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Ductility - Wikipedia, the free encyclopedia (352 words) |
 | Ductility is the physical property of being capable of sustaining large plastic deformations without fracture (in metals, such as being drawn into a wire). |
| A ductile material is any material that yields under shear stress (as opposed to brittle fracture, which yields under normal stress). |
| In glacial ice this zone is at approximately 30 metres depth. |
| News Item: Pure Copper Six Times Stronger than Normal, with No Loss in Ductility (421 words) |
| The reduction in grain size is responsible for the increase in strength, with an increasing number of grain boundaries hindering the movement of dislocations. |
| Ductility was introduced into the material by inducing abnormal or non-uniform grain growth, which resulted in approximately 20-25% of the grains growing to a larger size, producing a bimodal grain size distribution. |
| The combination of very small and large grains gives the material its strength and ductility properties, which is important in the forming and processing of high strength copper components. |
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