The extracting features of metallography is the key to metallographic analysis.
金相图象特征信息提取是进行金相分析的关键。
The metallographic analysis found mild spheroidization of pearlite in metallographic structures.
经金相分析发现，其金相组织出现了珠光体中度球化现象。
The welded joints were completed by the X-ray test, mechanical properties tests and metallographic analysis.
焊后对焊接接头进行了射线检测、力学性能测试、接头金相组织分析。
By the fracture analysis and metallographic analysis, we obtained the spall fracture mechanism at different strain rate.
对回收的样品进行了断口分析和金相分析，从宏微观角度分析了无钴合金在不同应变率下的断裂机制。
The stress corrosion mechanism of in mixed solutions is explored based upon metallographic analysis of crack development.
依据断口扫描形貌和裂纹扩展途径的金相观察，探讨了在混合溶液中应力腐蚀机制。
Purity steel containing La was investigated by means of metallographic analysis and transmission electron microscopy (JEM2010).
采用金相法和JEM2010电镜研究了含镧高纯钢的相变。
The macro, chemical and metallographic analysis have been performed on the cracking failures of reformer tube for hydrogen generation.
针对制氢转化炉炉管多次开裂失效的情况，进行了宏观分析、化学分析以及金相分析。
By the theory of metallographic analysis and SEM, it is a new means to appraise the metal disjunction of identity of judicature evidence.
利用金相分析理论，结合扫描电子显微镜，对司法物证中金属分物的同一性鉴定，是一种简便、快速、准确的新方法。
In the light of the fire cases, the paper discusses how to use metallographic analysis technology to determine the residue of ballast fire.
本文结合火灾案例，对如何应用金相分析技术鉴别镇流器火灾残留物进行研究。
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。
Laboratory staff and our in-house metallographic laboratory equipment are also expanded to include cutting, polishing, corrosion and metallographic analysis.
实验室工作人员和我们的内部金相实验室的设备也扩大到包括切割，抛光，腐蚀和金相分析。
Consequently, it is feasible to determine electro-etching method as the sample preparation method about quantitative metallographic analysis in CuCrRE alloy.
因此，确定电解浸蚀法作为铜铬稀土合金定量金相分析的试样制备方法是切实可行的。
The quantitative metallographic analysis of the plates indicated that the decreasing amount of W particles contributed to the decreasing density of the plates.
定量金相分析表明，密度分布不均是由于钨相在烧结试样行进方向上分布不均所致。
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 failure of the spindle half-coupling on the bloomer has been analysed by many methods, such as chemical analysis, mechanical property analysis and metallographic analysis.
利用化学分析、力学性能分析及金相分析等手段，对初轧机接轴半联轴节失效原因进行了分析。
This paper has described and analyzed the reason of the damaged bearing by means of chemical analysis, the determination of the hardness as well as the metallographic analysis.
本文介绍采用通过化学成分分析、硬度测定及金相组织检测等手段，对轴承损坏原因进行分析的情况。
Through metallographic analysis of the material, microstructure change and deformation mechanism of crest, flank and root of the thread along the layer depth direction were obtained.
结果表明，牙顶处金属材料受到丝锥棱齿的压力相对较小，并且金属流向牙顶两侧上方的区域时受到的阻力最小；
The cracks on blades made of a directionally solidified superalloy were analyzed. The failure mode and cause were studied in virtue of fracture observation and metallographic analysis.
对定向凝固合金叶片的裂纹进行分析，在断口观察与金相组织分析的基础上，对叶片的失效模式与失效原因进行研究，并提出预防该类故障发生的措施。
The hair lines of 45 steel driving axle when quenching and tempering was analysed by heat etching, chemical analysis and metallographic.
本文采用热酸浸蚀试验，化学成份分析和金相分析等手段，对45钢轴所出现的发纹进行分析。
Metallographic observation, fracture scanning and energy dispersion spectrum analysis on the fractured turbine blade were carried out.
对汽轮机断裂叶片进行了金相组织观察、断口扫描及能谱分析。
Metallographic structure, Scanning electron microscope analysis test.
金相组织、扫描电子显微镜分析试验。
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 optimal technological parameter was obtained by laser cladding experiment and metallographic structure analysis.
通过熔覆试验和金相组织分析，获得了最佳工艺参数。
With electron microscope the fracture surface and metallographic structure analysis is done for typical sample of Q235, Q345 plate of low elongation, its reason found out, some Suggestions proposed.
用电镜对邯钢Q 235, Q 345中板伸长率低的典型试样进行了断口、金相组织分析，找出了试样断后伸长率低的原因，提出了相应的改进建议。
The application of image processing and analysis in developing automatic metallographic inspection system is of great significance to production and research.
应用图像处理与分析技术开发实用金相自动检测系统对生产和科研具有重要的意义。
Relying on energy spectrum analysis and metallographic examination, we have studied and analyzed the spreading the quality course and forming mechanism of the above every layer.
并借助能谱分析和金相观察对上述三层的传质过程和形成机理进行了分析和探讨。
Metallographic image analysis is one of the most important means to test metallographic sample, key algorithms in metallographic image analysis are image segmentation.
金相组织样本图像分析是金相组织样本检验的一个重要手段，而金相组织图像分析的关键算法是图像分割。
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 analysis of automobile engine crankshaft was conducted by macroscopic examination, fracture analysis, chemical composition analysis, metallographic examination and mechanical properties test.
通过宏观分析、断口分析、化学成分检验、金相检验和力学性能检测等方法，对汽车发动机曲轴断裂原因进行了分析。
The analysis of automobile engine crankshaft was conducted by macroscopic examination, fracture analysis, chemical composition analysis, metallographic examination and mechanical properties test.
通过宏观分析、断口分析、化学成分检验、金相检验和力学性能检测等方法，对汽车发动机曲轴断裂原因进行了分析。
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