中国重型装备
中國重型裝備
중국중형장비
CHINA HEAVY EQUIPMENT
2015年
2期
40-42
,共3页
40Cr%圆钢%纵裂%失效分析
40Cr%圓鋼%縱裂%失效分析
40Cr%원강%종렬%실효분석
40Cr%round steel%longitudinal cracks%failure analysis
一批40Cr圆钢在调质热处理后出现纵向裂纹，通过金相宏观、微观分析等手段，找出了纵向裂纹的形成原因，并提出了一些措施防止产生纵向裂纹。
一批40Cr圓鋼在調質熱處理後齣現縱嚮裂紋，通過金相宏觀、微觀分析等手段，找齣瞭縱嚮裂紋的形成原因，併提齣瞭一些措施防止產生縱嚮裂紋。
일비40Cr원강재조질열처리후출현종향렬문，통과금상굉관、미관분석등수단，조출료종향렬문적형성원인，병제출료일사조시방지산생종향렬문。
Longitudinal cracks have been occurred to a batch of 40Cr round steel after tempering and quenching heat treatment.Formation cause of longitudinal cracks has been found out by adopting macro and micro metallographic analyses and further mesures have been put forward to prevent from longitudinal cracks.
