论文部分内容阅读
在波形膨胀节环焊缝接头裂纹处直接取样，进行金相、电镜等检验，结合焊接接头处工作状态的应力分析，结果表明这是一种应力腐蚀裂纹．
At the crack joint of the corrugated ring joint, the samples were directly sampled and examined by metallography and electron microscopy. The stress analysis of working condition at the welded joints showed that this was a stress corrosion cracking.