Bearing parts in the process of hardening cooling by internal stress due to the formation of quenching cracks crack said.
轴承零件在淬火冷却过程中因内应力所形成的裂纹称淬火裂纹。
2
Heat treatment methods, such as solid solution and quenching, have greatly enhanced its mechanical strength, which also leave a large internal residual stress in it.
固溶、淬火等热处理手段极大地提高了其机械强度,但同时使其内部产生了较大的残余应力。
3
Vacuum Gas - quenching is an important means to improve the external and internal quality of circular mould.