Work hardeningexamples

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Work hardeningvs strainhardening

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Work hardening, also known as strain hardening or cold working, is a process in metallurgy where a metal undergoes plastic deformation at temperatures below its recrystallization point. This plastic deformation leads to an increase in the hardness and strength of the metal. The key characteristic of work hardening is that it occurs through the application of mechanical stress or strain. Dislocation Density Increase: Cold working increases the density of dislocations within the metal structure. This increased density makes it more difficult for dislocations to move through the crystal lattice, leading to enhanced strength. Grain Boundaries: The movement of dislocations is impeded by grain boundaries. As dislocation density increases, the chances of dislocations encountering grain boundaries also rise, contributing to the hardening effect.Read less

Strainhardening

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