摘要
在再热裂纹Gleeble试验的基础上,提出一种采用高温拉伸试验机对2.25Cr-1Mo-0.25V钢焊接材料进行再热裂纹敏感性测试的方法。采用该方法测得的断面收缩率(ROA值)大于Gleeble的试验结果。用其他低合金钢板作为试板时,若坡口面未堆焊2.25Cr-1Mo-0.25V过渡层,则依据该方法制作的试样杂质元素含量相对较高,试验得到的ROA值较低。
Based on Gleeble test procedure, an acceptable screening test for reheat cracking susceptibility of 2.25Cr - 1Mo -0.25V weld metal and flux was developed. The test machine is a simplified tensile ma- chine. The ROA value measured by this procedure is higher then by Gleeble test. If the welded couple is made by other low alloy steels, the bevel area have buttered with 2.25 Cr - 1 Mo - 0.25 V weld metal shall got higher ROA value then the one not buttered,and the content of impurities is higher then one not buttered.
出处
《压力容器》
2015年第10期1-7,共7页
Pressure Vessel Technology
基金
国家973计划课题(2015CB057603)
