weld crater meaning in English
焊口
熔池
Examples
- Cracking failure of centrifugal compressor ' s impellers was analyzed , the welding craters in the impellers led to stress concentration . the unsteady gas flow accelerated the development of cracks in the impeller
摘要针对某石化公司离心压缩机叶轮多次发生开裂、掉块等故障以及裂纹形成机理进行了分析。分析结果表明了叶轮开裂原因系疲劳开裂，叶轮焊接缺陷产生了焊接弧坑，造成表面应力集中，气流激振加速了裂纹扩展。