The fractograph and dislocation were observed with SEM and TEM.
利用SEM观察疲劳断口和TEM观察位错形貌。
The fractograph and dislocation morphology were observed by means of SEM and TEM.
利用SEM观察疲劳断口和TEM观察位错形貌。
The reason of roll fracture has been analyzed by means of chemical composition analysis, macro fractograph, low magnification structure and microstructure examination.
采用化学成分、宏观断口、低倍组织及金相组织等分析方法对轧辊断裂原因进行了分析。
The anisotropy and it's evolution during ageing treatment for Al-Li alloy 1420 cold-rolling sheet were investigated by means of tensile test and fractograph observation.
通过力学性能测试和断口形貌观察，研究了1420铝锂合金冷轧薄板的各向异性及其在时效过程中的演化规律。
The strain fatigue properties, the fractograph near fatigue crack sources and the fatigue dislocation structures of LY12CZ aluminium alloy are investigated in some detail.
较详细地研究了LY12CZ铝合金的应变疲劳性能、疲劳裂纹生成区断口特征及疲劳位错组态。
The fracture reason of 45 steel bar during cold drawing was analyzed by chemical inspection, metallographic examination, scanning electron fractograph and electron probe analysis.
采用化学成分分析、金相分析、断口扫描电镜及电子探针分析等手段，对4 5钢棒材冷拔断裂的原因进行了分析研究。
In this paper, after large deformation, scanning fractograph of tungsten alloys have been studied, and the influence of large deformation level on microstructure and properties has been analysed.
研究了高强度钨合金材料大变形量锻造后的扫描断口，并结合力学性能变化规律分析了大变形对材料组织和性能的影响。
In this paper, after large deformation, scanning fractograph of tungsten alloys have been studied, and the influence of large deformation level on microstructure and properties has been analysed.
研究了高强度钨合金材料大变形量锻造后的扫描断口，并结合力学性能变化规律分析了大变形对材料组织和性能的影响。
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