1·After visual inspection and metallographic test, analysis and discuss the welding zone cracking reasons for 6061 and A7003 aluminum alloy thin-walled tube after TIG (argon shielded arc) welding.
通过宏观及微观检测，分析了6061铝合金管及A7003铝合金薄壁管经TIG(氩弧)焊后的焊接区开裂的原因。
2·It was approved by metallographic test that the sound velocity measured by the instrument was more accurate. The instrument was easy for operation and could be used to realize automatic control.
用该仪器进行现场检测并通过金相试验对比，试验证明，用球化率测定仪比用测厚仪和探伤仪测得的声速值要精确，而且操作简单，可实现全过程自动控制。
3·The concept and grading method of the "martensitic grade" in the standard of "Metallographic test for Carburizing Auto Gear" were analyzed and discussed according to the experience and test results.
通过生产中的试验例证和检验结果，针对《汽车渗碳齿轮金相检验》标准中“马氏体级别”的概念和评级方法进行了分析和讨论。
4·Sampling examination by metallographic test was the traditional method for measuring the depth of the quenched layer in crankshaft, which could not meet the needs of the production of auto industry.
传统的曲轴淬火层深度测试方法是金相抽检，不能满足汽车工业生产需要。
5·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。
6·Metallographic structure, Scanning electron microscope analysis test.
金相组织、扫描电子显微镜分析试验。
7·Through dye check, X-ray test, and metallographic examination, quite a lot of cracks were found in the welds of a deaerator storage tank at the cogeneration plant of Shanghai Petrochemical Works.
上海石化总厂热电厂除氧器水箱，经着色探伤、x射线探伤、金相检验等方法检测后，发现焊缝有大量裂纹。
8·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。
9·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。
10·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。