Metallographic structure, Scanning electron microscope analysis test.
金相组织、扫描电子显微镜分析试验。
The metallographic analysis shows that the metallurgical structure is proper. The results of internal pressure test indicate that the hot tap structure can work safely.
对间断焊焊接接头的金相分析表明其金相组织正常，内压试验结果表明该结构能安全运行。
The article analyses the samples under the three heat treatment systems of inflection test with comparability, and illustrates the relation between metallographic structure and inflection performance.
本文运用金相组织分析的手段，对具有可比性的反弯试验的三种热处理制度下的样品进行分析，展示了金相组织与反弯性能之间的联系。
Study metallographic structure of phosphor eutectic and boride in continuous cast iron. The microstructure of piston has been analyzed and proved after wear test.
研究水平连续铸造方式下高磷含硼铸铁中磷共晶和硼化物的分布特点，并进行超耐磨性试验，对磨损试验后材料的微观形貌进行试验验证分析。
An analytic test of the chemical composition, the inclusion quantity contained and the metallographic structure of the broken shaft was conducted.
对断裂主轴的化学成分、夹杂物含量和显微组织进行了检验。
An analytic test of the chemical composition, the inclusion quantity contained and the metallographic structure of the broken shaft was conducted.
对断裂主轴的化学成分、夹杂物含量和显微组织进行了检验。
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