macrograph

In addition,The general macrograph characters of spalling of bonding layer and shallow working lining,and their causes were described.

总结了轧辊磨损预报模研究现状,并详细介绍了典磨损预报模,最后展望了冷轧辊研究工作向。

The failure of a gear shaft was analyzed by SEM analysis, macrograph, metallographical examination, mechanical test, chemical analysis and etc.

摘要用扫描电镜、低倍检验、金相检验、力学试验和化学析等法，析了人字齿轮轴发生劈裂原因。