2.25Cr-1Mo-0.25V锻件再热裂纹敏感性试验研究  

Research on Reheat Cracking Susceptibility of 2.25Cr-1Mo-0.25V Forgings

作　　者：任明皓[1] 陈学东[1] 罗雪梅[1] 卜华全[1] 

机构地区：[1]合肥通用机械研究院,安徽合肥230031

出　　处：《石油化工设备》2016年第4期1-6,共6页Petro-Chemical Equipment

摘　　要：采用两种再热裂纹试验方法对厚度为280mm的2.25Cr-1Mo-0.25V锻件进行试验,均测得其再热裂纹敏感温度为690℃,在敏感温度下的插销临界断裂应力为220MPa,有一定的再热裂纹敏感性。试验结果表明,两种试验方法的结果十分接近,均可用于2.25Cr-1Mo-0.25V锻件的再热裂纹敏感性测试。The thickness being 280 mm of 2.25Cr-1Mo-0.25 Vforgings were studied by two methods of reheat cracking.The results show that the forgings have certain extent reheat cracking susceptibility when the reheat temperature is 690 ℃,and the critical fracture stress at the susceptibility temperature is 220 MPa by the implants tests.The results by two test methods are very similar,and both methods are suitable for the reheat cracking susceptibility tests of 2.25Cr-1Mo-0.25 Vforgings.

关 键 词：2.25CR-1MO-0.25V 加氢反应器 再热裂纹 插销试验 Gleeble试验 

分 类 号：TQ050.2[化学工程] TG406[金属学及工艺—焊接]