Term
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Definition
| force per unit area applied to a material |
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Term
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Definition
| movement (change in shape) of a material due to applied stress |
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Term
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Definition
1) Elastic Strain
2) Plastic Strain |
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Term
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Definition
| change in shape that occurs due to an applied stress and disappears when the stress is removed |
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Term
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Definition
| permanent change in shape that occurs in a material due to an applied stress |
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Term
| Elastic strain occurs due to... |
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Definition
| ... stretching of atomic bonds |
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Term
| Plastic strain occurs by... |
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Definition
| ... dislocation motion in metal alloys |
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Term
| Dislocations can only move in... |
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Definition
| ... specific directions within a metals crystal structure |
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Term
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Definition
| directions in which dislocations move |
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Term
| FCC (number of slip planes and direction) |
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Definition
| 4 slip planes in 4 directions |
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Term
| BCC (slip planes and direction) |
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Definition
| 2 slip planes at 90* to each other |
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Term
| HCP (slip planes and direction) |
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Definition
| 2 slip planes that are parallel to each other |
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Term
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Definition
| properties vary with direction within a metal |
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Term
| The crystalline nature of metals causes... |
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Definition
| ... their properties to be anisotropic |
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