摘要
通过宏观形貌观察、低倍组织、金相检验等,分析得出45钢齿轮开裂的原因是材料组织缺陷和加热工艺不合理。
By adopting means of macro appearance observation,macro structure and metallurgical test,fraction cause of 45 steel gear has been analyzed,which was structural defect of material and unreasonable heating process.
出处
《中国重型装备》
2013年第4期43-46,50,共5页
CHINA HEAVY EQUIPMENT
关键词
45钢齿轮
开裂
金相分析
45 steel gear
fraction
metallurgical analysis