The present paper describes the failure analysis of roller -coupling by testing the optical, metallographic and mechanical properties, offering you the fracture reasons.
本文介绍了利用光学金相、力学性能测试方法对轧辊联轴节进行了失效分析并提出了断裂原因。
The new testing system is capable of doing very fine fatigue tests on the metallographic level.
由此研制的疲劳试验装置，能够在金相级的水平上进行十分精细的疲劳试验。
Fracture tooth of gear shaft in well drilling pump was analysed by chemical analysis, mechanical testing metallographic examination macro and microfractography.
采用化学成分分析、力学性能测定、金相检验以及断口宏、微观分析等方法，对钻井泵齿轮轴断齿进行了分析。
The key influential factors on microstructure and properties of the Al alloy components were determined by orthogonal testing and metallographic analysis.
利用正交试验和金相分析的方法，确定了主要影响因素。
ABSTRACT: Cracks on the disc spring parts and raw materials, using metallographic examination, chemical analysis, hardness testing, scanning electron microscopy by means of a comprehensive analysis.
摘要：对碟形弹簧裂纹件和原材料，采用金相检验、化学分析、硬度试验、扫描电镜等手段进行综合分析。
The combustion resistance properties of TC4 and TC11 titanium alloys had been studied by means of titanium combustion testing equipment and metallographic examination.
利用钛合金阻燃性能测试装置，结合金相分析，研究了TC4和TC11两种合金的抗燃烧性能，分析了钛合金燃烧产物的显微组织特点。
Since the quality of metallographic sample has great effect on the accuracy and precision of testing results, several preparations of electron backscatter diffraction(EBSD) sample are introduced.
电子背散射衍射样品的制备质量对其成像效果的影响至关重要，着重介绍了几种有效的样品制备方法。
Abstract: Through hardness testing, metallographic microscope analysis, and other means, the origination of crack failure of the aluminum alloy die casting die was analyzed.
摘要：通过硬度测试、金相组织观察，研究分析了铝合金压铸模具发生早期龟裂失效的原因。
Abstract: Through hardness testing, metallographic microscope analysis, and other means, the origination of crack failure of the aluminum alloy die casting die was analyzed.
摘要：通过硬度测试、金相组织观察，研究分析了铝合金压铸模具发生早期龟裂失效的原因。
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