通过金相分析方法对RE多元复合孕育剂的孕育强化机理进行研究。
The strengthening mechanism of re multi-compound inoculation has been studied by using the method of metallurgical analysis.
通过金相分析、微区成份分析、宏观和微观断口分析，主要研究钎焊层和焊鏠区的微观结构及其对复合钢管工艺性能和使用性能的影响。
A study was carried out on the microstructure of interface and welding seam in dual-metal clad steel pipe. And its inferences on technological and service properties were studied.
通过真空感应炉模拟实验，结合金相分析，研究稀土对于高碳重轨钢奥氏体晶粒尺寸和珠光体片层间距等的影响作用。
Via vacuum induction furnace and metallographical analysis, the effects of RE on the grain size of the austenite and distance of the pearlite laminae of high-carbon steel for heavy rail were studied.
通过对进口切粒机动刀材质硬度分析和金相分析，确认其可使用的最小外圆直径。
Through analyzing material hardness and metallography of moving knife of import cutter, its minimum round diameter outside used is confirmed.
通过电镜、能谱分析、金相分析等手段对H13钢制风机叶轮模坯开裂进行了综合分析。
Cracking of H13 steel die blank for fan impellers was analyzed by means of SEM, EDS and metallographic microscope.
通过接头宏观力学性能测试和微观金相分析，研究了焊接时间对接头性能的影响，从而得到实心、空心螺柱合理的焊接工艺参数。
The effects of welding time on the property of the joins were researched by using macroscopically mechanical property testing and microcosmic crystalline phase analyses. The reasonable welding …
通过拉伸实验、金相分析和显微硬度测试，研究了焊接接头力学性能与工艺参数之间的关系。
Tensile tests, metallographic analyses and micro-Vickers tests were carried out to evaluate the mechanical properties of the joints as a function of the process parameters.
本文通过使用宏观观察、金相分析、断口分析和电子背散射衍射（EBSD）等分析手段对高频焊管焊后弯管开裂的原因进行了分析。
The reason of the Weld Joint Cracking on high frequency welding pipe was investigated by using macroscopic observation, metallographic technology, fracture analysis and EBSD technology.
本文通过使用宏观观察、金相分析、断口分析和电子背散射衍射（EBSD）等分析手段对高频焊管焊后弯管开裂的原因进行了分析。
The reason of the Weld Joint Cracking on high frequency welding pipe was investigated by using macroscopic observation, metallographic technology, fracture analysis and EBSD technology.
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