【摘要】 本文通过冲击与扭转试验,讨论了不同奥氏体化温度下GCr15钢低温回火脆性的规律性。结果表明:随淬火温度提高,低温回火脆性区向高温区漂移。810℃低温淬火,已无明显低温回火脆性区。更多还原

【Abstract】 In this paper the low-temperature temper brittleness of GCrl5 steel after austeniti-zing at different temperatures was studied by means of impact and twist tests. The results show with increasing quenching temperature the brittle temperature of the steel tempered at low temperature brittle temperature moves upwards. As quenched from 810℃, GCr15 steel has little low-temperature temper brittleness.更多还原