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通过金相检验，扫描电镜等测试手段对转向齿扇摇臂轴断裂原因进行分析。In this paper, the fracture of the veering fan-shaped rocker shaft was analyzed by means of metallograph and SEM.

对熔铸后的铸态组织进行了X射线衍射、扫描电镜和光镜金相分析。And with the X-ray technique, SEM and metallograph experiment, the microstructure in the casting state has also been analyzed.

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利用彩色金相对过共晶和亚共晶球铁磨球五组试样进行了试验对比。Five series ductile iron elements of hyper eutectic, hypo eutectic, eutectic have been tested using color metallograph method.

采用光学金相和电子探针等分析手段，对卧式刮刀离心机主轴的疲劳断裂进行了分析。This paper analyses the reason of fatigue fracture of main shaft of horizontal scraper centrifuger by EPMA and optical metallograph.

利用光学金相和电子探针等分析手段，对铅青铜轴套内表面出现凹坑及碎粒造成的磨损失效进行了分析。The failure mechanism of lead bronze shaft sleeves with many pits on their internal surface is analyzed by optical metallograph and EPMA.

当炉前快速金相中出现球墨大小不均时，铸件上是否出现石墨漂浮还与球墨大小不均程度和铸件壁厚有关。When surface of castings appear graphite floatation, uneven nodular graphite in size appear certainly on blast-furnace rapid metallograph.

借助现代冶金分析技术对闭塞冷锻行星齿轮的晶粒尺寸、硬度变化和残余应力分布规律进行了研究。By virtue of modern metallograph analyse technology, the size of grain, hardness and residual stress of bevel gear by closed-die cold forging is studied.

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通过金相、扫描电镜分析和物理性能测试等手段，对由镀铜石墨粉制备成的复合材料的组织、性能进行研究。By means of the analyses of SEM and metallograph and physical tests, the microstructure, properties of composites made from copper-coated-graphite powder were studied.

通过力学性能和耐磨性能测试、金相组织观察和ESEM形貌分析，研究了氮含量对低碳高铬铸铁性能的影响。The effects of nitrogen on the properties of low carbon high chromium cast iron were studied by mechanical property and wear resistance test, and metallograph analysis using OM and ESEM.

用金相和扫描电子显微镜对不同状态的镍-不锈钢复合板结合区的组织和成分分布进行了研究。The paper introduces the structure and ingredient distribution of the bonding zone Ni-stainless steel composite plate in different states by metallograph and scanning electron microscope.