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。
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。
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。
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。
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。
Metallographic structure, Scanning electron microscope analysis test.
金相组织、扫描电子显微镜分析试验。
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。
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。
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。
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 effect of heat treatment on hardness and impact toughness of polynary Copper alloy has been studied by means of metallographic, XRD, SEM/EDS, TEM and mechanical property test.
文章通过金相、 X射线衍射（XRD）、扫描电镜（SEM/EDS）及透射电镜（TEM）和力学性能分析方法研究不同热处理工艺对含多元合金元素铜合金硬度和冲击韧性的影响。
The effects of thermomechanical treatment on the structures and properties of 7a04 aluminum alloy were studied by mechanical tensile test, metallographic and TEM analysis.
采用力学性能测试、金相显微分析和TEM等方法。研究了形变热处理工艺对7a04铝合金的组织和性能的影响。
The microstructure was studied using metallographic microscope, and their mechanical properties were analyzed through tensile test and hardness test.
采用金相显微镜研究了其微观组织，并通过拉伸试验及硬度测试对其力学性能进行了分析。
The article analyses the samples under the three heat treatment systems of inflection test with comparability, and illustrates the relation between metallographic structure and inflection performance.
本文运用金相组织分析的手段，对具有可比性的反弯试验的三种热处理制度下的样品进行分析，展示了金相组织与反弯性能之间的联系。
Optical coupling between traditional optical microscope and digital camera were developed, and application software were compiled for computer processing of metallographic pictures and test reports.
利用光学接口设备将数码相机通过作者开发的软件接口及应用软件与常规显微镜相连接，从而实现了金相照片及检验报告的自动化、数字化管理。
A brass component cracked in mercury was analyzed with macroscopic and metallographic technique. Combined with energy spectrum test, the form and mechanism of mercury induced cracking were discussed.
对一起黄铜汞裂破坏的构件进行形貌和金相分析，结合能谱测试，讨论了汞裂破坏形式、汞裂破坏机制，汞裂与一般沿晶型应力腐蚀破裂及晶间腐蚀的差别。
Study metallographic structure of phosphor eutectic and boride in continuous cast iron. The microstructure of piston has been analyzed and proved after wear test.
研究水平连续铸造方式下高磷含硼铸铁中磷共晶和硼化物的分布特点，并进行超耐磨性试验，对磨损试验后材料的微观形貌进行试验验证分析。
An analytic test of the chemical composition, the inclusion quantity contained and the metallographic structure of the broken shaft was conducted.
对断裂主轴的化学成分、夹杂物含量和显微组织进行了检验。
An analytic test of the chemical composition, the inclusion quantity contained and the metallographic structure of the broken shaft was conducted.
对断裂主轴的化学成分、夹杂物含量和显微组织进行了检验。
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