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研究了热处理参数,如奥氏体化时间与温度、回火时间与温度对力学性能的影响。通过SEM和TEM研究了不同热处理条件下产生的显微组织与力学性能之间的关系。当回火温度为700℃,回火时间为0.3~0.4h
The effects of heat treatment parameters such as austenitizing time and temperature, tempering time and temperature on the mechanical properties were studied. The relationship between microstructure and mechanical properties under different heat treatment conditions was studied by SEM and TEM. When the tempering temperature is 700 ℃, the tempering time is 0.3 ~ 0.4h