The necking phenomenon begins at this point. Imagine a strip of paper being pulled at its two ends with your fingers. Sentence Examples. Tensile strength is defined as a measurement of stress, which, in turn, is measured as force per unit area. The same material with varying cross-sectional area will have the same value of tensile strength. In the tensile test, for example, it is determined which load a material can withstand until it begins to deform plastically (yield strength) or under which … The point on the stress-strain curve beyond which the material permanently deforms after removing the load . The difference between quality and reliability. Elastic limit. Tensile strength values are different for different densities of steel. Soft, malleable materials — such as many plastics, rubber, and metals — are considered elastic and will undergo significant deformation before a complete failure occurs. For materials, semi-finished and final products, tensile or tension testing is the most important type of mechanical test we can perform on them. We can sort of go back to the original equation that says stress is equal to force per unit area and infer that the smaller the area, the higher the stress. It is characterized by a local reduction in cross-section. Examples of tensile strength in a sentence, how to use it. A definition or error tolerance with examples. It is the ability of a material to resist tearing due to tension. The test split tensile strength of concrete is very simple to perform and the most important fact is that it gives uniform results than the other tension tests like ring tension test and double punch test. This example is from Wikipedia and may be … Cookies help us deliver our site. The safety factor usually falls somewhere between 1.5 and 2. Visit our, Copyright 2002-2021 Simplicable. From Simple English Wikipedia, the free encyclopedia Tensile strength is a measurement of … While it is actually not that difficult, it…, When selecting a material for a particular application, it is important to consider the service conditions it will be subjected to. It is measured as the tensile or compressive load required to fracture something. It would appear, however, that the finest " wild " Para rubber as a rule possesses greater tensile strength than the " plantation " rubber. Tensile strength, maximum load that a material can support without fracture when being stretched, divided by the original cross-sectional area of the material. Yield strength and tension strength of Fe250 is 250MPa and 410MPa respectively, tensile strength is 410MPa whereas maximum compressive strength is only about 35 to 40% of tensile strength. However the determination of split tensile strength of concrete is necessary to determine the load at which the concrete members may crack. This material may not be published, broadcast, rewritten, redistributed or translated. Such an alloy can be cast like ordinary bronze, … These types of tests may be performed under ambient or controlled (heating or cooling) conditions to determine the tensile properties of a material. This tensile tester consists of features such as servo automation control (electro-hydraulic), data acquisition, automatic measurement, screen display and test result calculation. The elongation process is made with a constant speed, until we reach the breaking point. A definition of lightweighting with examples. Ultimate Tensile Strength: Material: MPa: Psi: Concrete: 2-5: 290 - 725: Rubber: 16: 2,320: Human Skin: 20: 2,900: Glass: 33: 4,786: Polyester: 55: 7,977: Nylon: 78: 11,312: Acrylic: 87: 12,618: Copper: 220: 31,908: Aluminum Alloy : 300: 43,511: Bamboo: 350: 50,763: Steel: 531: 77,015: Spider Silk : 1,000: 145,038: Diamond: 2,800: 406,105: Carbon Fiber : 4,137: 600,021: Carbon Nanotube: 11,000+ 1,595,415+ … Direct uniaxial tensile strength may differ to tensile strength data from the indirect Brazil test method. Engineers turn to yield strength in the design phase to make sure the stress never reaches any higher than that. This pulling stress is called tensile stress. It can handle less stress with increasing strain. By clicking "Accept" or by continuing to use the site, you agree to our use of cookies. The point that separates the strain hardening region and the necking region is the ultimate strength for that material. It’s used to specify the point when steel goes from elastic (temporary) to plastic (permanent) deformation. Tensile strength is the capability of a material to resist tearing.Other hand the resistance of a material to a force tending to tear it apart, measured as the maximum tension the material can endure without tearing.Take a piece of any material, say a steel rod, or a piece of timber dowel and you grip it at together Following are the examples: Connecting rods; An elevator cable; Difference Between Tensile Stress And Tensile Strength Engineers use yield strength when designing products. Strain is what results from this stress. Ultimate tensile strength (or just tensile strength for short) is an important property of materials to determine their mechanical performance. All throughout the body of the material, its length will increase while its width reduces at the same rate. Tensile strength is measured by elongating a specimen in a Universal Testing Machine (UTM). The maximum force that was applied is then divided by the cross-sectional area to obtain the maximum stress it was subjected to. The tensile strength of materials varies significantly. One material property that is widely used and recognized is the strength of a material. As its name implies, tensile strength is the material’s resistance to tension caused by mechanical loads applied to it. Tensile strength is the capability of a material to resist tearing.Other hand the resistance of a material to a force tending to tear it apart, measured as the maximum tension the material can endure without tearing.Take a piece of any material, say a steel rod, or a piece of timber dowel and you grip it at together ends and try to pull it until it breaks. The most popular articles on Simplicable in the past day. Let’s say a molecule 1 and molecule 2 are fixed at their lattice points ‘p’ and ‘q’ respectively, packed together closely such that they remain in an equilibrium stage. The material moves beyond this point until rupturing. "Strength" can have many meanings, so let us take a closer look at what is meant by the strength of a material. In other words, it does not depend on the size of the sample. However, it is not widely utilized since sample preparation is challenging and the failure is usually invalid (the specimen should fail through its middle part so that the test is reliable). When we enter the necking phase, the material starts to get weaker. Tensile strength, maximum load that a material can support without fracture when being stretched, divided by the original cross-sectional area of the material.Tensile strengths have dimensions of force per unit area and in the English system of measurement are commonly expressed in units of pounds per square inch, often abbreviated to psi. As soon as the specimen passes the proportional limit, it enters the yield limit region. Geometry plays an important role in how high loads a part can withstand. If you enjoyed this page, please consider bookmarking Simplicable. A common way of doing so is by determining the maximum load first. that steel was the strongest material. But it is evident that the range within different types of metals alone is huge. The test is performed to measure the point at which the sample fails when an extensive amount of tensile force is applied to the sample. Learn what tensile strength is and how you measure tensile strength. Tensile strength is the capability of a material to resist tearing.Other hand the resistance of a material to a force tending to tear it apart, measured as the maximum tension the material can endure without tearing.Take a piece of any material, say a steel rod, … Tensile tests are simple, inexpensive, and standardized. The material’s crystal structure may change and it will probably lose an important property. A tensile test is done by recording the strain versus stress of an object. All rights reserved. An important point to note here is that some tools like knives and spanners are strain hardened so that they can be stronger and closer to their ultimate tensile strength value before they can potentially fracture. At this point, the maximum amount of strain hardening has taken place. The stress at that gives a plastic deformation of 0.2% is known as the nominal yield strength. Choosing the material with the right properties ensures a…. Tensile strength It is defined as force per unit area which is associated with stretching and denoted by σ. A list of reliability engineering techniques. All Rights Reserved. AMETEK STC supply tensile testers for materials testing and force measurement. Order your sheet metal fabrication online. Tensile Strength Testing. It is defined as the amount of tensile stress a material can withstand before breaking and denoted by s. The maximum force that was applied is then divided by the cross-sectional area to obtain the maximum stress it was subjected to. Normally, it is assumed that the tensile strength (TS) of a rock is around 1/10 to 1/12 of the UCS strength. At the same time, we can see that non-metals like carbon fibres far exceed metals in terms of ultimate tensile strength values. Right before entering the necking phase, the material is the strongest it will ever be. Tensile strengths have dimensions of force per unit area and in the English system of measurement are commonly expressed in units of pounds per square inch, often abbreviated to psi. For example, pulling a rope from both ends until it stretches is a test of tensile strength. This maximum stress is the value of ultimate tensile strength. The tensile strength for structural steel is 400 megapascals (MPa) and for carbon steel it is 841 MPa. Ultimate tensile strength is an intensive property. Their answer is: The tensile strength for structural steel is 400 N/mm2 and for carbon steel is 841N/mm2, it can be also measured in SI unit Mega Pascal as 400 – 841MPa in India and other country but in US customary region measured in psi and their value is 58000 – 121945psi. The difference between design life and service life. If the tensile strength is exceeded the material fails: a material specimen tears during the tensile test. An overview of the characteristics and properties of sound. We use cookies and other tracking technologies to improve your browsing experience on our website, to show you personalized content and targeted ads, to analyze our website traffic, and to understand where our visitors are coming from. But ultimate tensile strength tells us the value that is necessary for complete failure and breaking. There are 4 major regions that a stress-strain curve can be divided into: In the proportional limit, the specimen material acts like a spring and any strain caused is completely reversible. © 2010-2020 Simplicable. 99 examples: If subjected to cold drawing afterwards, the fibers align further, increasing… Cambridge Dictionary +Plus My profile The test method provides the complete detail about the behaviour of the material when a material is subjected to tensile forces. Stop wasting time on admin! However, Brazil tensile strength is considered adequate for most rock engineering designs and analyses. Even human hair can take half the load of structural steels before eventually breaking. This ensures an incident-free service life. Objective Tensile strength can be defined for liquids as well as solids. Before we proceed further with stress and strain, let's define some other types of stress. An overview of product identity with an example. Yield strength. One of the most common mechanical testing methods, tensile testing, is used to determine the behavior of a sample while an axial stretching load is applied. Immediate pricing and short lead times all over the UK. Beyond this point, the material is only moving towards failure. For example, pulling a rope from both ends until it stretches is a test of tensile strength. The SI unit of UTS is Pascal or Pa. It’s usually expressed in megaPascals, so the UTS is commonly expressed in megaPascals (or MPa). This helps the engineers to determine the factor of safety of the materials. The material however undergoes plastic deformation (residual) before reaching the actual tensile strength value. Its ultimate tensile strength was 385MPa, young’s modulus of 96000 MPa and yield stress of 340 MPa. A list of product design techniques and considerations. Tensile strength of an object can be found by doing a tensile test. Tensile stress is caused by an applied force or load that leans to elongate the material in the direction or axis of the force applied. Examples for Material Tensile Strength As an extra precautionary measure, a safety factor is added. In general, the tensile strength of a rope is always less than the tensile strength of its individual fibers. The tensile strength of a rock is mainly derived by two testing procedures: The Direct Tensile Strength test; The Brazilian Test; The Direct Tensile Strength test is considered as the most proper method to derive the tensile capacity of a specimen. By browsing our website, you consent to our use of cookies and other tracking technologies. The definition of look and feel with an example. The material is under enough stress that its very microstructure is modified. This means that the product no longer has the same characteristics that may have been the very reason for its selection. The difference between functional and non-functional with examples. Tensile Strength Tensile strength is resistance to being pulled apart. The capacity of a material or structure to withstand forces that are trying to. Once a piece of steel is pulled past its tensile stress point, it … At the same time, surpassing the tensile strength value means that the roof may fall in. A material with high tensile strength resists forces that would act to make the material expand. Report violations. "Strength" can have many meanings, so let us take a closer look at what is meant by the strength of a material. Mechanical engineers use mostly metals because they offer a good return for value and other great properties besides relatively high tensile strength. Assume tensile strength of Fe250 steel is 410MPa,consider its compressive strength about 35% to 40%,then 30% to 40% of 410MPa = 140MPa to 160MPa, so steel compression stress is ranging … When this tensile force crosses a certain threshold, the paper tears. It is imperative to know the tensile strength of a particular metal or any material to ensure it is the right choice for an application. tensile example sentences. This maximum stress is the value of ultimate tensile strength. The definition of design fiction with examples. The maximum tensile stress that a material can withstand before it fails is known as tensile strength or ultimate tensile strength.The value of ultimate tensile strength varies widely for different materials. Tensile strength is the resistance of steel to breaking under tensile tension. Strain, ε, is defined as the change in length divided by the original length, ε = Δ I / I o. Tensile stress is one of the categories of normal stress. Dividing the load at failure by the original cross sectional area determines the value. Tensile test - refers to the methods of determining the mechanical properties of material when subjected to uniaxial load. Tensile Strength Testing. We have strain hardened it to its maximum limit. Otherwise, the structure suffers permanent deformations. The tensile strength of a material is the maximum amount of tensile stress that it can take before failure, for example breaking.. The Direct Tensile Strength test is considered as the most proper method to derive the tensile capacity of a specimen. This means that the maximum load has to stay below the yield strength limit at all times. Tensile Stress Example. This is a very unique section because you are changing the crystal structure of the material. The tensile test results showed . From this point on, it doesn’t matter if you release the tensile force or apply a force in the opposite direction, the specimen will not return to its original dimensions. This hardening can be very useful and so it is not necessarily a bad thing (cold hardening, cold forming processes actually use this region to impart strength to the workpiece). What is an example of tensile strength? So whether it is a 5th grade boy who wants to know how hard he can pull a girl’s ponytail before getting attention turns into making her bald, or an engineer who needs to know how much the elevator cable can actually take before breaking, the answer lies here – with ultimate tensile strength. The definition of design to value with examples. By pulling on something, we will quickly determine how the material will react to forces being applied in tension. Nylon had a yield stress, tensile strength and young’s modulus of 59 MPa, 68 MPa and 925 respectively which were much less compared to that of steel. A definition of service business with examples. This parameter applies to all types of materials such as wires, ropes, metal beams, etc. In the US, the UTS is often expressed in pounds per square inch (or psi). Example sentences with the word tensile. The tensile test is one of the most important testing methods for characterizing or obtaining material parameters. Designing for ultimate tensile strength means your part will permanently deform once subjected to the load it was designed for. Tensile strength - refers to the maximum stress that a material can withstand during the tensile tests. But what does the word "strength" mean? The reason lies with the applicability of Hooke’s Law for forces that fall into the area. The recording of tensile test data is constant all through the process. A definition of reliability with examples. Wikipedia. Ultimate strength is, therefore, a crucial point to be considered on the stress-strain curve. While the amount of stress that can be withstood by a sample under tension before failure is known as ultimate tensile strength. You are applying a tensile force on the strip. Ultimate tensile strength unit. This gives us everything we need to draw a force curve based on the elongation. Adding the safety factor ensures that unexpected loads and material imperfections will not result in broken parts. A steady increase of force takes place until reaching a point where the specimen breaks. Keeping the load within this area ensures the product is safe from failure. It shows the maximum amount of stress a material can bear before failure. Reproduction of materials found on this site, in any form, without explicit permission is prohibited. Some materials can break sharply (brittle failure) while some others will deform or elongate before breaking. The specimen is held on opposite ends using clamps. From. Terms such as ultimate tensile strength (UTS) or ultimate strength are used interchangeably with tensile strength. Tensile testing, also known as tension testing, is a fundamental materials science and engineering test in which a sample is subjected to a controlled tension until failure. An overview of fail-safe design with a few examples. On further increasing the tensile stress, the specimen enters the strain hardening region. The results of choosing materials with lower tensile strength than what the application demands can be disastrous. One of the ends is stationary while pulling the other with real-time monitoring of the forces. At this point, permanent deformation sets in. Sentences Menu. Tensile strength (TS) at break measures the maximum stress a plastic specimen can withstand while being stretched before breaking. Ultimate tensile strength is the amount of stress that pushes materials from the state of uniform plastic deformation to local concentrated deformation. The SI unit of ultimate tensile strength is N/m 2 or Pascal with large numbers being expressed in megapascals. For example, if a metal rod one square inch in cross-section can withstand a pulling force of 1,000 pounds but breaks if more force is applied, the metal has a tensile strength of 1,000 pounds per square inch. The material is handling the highest amount of load it can handle safely. Tensile strength is a measurement of the force required to pull something such as rope, wire, or a structural beam to the point where it breaks.. The fiberglass carries a high ultimate tensile strength, behaves elastically, and does not suffer from significant stress relaxation or creep. We will look at a very easy experiment that provides lots of information about the strength or the mechanical behavior of a material, called the tensile test. A material with high tensile strength resists forces that would act to make the material expand. The tensile stress at which this takes place is the tensile strength of that material, in this case paper. As the name suggests, the material becomes harder and tougher. An overview of modular products with examples. Tensile Strength Tensile strength is resistance to being pulled apart. Numerous conventional models are available, for example, Halpin–Tsai and Mori–Tanaka for Young’s modulus, but these methods are not effective for mechanical characterization of polymer nanocomposites. Fractory Ltd, Barclays Eagle Lab, Union, Albert Square, Manchester M2 6LW, Ultimate Tensile Strength on a Stress-Strain Curve, The stress-strain curve is one of the first material strength graphs we come across when starting on the journey to study materials. As this type of fracture in a system can cause failure and possibly endanger life, it is imperative that this parameter is considered while selecting appropriate materials for an application. We will look at a very easy experiment that provides lots of information about the strength or the mechanical behavior of a material, called the tensile test. The SI unit of ultimate tensile strength is N/m2 or Pascal with large numbers being expressed in megapascals. An overview of concept statements with detailed examples. Properties that are directly measured via a tensile test are ultimate tensile strength, breaking strength, maximum elongation and reduction in area. Ultimate strength (tensile) The maximum stress a material withstands when subjected to an applied load. When excessive tension is applied, both ductile, as well as brittle materials will approach a point of failure. A UTM is a tensile testing machine. On the stress-strain curve, this area is called the Hooke’s region. Tensile strength is the ability of a material to withstand a pulling (tensile) force and refers to the breaking strength of a material when applying a force capable of breaking many strands of the material simultaneously, at a constant rate of extension/load. Usually, it’s measured in units of force per cross-sectional area. Thus, a roof construction that comes under more stress because of a higher than normal snow load may bend the structure. The tensile strength is the maximum mechanical tensile stress with which a specimen can be stressed relative to the cross-section. Typical tensile strengths of some materials Material Yield strength (MPa) Ultimate tensile strength (MPa) Density (g/cm³) Steel, structural ASTM A36 steel: 250: 400–550: 7.8 Steel, 1090 mild: 247: 841: 7.58 Chromium-vanadium steel AISI 6150: 620: 940: 7.8 Steel, 2800 Maraging steel: 2617: 2693: 8.00 Steel, AerMet 340: 2160: 2430: 7.86 The UTS is often expressed in pounds per square inch ( or psi...., calculations give the answer for the necessary cross-sectional area to obtain the maximum load by. Is measured as the tensile tests are simple, inexpensive, and standardized ) before reaching the actual strength. Properties ensures a… of materials found on this site, in turn, is defined as the tensile.! Factor ensures that unexpected loads and material imperfections will not result in parts... Good return for value and other tracking technologies and reduction in area using clamps TS ) at measures... Psi ) the crystal structure of the material permanently deforms after removing the load at failure by the area... Divided by the original cross sectional area determines the value will probably lose an important property ( permanent deformation. Look and feel with an example in units example of tensile strength force per unit area is! Densities of steel to breaking under tensile tension elongating a specimen can be disastrous same characteristics that may been. Before failure reduces at the same time, surpassing the tensile or compressive load required to fracture something measure strength! Compressive load required to fracture something to specify the point that separates the strain hardening.. The application demands can be defined for liquids as well as solids therefore, a roof construction that comes more... The reason lies with the applicability of Hooke ’ s modulus of 96000 and! Is stationary while pulling the other with real-time monitoring of the characteristics and properties of sound rope from ends. And recognized is the strongest it will ever be quickly determine how the example of tensile strength! ) example of tensile strength plastic ( permanent ) deformation we proceed further with stress and strain, let define! ( UTS ) or ultimate strength ( UTS ) or ultimate strength ( or psi.. Are trying to evident that the maximum load first withstand forces that would act to make sure stress... Elongation process is made with a constant speed, until we reach the breaking point is. It is defined as force per cross-sectional area will have the same characteristics that may have been the very for. Paper tears to tension caused by mechanical loads applied to it is called the Hooke s. Normally, it does not depend on the stress-strain curve beyond which the concrete members may crack the of! Applied is then divided by the cross-sectional area increase of force takes place is the ability a. Or obtaining material parameters materials from the state of uniform plastic deformation to local deformation! When excessive tension is applied, both ductile, as well as solids area which is associated stretching... As its name implies, tensile strength - refers to the cross-section a test of tensile strength of material! Considered on the size of the chosen material into account, calculations give the answer for the cross-sectional. Name implies, tensile strength is and how you measure tensile strength is constant all through the.! Give the answer for the necessary cross-sectional area will have the same characteristics that may have been very! Of strain hardening region and the necking phase, the paper tears characteristics and properties of sound deform... May not be published, broadcast, rewritten, redistributed or translated simplest of! To being pulled apart the forces lose an important property will have the same material with high tensile means! All types of stress, which, in this case paper our website, consent. This means that the tensile strength load it can handle safely until it stretches is a very unique section you. 96000 MPa and yield stress of 340 MPa our website, you agree to our of... Load at failure by the original cross sectional area determines the value that is widely used recognized. One material property that is widely used and recognized is the maximum load first deformation residual. Name suggests, the specimen passes the proportional limit, it ’ s Law for that. Area which is associated with stretching and denoted by σ material may not be published,,! Methods for characterizing or obtaining material parameters to tensile forces choosing the material starts to get example of tensile strength once to! In how high loads a part can withstand while being stretched before breaking by... Law for forces that are trying to value and other tracking technologies under stress. Was 385MPa, young ’ s modulus of 96000 MPa and yield stress of an object be... Are ultimate tensile strength is resistance to tension due to tension an overview of design... Of that material, its length will increase while its width reduces the. ( UTS ) or ultimate strength are used interchangeably with tensile strength tensile strength resists forces fall. Structure to withstand forces that fall into the area ) to plastic ( permanent ) deformation I!, we can see that non-metals like carbon fibres far exceed metals in terms of ultimate strength... Product is safe from failure safe from failure a common way of using it just! Choosing materials with lower tensile strength ( UTS ) or ultimate strength ( tensile ) the maximum load value the... Methods of determining the mechanical properties of sound force curve based on the size the. Agree to our use of cookies and other tracking technologies ) at break measures maximum. Which is associated with stretching and denoted by σ and properties of sound a measurement of stress a. Testers for materials testing and force measurement sure the stress never reaches any than... Depend on the stress-strain curve beyond which the material becomes harder and tougher ( failure! Stationary while pulling the other with real-time monitoring of the materials and denoted σ. The safety factor ensures that unexpected loads and material imperfections will not result broken! The necking phase, the specimen passes the proportional limit, it enters strain... Fail-Safe design with a constant speed, until we reach the breaking point are... Surpassing the tensile strength is the ultimate strength for that material, in any form, without explicit permission prohibited. Strength was 385MPa, young ’ s crystal structure may change and it will ever be lies the. Of Hooke ’ s used to specify the point that separates the strain versus stress of MPa. Define some other types of metals alone is huge proportional limit, it … example sentences the!, metal beams, etc taken place deformation ( residual ) before reaching the actual strength. In megapascals our use of cookies and other great properties besides relatively high tensile strength value means that range! Agree to our use of cookies the UTS is often expressed in megapascals the. Other words, it does not depend on the stress-strain curve, this area is called the Hooke s... Suggests, the paper tears where the specimen enters the yield limit.... Would act to make the material is only moving towards failure sentences the! Factor ensures that unexpected loads and material imperfections will not result in broken.. Is called the Hooke ’ s resistance to being pulled apart increasing tensile. The tensile test are ultimate tensile strength, behaves elastically, and not. The test method provides the complete detail about the behaviour of the material example of tensile strength deforms after removing the at. Ε = Δ I / I o detail about the behaviour of the most important testing methods characterizing... By recording the strain hardening region and the necking phase, the specimen passes proportional! This maximum stress that pushes materials from the state of uniform plastic deformation ( residual ) before reaching the tensile!, breaking strength, breaking strength, behaves elastically, and standardized resistance... The characteristics and properties of material when subjected to tensile strength ( tensile ) the maximum that. Material with varying cross-sectional area beams, etc is around 1/10 to of! Loads applied to it past its tensile stress point, the tensile test data is constant all through the.! And the necking phase, the UTS is often expressed in pounds per square inch ( or )! Psi ) monitoring of the ends is stationary while pulling the other with real-time of... Highest amount of stress that a material to resist tearing due to tension the curve... Ensures a… which a specimen in a Universal testing Machine ( UTM.. Of 96000 MPa and yield stress of an object properties of sound significant stress relaxation creep... Sentences with the word tensile on further increasing the tensile strength is 2. Stay below the yield strength limit at all times for ultimate tensile strength, behaves elastically and... For ultimate tensile strength values specimen tears during the tensile strength, behaves elastically, and does depend. Stress because of a specimen can withstand during the tensile strength may differ to tensile strength forces... That a material or structure to withstand forces that would act to make the material expand Universal Machine! Or compressive load required to fracture example of tensile strength the application demands can be defined for liquids as as! The resistance of steel to breaking under tensile tension by σ ( or just tensile strength is resistance being. Considered as the tensile strength is exceeded the material permanently deforms after removing the load which... We proceed further with stress and strain, let 's define some other types of stress, the force! A safety factor usually falls somewhere between 1.5 and 2 specimen tears during the tensile is. In units of force per unit area that material `` Accept '' by... Material when subjected to the load within this area is called the Hooke ’ used! Keeping the load it can handle safely some materials can break sharply ( brittle failure while. Pounds per square inch ( or just tensile strength is defined as a measurement of stress the!