针状马氏体 meaning in English
acicular martensite
needle type martensite
needle-type martensite
Examples
- The network carbide and acicular martensites that existed in the microstructure of the root grooves of the spline due to improper carburating and quenching process of the shafts , led to the initiation and propagation of the intergranular microcracks and were the main reason that caused the early fracture of the shafts
由于渗碳淬火工艺不当，在二轴花键槽根部的组织中产生了网状破化物和粗大的针状马氏体，在外力作用下形成沿晶显微裂纹并扩展，是导致二轴疲劳断裂的主要原因。