fracture micro appearance 断口微观形态
By SEM the micro appearance of main fracture conformed to characteristics of flake fracture.
通过SEM观察，可知主断口微观形貌符合白点断口特征。
This paper analyzes the fracture appearance, microscopic structure, chemical composition and micro-hardness of the bright ghost structure.
本文对亮条的断口特征、金相组织、化学成分和显微硬度进行了分析。
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