What Does Annealed Mean?
In Metallurgy and Materials Science, Annealing Is a Heat Treatment That Alters the Physical and Sometimes Chemical Properties of a Material to Increase Its...
In metallurgy and materials science, annealing is a heat treatment that alters the physical and sometimes chemical properties of a material to increase its ductility and reduce its hardness, making it more workable.
What is annealing and why is it done?
Annealing is a heat treatment process which alters the microstructure of a material to change its mechanical or electrical properties. Typically, in steels, annealing is used to reduce hardness, increase ductility and help eliminate internal stresses.
Why does metal need to be annealed?
Annealing restores their ductility and formability, which allows for further bending, punching, forming/stretching or cutting without cracking or losing dimensional stability. Cold-finished bar and metal wire often undergo annealing because the process of drawing them through a die causes stresses in their grains.
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