No abnormity was found in the metallographical analysis and hardness test.
金相和硬度分析未发现明显异常组织和硬度分布。
The estimate of grain size is the important base of metallographical analysis.
晶粒度估算是金属性能分析的重要基础。
The geometrical characteristics analysis of grain is the important base of metallographical analysis.
晶粒的几何特征度量是金属性能分析的重要基础。
Exothermic efficiency, metallographical structure and transition region of coating layer were also investigated.
还研究了放热效应，金相组织与涂层过渡层。
It is common equipment that be used to explore the preparing technology and analyze the metallographical structure.
利用普通设备，探索了制备工艺过程，分析了金相组织。
The specific energy input er and the specific heat energy Eh were derived based on the metallographical measurement.
利用金相检测法计算了单位质量熔覆材料的比能和单位时间实际输入比能。
In this paper, the fracture process in creep of main steam pipeline is studied by metallographical and fracture mechanics.
本文以金相分析与断裂力学方法研究了主蒸汽管道蠕变破裂过程。
Metallographical microscope, SEM, EDXA analysis were carried out to examine the microstructure and elemental contents of the asymmetrical FGM.
并通过金相显微镜、SEM、EDXA分析了材料的微观结构和微区元素含量。
Pearlite spheroidization is irregular changing of metallographical image and has the features of fractal, so it can be described by technique of fractal.
珠光体球化反映到金相上，是一种不规则图像的变化，并且具有分形的特征，可望用分形几何的方法来进行描述。
The morphology of Si phase has a remarkable effect on mechanical properties of Al Si alloy by quantitative metallographical measurement and regression analysis.
通过定量金相测量及回归分析，硅相的形态对合金的力学性能影响显著。
The edge crack on Q345B wide strip steel was analyzed by means of chemical composition analysis, mechanical property testing, micro metallographical examination.
采用化学成分分析、力学性能测试、显微组织观察和夹杂物检验等方法对有边缘裂纹的Q 345 B宽带钢进行分析。
The analysis of fracture failure for electro-motor shaft was explored with the chemical analysis, macroanalysis, microanalysis and metallographical inspection method.
采用化学分析、宏观分析、微观分析和金相检测手段，对电机轴断裂原因进行了探讨。
Samples of hot rolled steel plate Q235 in various specifications having cold bending cracks are examined by means of Metallographical test and electron probe analysis.
对不同规格的Q2 3 5热轧钢板冷弯裂纹试样进行了金相检验和电子探针等分析。
This paper studied the causes of bursting of stop valve by the methods of visual inspection, metallographical examination, chemical analysis and mechanical property test.
采用宏微观检验、化学成分分析及力学性能测试方法对截止阀阀体爆裂原因进行了分析。
The evolution of pro-eutectic austenite in semi-solid high chromium cast iron was studied by self-made slope sampling plate through metallographical image analysis system.
采用自行研制的倾斜取样板进行取样，并借助金相图像分析系统研究了半固态高铬铸铁先共晶奥氏体的衍变过程。
This paper describes researches and developments of a multi media teaching software for view and analysis of metallographical structure of metal materials by computer network.
研究开发了基于计算机网络教学的多媒体金相组织观察与分析教学软件，在系统内容组织和素材的选取上充分考虑了金相教学的特点和要求。
In this paper, we introduce the principle of metallographical cutter control system and the design method of software and hardware based on the AT89S52 singal-chip microcomputer.
介绍了以AT 89s52单片机为核心的金相切割机控制系统原理和软硬件设计方法。
The hardfacing procedure, the chemical composition, hardness and metallographical structure of the hardened layer are introduced. The benefits by using the process is discussed, too.
介绍了堆焊工艺，堆焊层的化学成分、硬度、金相组织和获得的经济效益等。
Unlike available stereo microscopes, such as dissecting microscope, metallographical microscope and stereoscope, the stereo microscope of the present invention has great enlargement factor.
不同于传统的立体显微镜，解剖镜，金相镜，体视镜，有放大倍数更大的优点。
Coatings were deposited in a commercial coating unit, UDP 550 rig, Teer Coatings Ltd. Prior to coating deposition, the surfaces of the specimens were prepared by metallographical techniques.
涂层，涂层存放在一个商业单位，UDP的550台，蒂尔涂料有限公司涂料沉积在此之前，该标本的表面是由金相技术准备。
The subsurface oxide layers generated during decarburizing annealing of high grade non-oriented silicon steel sheet were studied by metallographical method and magnetoacoustic emission method(MAE).
通过金相法和磁声发射法（MAE）研究了高牌号无取向硅钢脱碳退火时所产生的内氧化层。
Via vacuum induction furnace and metallographical analysis, the effects of RE on the grain size of the austenite and distance of the pearlite laminae of high-carbon steel for heavy rail were studied.
通过真空感应炉模拟实验，结合金相分析，研究稀土对于高碳重轨钢奥氏体晶粒尺寸和珠光体片层间距等的影响作用。
The microstructure characteristics, macro and micro fracture morphology of brittle broken embedded casting closure of T9815 turbines were investigated by means of metallographical examination and SEM.
借助光学显微镜、扫描电镜等手段，对用埋铸法生产的T9815气轮机组隔板断裂部位的金相组织特征，宏观和微观断口形貌等进行了研究。
The microstructure characteristics, macro and micro fracture morphology of brittle broken embedded casting closure of T9815 turbines were investigated by means of metallographical examination and SEM.
借助光学显微镜、扫描电镜等手段，对用埋铸法生产的T9815气轮机组隔板断裂部位的金相组织特征，宏观和微观断口形貌等进行了研究。
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