annealing

• 一种热处理工艺，通过加热材料（通常是金属或玻璃）到一定温度，然后缓慢冷却，以降低硬度、增加塑性并消除内应力。

A technical process involving heating and then slowly cooling a material, typically metal or glass, to reduce hardness and increase ductility.

不可数

1. Heat treatment processC1formaltechnical

   A process of heating and then slowly cooling a material, typically metal or glass, to reduce hardness, relieve internal stresses, and improve ductility.

   退火

   • Annealing is essential for making metal easier to shape.
   • The glass was strengthened through a careful annealing process.
   • Engineers use annealing to relieve stress in welded joints.

• 指将材料（通常是金属或玻璃）加热到一定温度后缓慢冷却，以消除内部应力、降低脆性的热处理工艺。

A verb used to describe the process of heating and then slowly cooling a material, typically metal or glass, to remove internal stresses and make it less brittle.

1. Heat treatment processC1formaltechnical

   To heat and then slowly cool metal, glass, or other materials to remove internal stresses and make them less brittle.

   退火

   • The blacksmith annealed the steel to make it easier to shape.
   • Glass must be annealed slowly to prevent it from cracking.
   • The factory anneals copper wire to improve its flexibility.