Cryogenic treatment attracts much attention and obtains practical application in wide fields,since it helps to improve the mechanical performance of some metal or nonmetal materials,such as strength,hardness,abradability and dimension stability.

• 深冷处理对于一些金属材料乃至非金属材料的强度、硬度、耐磨性和尺寸稳定性等机械性能的提高能够起到积极作用,因而广受关注并获实际应用。