The stress accumulated in the metal can be relieved through heat treatment. In a word, stress is relieved by heating. However, it is a recovery to the previous state. The stress is relieved, but the structure is already deformed. But what if you do more heating in this state? New things happen. Re-crystallization! A crystal structure, which can be said to be the basic unit constituting the metal..
In mechanical engineering, resistance to external forces is stress. The stress that is 'stacked' inside the material is called the residual stress. We often say "Oh! It's stressful." It's a very engineering expression to say. Eventually, the accumulated stress will exceed the level that can be sustained, and the material will break off. There is no way to avoid the accumulation of stress. It is ..
All materials have their own areas of resistance. The strength at which the material breaks is called the breaking strength. And yield strength is the strength at which material destruction begins. Deformation due to loads less than the yield strength can be recovered. This ability to recover is called 'elasticity'. The best elastic material is rubber. It has good recovery ability. The material ..
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