查询词典 metallography

The center provides the service and develops the research in the fields of chemical analysis, characterization of material microstructure, analysis of crystal structure, physical properties of materials, micro-area chemical analysis, metallography analysis, surface topography, microstructure analysis and analysis of multicrystalline phases etc.

中心开展材料的化学成分、材料微结构表征、材料晶体结构分析、材料物理性能、材料微区成分、形貌分析、材料表面形貌、成分分析、材料显微组织分析、多晶体相分析。

The composition, crystal modification and microstructure of Na〓SO〓/SiO〓 CESM are researched by using metallography microscope, X-ray diffractometry, scanning electron microscope and energy dispersive spectroscopy. The results show no new substance appears other than quartz and thenardite, but the crystal modification phenomenon is discovered; quartz and thenardite are combined very well with wetting and mechanical inserting; a dense and continuous microstructure is seen in fractography, but holes and cracks defects are found too.

研究结果表明最终制备出的复合相变储能材料在常温下的主要物相为α—石英和芒硝〓—T，与制备前相同；制备工艺对复合材料的最终的物相变化影响不大，仅仅是制备过程中出现各组份的晶型转变；复合储能材料物相分布较为均匀，预制体粘结良好，两相基本互相包覆，其间仅是因浸润结合而形成的机械嵌合作用；复合储能材料中存在有封闭孔、杂质、未渗区等各种缺陷。

The microstructure of untransformed austenite areas inaustenititc-baintic ductile iron is revealed by colour metallography.

奥氏体一贝氏体球墨铸铁是在70年代开始发展起来的新型球铁材料。

Using Scan Electron Microscope and Metallography Microscope to analyze the organization and appearance of the abraded face of the composite materials.

利用SEM和金相显微镜分析复合材料组织及磨面形貌。

This article studied improved the ZrO2 suspending liquid disperser effect the method, and ZrO2 compound has plated the system relative disperser fluid; After the optimization of the galvanized parameter, surface Galvanizes a ZrO2 coating on the surface of the alloy K17 with Ni on the base heat-resisting, and compares the coating degree of hardness value which the system results in under the different craft; Surveys and calculates its oxidized dynamics curve after passes through 1000℃ carries on 100h the high-temperature oxidation experiment, and analyzes it to the organizational structure through the metallography microscope, the substrate bound state and so on the influence.

本文研究了改善ZrO2悬浮液分散效果的方法，并制得了相对分散均匀的ZrO2复合镀液；通过优化电镀各项参数后，在Ni基高温合金K17表面上电镀一层ZrO2 镀层，并比较在不同工艺下制得的镀层的硬度值；经过在1000℃进行100h的高温氧化实验后，测量并计算其氧化动力学曲线，分析氧化对组织结构、基体结合等状态的影响。

The cracking stems was studied by means of Metallography,SEM and EDAX.It is found that there are large quantities of sulfured manganese inclusions in the sample.

国内某大型制冷设备部件制造企业每年从德国进口大量的铁素体不锈钢棒材，主要用于制造空调四通换向阀中的关键部件———封头，见图1。

The fracture analysis includes the macro-fractography and micro-fractography, the experimental analysis of the chemical components, the mechanical properties, and the metallography of drill pipes, and the stress conditions analysis of drill pipes in air drilling.

失效分析内容主要包括断口宏观分析和微观分析，钻杆材料化学成分、力学性能和金相组织试验分析，钻杆在空气钻井过程中受力条件分析等。

The contributing law of initial surface hardness, micro hardness and its hardness gradient, metallography of bush and pin on chain wear resistance were demonstrated according to the micro analysis and the design rules under different wear mechanism were put forward.

由此可见，研究三轮农用车正时链和传动链的磨损机制，分析影响其耐磨性的因素，寻求提高其耐磨性的原理与技术，具有十分重要的学术价值和实用意义。1 磨损试验为了增强试验结果的可比性，实现不同质量水平的链条在完全相同

Through the experiment data and micrograph of metallography comparison of the Al2O3 ceramic under different conditions, some laws about the effect of different parameters such as, grinding depth, wheel speed and feed rate on the surface roughness is obtained.

通过对磨削深度、进给速度、砂轮转速等三因素三水平实验的数据分析和金相显微图像比较，分析了对表面粗糙度和材料去除率影响的一些规律，得到了降低表面粗糙度、提高材料去除率的磨削参数优化组合。

The creation of metallography haa been started with microscopic study of metallic samples,and discoveries 01 micros tructure within metallic materials.

金相学的创立始于人们在显微镜下研究金属样品并发现了金属材料的显微组织。

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。