metallographical

Establishment Application of Digital Processing System for Metallographical Image Examination

金相检测图像数字化处理系统的建立及其应用

The Design of Computer Quantitative Analysing System for Metallographical Texture

金相组织计算机定量分析系统的设计

The Estimate Methods of Grain Size in Steel Metallographical Image

钢金相图像中晶粒度的估算方法

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。

Metallographical examination and analysis of longitudinal crack on steel plate

钢板表面纵向裂纹的金相检验和分析

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。

Metallographical examination of delayed coker furnace tube after long term operation

延迟焦化长期运行后加热炉炉管材质的金相检验

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。同时与粉末冶金法制备的组织作了比较。

The plastic slip characterizations around notch were obtained using Metallographical observations .

采用金相观测获得了缺口局部的塑性滑移特征；

Metallographical analysis reveals that the cracked tubes after welding test experienced significant damage in service .

金相分析发现：经焊接试验后，开裂炉管内部大多已出现严重内部损伤，产生了孔洞或微裂纹。

Some Applications of Tint Etching Technique in Metallographical Studies on Welded Joint

彩色金相技术在焊接金相中的应用

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 an investigation has been made into rail surface defects by way of metallographical test and electronic probe test .

采用金相检验和电子探针的方法，对钢轨表面缺陷进行了检验分析。

The cause of bursting of stop valve was studied by the methods of chemical analysis and physical and metallographical examination .

采用化学分析，宏微观检验等方法，对截止阀开裂原因进行了分析。

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。

The cracks of three types conical rollers were analyzed by metallographical microscope , SEM and energy spectral analysis .

采用金相显微镜和扫描电镜及能谱分析法对3种不同型号的圆锥轴承滚子沿柱面纵向出现的裂纹进行了分析。

Analysis of the cause of metallographical structure checking and bending distortion of the heat radiation tube for the cylinder heater

圆筒型加热炉热辐射管金相组织检测及弯曲变形原因分析

Therefore , in this paper , the characteristics of the metallographical image and the algorithm of the fractal dimension are analyzed thoroughly .

为此，本文深入分析金相图像和分形维数各种算法的特点，结合二者的特点提出相关的理论和方法，并通过实验加以验证。

The main Reason for failure is the defect that caused by braze welding and component deflection of metallographical structure .

钎焊形成的缺陷和钎缝金相组织成分偏析是导致疲劳裂纹产生的主要原因。

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。

The wear - resistance of the surfacing alloy and the relationship of metallographical structure hardness and wear-resistance are described .

通过大量的试验结果与分析，表明了堆焊层组织、硬度与耐磨性的关系。

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。

This people researches on Failure Analysis of Under-ground Gas Pipeline after operation for about 6 years in metallographical analysis , chemical component analysis , soil corrosion etc.

从材料的显微组织、化学成分、土壤腐蚀等方面，对服役近6年的A3钢埋地燃气管道进行了失效分析研究。

The failure of a gear shaft was analyzed by SEM analysis , macrograph , metallographical examination , mechanical test , chemical analysis and etc.

采用扫描电镜、低倍检验、金相检验、力学试验和化学分析等方法，分析了人字齿轮轴发生劈裂的原因。

SEM ( scanning electron microscope ) and metallographical picture show the best alloys coating can be obtained by Ni depositing layer .

SEM和金相观测结果表明浸镍后镀层结晶致密、厚度均一；

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。

Based on the means of isothermal compressive experiment and metallographical microscope , rheological behavior of SiCp / 2024 composites is investigated .

采用半固态等温压缩试验和金相显微镜等方法和手段，对SiCp/2024复合材料在半固态下流变行为进行了研究。

Studied the influence about the temperature of vacuum sintering to the performance and the metallographical structure of the wire netting material by technics testing .

通过工艺试验，研究了真空烧结温度对丝网材料烧结性能及微观组织构的影响。

Metallographical examination has been made on two different types of samples having cracking defects taken from Q345-J barrels of two different gauges .

对不同厚度规格的Q345&J圆筒上的两种裂纹缺陷试样进行了金相等分析。

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。