查询词典 metallographical

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。

The method of the study is using Metallographical examination, surface roughness and poriness of the copper coating ware. Results show that different structures of the coating reflect different combination mechanism.

采用Olympus GX71金相显微镜对涂层界面进行金相组织观察并拍照；采用光切法测定了涂层的表面粗糙度；采用贴滤纸法测定了涂层的孔隙率。

The effects of main test parameters on the process of pitting potential of carbon steels have been studied by quasi-steady-state polarization technique and metallographical analysis technique.

采用准稳态的极化试验研究了各主要试验参数对碳钢在3%NaCl溶液中点蚀电位的影响，结果表明：3种碳钢钝化的临界pH值约为8 0 ；当T =2 0℃～35℃时，点蚀电位值Eb10 0 随温度的降低而变正；当电位变化速度慢于30mV/ 30s时，Eb10 0 随电位变化速度的减小而变负；试验面的粗糙度越大，点蚀电位越

Fifth, The linear distribution of metallographical microstructure of laser-cut crosssection for pipe and plate, which is a new method developed for the investigation of heated conditions during laser cutting, was firstly studied by the method of quantitative metallographic examination, and their different heated conditions were verified on the base of the measured results.

另外，首次采用定量金相测试的方法，研究了管材和板材切口横截面金相组织的线分布，并以此测量结果验证了管材和板材受热情况差别，从而发展了一种新的研究激光切割过程受热情况的方法。

May erode its microstructure. A contrastive study has been made on the tap-water-eroded sintered NdFeB by SEM and metallographical microscope.

试验采用SEM、金相显微镜等时比研究了NdFeB磁体被自来水腐饮前后的情况。

In view of disqualification of yield strength of GR60 hot rolled bar ,chemical compositions and per- formance were retested,and metallographical and inclusion examinations carried out.

针对GR60钢筋屈服强度不合，进行了产品的成分和性能复验、金相、夹杂物的检验，结合生产实践和工艺调查，分析了造成屈服强度不合的原因，并提出改进措施。

The reasons of the leakage in water-wall tube were examined by chemical composition analysis, metallographical observation, electron probe and x-ray diffraction.

采用化学成分分析、金相检验、电子探针及x射线物相分析等方法，对某锅炉的异型烟道水冷壁管泄漏进行了测试研究。

In the thesis, By using x-ray diffraction, energy spectrum analysis, metallographical analysis and scanning electron microscopy and opitimzing technology, the effects of the element Ga was researched and discussed in the magnetic performance and microstructure of Sintered Nd15Fe78B7+Ga permanent magnets made by powder metallurgy.

本文采用粉末冶金方法，通过x射线衍射、能谱分析、金相分析和电子扫描等一系列的检测与分析方法，优化工艺，研究并讨论了添加Ga元素对烧结Nd_(15)Fe_(78)B_7系永磁体磁性能和微观结构的影响。

This paper studied the grinding mechanism of this new type superalloy on the base of systematical analysis of variable characteristics of the grinding force, grinding temperature, topography of ground surface, residual stress distribution and hardness distribution of surface layer, as well as morphology of surface layer from a metallographical point.

摘 要：为解决定向凝固高温合金DZ4在磨削加工中极易发生的磨削烧伤问题，采用先进的测试方法，对磨削过程中磨削力、磨削温度、工件表面形貌、表面层残余应力分布、表面层显微硬度、表面层金相组织等变化规律进行了分析研究，揭示出该种新型高温合金材料磨削烧伤机理。

In this paper, the mechanical properties and microstructure of flash butt welding joint of the austentic manganese steel frog and the track steel had been researched by the metallographical examination, TEM, SEM and tensile, impact and hardness test. Its result has the very important practice meaning.

本文在查阅大量国内外文献的基础上，运用光镜、透射电镜和扫描电镜等金相试验手段和拉伸、冲击、显微硬度等力学性能试验，对高锰钢辙叉与钢轨闪光对焊接头的显微组织形态、硬度分布和力学性能进行了研究和分析。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了