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By the end of this chapter, students will be able to...
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Describe the forming operations which are used to shape metals and alloys. |
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Describe what is occurring on an atomic level as a material is elastically deformed. |
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Distinguish between engineering stress and true stress. |
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Compute the elastic modulus from a stress-strain diagram. |
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Distinguish which metal is stronger if the stress-strain diagram is given. |
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Define Poisson’s ratio, and describe the typical value range of Poisson’s ratio for metals. |
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Explain why engineering stress is decreased with increasing the engineering strain past the tensile strength point as it relates to a given stress-strain diagram. |
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Cite two differences between deformation by twinning and deformation by slip. |
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Name the three most common used hardness testing techniques. |
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Note the difference between hardness and microhardness testing. |