弧坑裂紋 的英文怎麼說
中文拼音 [húkēnglièwén]
弧坑裂紋
英文
crater crack-
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
摘要針對某石化公司離心壓縮機葉輪多次發生開裂、掉塊等故障以及裂紋形成機理進行了分析。分析結果表明了葉輪開裂原因系疲勞開裂,葉輪焊接缺陷產生了焊接弧坑,造成表面應力集中,氣流激振加速了裂紋擴展。External defects : undercut, overip, arc pit, gas cavity in surface, crack in surface
外部缺陷:咬邊、焊瘤、弧坑、表面氣孔、表面裂紋。
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