The observation by TEM showed that the formation of martensite in austempering process is preferentially completed through the coherent growth to prior martensite plate.
通过TEM观察表明，等温马氏体形成时，将优先以原马氏体片共格长大的方式进行。
The results show that martensite at transition area and the thermal stress in the joint of different material will cause crack in clad steel plate during welding.
结果表明，过渡区马氏体组织的生成，异种钢接头的热应力是产生焊接裂纹的主要原因。
The presence of a certain amount of retained austenite improves the resistance to contact fatigue failure. The lath martensite has better resistance than the plate twin martensite.
金相组织对钢的接触疲劳寿命有重要作用：板条马氏体组织比片状马氏体组织抗接触疲劳性能好，适量的残余奥氏体可改善钢的抗接触疲劳性能。
When plate martensite is taken as original structure, the slow heating can make gram bainite inherit structure feature of original structure.
以板条马氏体为原始组织，慢速加热可使粒状贝氏体继承原组织特征。
When plate martensite is taken as original structure, the slow heating can make gram bainite inherit structure feature of original structure.
以板条马氏体为原始组织，慢速加热可使粒状贝氏体继承原组织特征。
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