The optical microscope and SEM were applied to analyze the formation mechanism of transverse corner cracks of Nb microalloyed steel slab.
采用金相显微镜和扫描电镜分析了含铌微合金化钢铸坯角部横裂纹的形成原因。
The microstructure was observed through optical microscope and SEM. The composition was studied by EDS and XRD. And the density and hardness were also measured.
利用金相显微镜和SEM研究了合金的形貌，利用EDS和XRD研究了合金的成分，并测定了合金的密度和硬度。
The microstructure was observed and analyzed through optical microscope and SEM. The zinc added sintered composite product were studied and compared with the al...
通过金相显微镜和SEM研究了复合材料的形貌，对添加锌后的烧结产品进行了分析，并与铝硅粉末体烧结产品对比。
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