Результаты (
английский) 3:
[копия]Скопировано!
1. elastic deformation is the reaction of the materials in the external force such as tensile, compression, torsion, bend and cut.2. fatigue and creep are the result of external forces.3. external forces cause permanent deformation and destruction of the material.4. tensile and сжимающие forces are operating at the same time, when we изгибаем material or roll. yeah.5. the tensile material above the limit of elasticity gives permanent deformation or destruction.6. when the working part for a long time under cyclical напряжениями, it appear small growing cracks due to metal fatigue.7. creep is the slow change in the size of the parts under stress.
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