用扫描电镜对断口及二次裂纹形貌进行观察。
Fracture surfaces and secondary cracks morphologies were observed using scanning electron microscopy (SEM).
SEM分析结果表明铱钽钛金属氧化物阳极涂层呈现多孔多裂纹形貌结构。
The SEM results indicated that all coatings were of a porous and cracked_mud microstructure influenced greatly by the composition of coatings.
对超声探伤报废的三块模块进行解剖试验，表露出的裂纹形貌完全说明了这点。
The fact is fully testified by inspection of cracks revealed in the dissecting tests of three pieces of mold-lump scrapped by ultrasonic flaw detection.
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