逆焊接温差压应力层防护处理解决应力腐蚀开裂新技术  

NEW TECHNOLOGY OF PROTECTION SCC BY COMPRESSIVE RESIDUAL STRESS LAYER CAUSED BY DIFFRENTIAL TEMPERATURE OF ANTI WELDING

作　　者：陈怀宁[1] 林泉洪[1] 陈亮山[1] 许适群[2] 

机构地区：[1]中国科学院金属研究所,沈阳110015 [2]中国石化集团公司技术开发中心,北京100029

出　　处：《石油化工设备技术》1999年第5期49-51,共3页Petrochemical Equipment Technology

摘　　要：介绍了采用逆焊接温差处理原理，形成压缩残余应力层，防止应力腐蚀开裂的新技术。试验和工程应用结果证明，A new technology for protecting SCC by compressive residual stress layer caused by differental temperature of anti welding is introdued.The results of testing and engineering application prove that this technology is the effective way to prevent SCC of petrochemical equipment.

关 键 词：应力腐蚀开裂 逆焊接 温差 压应力防护 石化设备 

分 类 号：TQ050.9[化学工程] TE980.5[石油与天然气工程—石油机械设备]