综述了奥氏体等温转变铸铁的最新研究成果。
Recent researches on austempered cast irons have been reviewed.
还探讨了合金元素对等温转变过程中残留奥氏体量的影响规律。
The affecting rule of alloy elements on the amounts of retained austenite in austempering transformation was also studied.
奥氏体化温度和时间影响等温转变产物中残余奥氏体的稳定性；
The stability of retained-austenite is affected by austenize temperature and time.
采用扫描电镜、透射电镜、X射线衍射仪等对贝氏体等温转变后TRIP钢中的残余奥氏体及其稳定性进行了研究。
The retained austenite and its stability of transformation induced plasticity (TRIP) steel after isothermal bainitic transformation were investigated using SEM, TEM and XRD.
碳氮化物析出相有弥散析出、相间析出、纤维状析出及等温转变温度较低时，碳氮化物在铁素体晶内沿位错处弥散析出等形态。
It has been found that interphase precipitation, fibrous precipitation, precipitation on dislocation, precipitation from supersaturated ferrite at lower isothermal transformed temperature.
碳氮化物析出相有弥散析出、相间析出、纤维状析出及等温转变温度较低时，碳氮化物在铁素体晶内沿位错处弥散析出等形态。
It has been found that interphase precipitation, fibrous precipitation, precipitation on dislocation, precipitation from supersaturated ferrite at lower isothermal transformed temperature.
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