查询词典 metallographical

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

采用化学分析、金相检验及力学性能测定等方法，对锅炉对流管爆裂原因进行了分析。

Fractal characters of the metallographical structures are analyzed fractal dimensions of grains in the standard photographs are measured.

对金相的分形特征进行了探讨分析。实验验证闰具有分形特征，并测量了标准图谱中铁素体晶粒度图形的分形维数。

It was analyzed by means of metallographical examination, chemical composition analysis and inclusion testing, the results show that the fracture was mainly caused by no-metallic inclusion.

通过对层裂坯料进行宏、微观检验、化学成分和夹杂物分析，认为大颗粒硫化物夹杂及其富集破坏了基体的连续性，是镦制过程中产生裂纹的主要原因。

By means of measurements of mechanical and electrical properties, metallographical and transmission electron microscope observation, X-ray diffraction and selected diffraction analysis, scanning electron microscope and energy spectrum, the phase transformation process of Cu-15Ni-8Sn alloy and the relation between its microstructure and properties were studied.

本文利用力学与电学性能测试，金相与透射电镜观祭，X-射线衍射与选区电子衍射分析，扫描电镜和能谱分析等方法对Cu-15Ni-8Sn合金的相变过程以及合金的组织结构与性能之间的关系进行了研究。

The 16MnR steel plate was analysised by SEM analysis and metallographical and mechanical examination.

运用扫描电镜分析、金相检验和力学性能测试方法，对不合格的16MnR钢板进行了观察和分析。

The results of metallographical observation showed that there has the existence of eutectic remelting microstructure in heat effected area near the melting line.

金相观察表明，在靠近熔合线附近的热影响区内存在共晶复熔组织。

So the reasonable way to improve bearing property is to create a kind of new bearing material,which has fine microstructures,that is,grains of the soft parts and hard parts are as thin as possible and metallographical tissue is uniformly distributed.

因此，创造一种微观结构优良的轴承材料，即软、硬组分晶粒尽可能均匀分布的金相组织，是提高轴承性能的合理途径。

In the part of grinding surface integrity, the surface integrity of ground superalloy GH4169 such as grinding surface roughness, surface hardening, surface residual stress and metallographical microstructure have been studied.

确定了上述表面完整性指标与磨削参数之间的关系，并根据正交试验建立了磨削表面粗糙度、表面硬化和表面残余应力的经验公式。

ABSTRACT Based on the metallographical research results for the mechanism of superplastic deformation a constitutive equation of the structural superplasticity of polycrystalline metal is developed from the viewpoint of micro-mechanics here.

根据金属学超塑性变形机理研究结果，应用细观力学的研究方法，本文建立了多晶体金属细晶超塑性的本构方程。

Sulfidation kenetics of studied materials have been examined and compared. The structure and morphological features of sulfide scales have been investigated using metallographical, X-ray diffraction and EMPA techniques.

测定并比较了这些合金的硫化腐蚀失重，通过金相、X光衍射相分析和电子探针技术分析研究了硫化物锈层的形貌和结构特征。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。