In this paper , the dislocation in 50mm cz sapphire crystal had been observed by chemical etching with metallograph and sem 本文用化学腐蚀法对cz法生长的50mm蓝宝石单晶中的位错和缺陷进行了分析研究，并采用金相显微镜和sem对其进行了显微观察和分析。
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It also has physi - chemical analysis instruments for testing material compositions , metallograph ( analyzing the structure of raw material correctly and clearly ) 还拥有材料成份检测的理化分析器、金相测试仪（通过对材料能够准确清楚的分析出原材料的组织结构） 。
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The composite roll of high speed steel has the synthetical life of over ten times more than traditional high cr cast iron roll . now the research and production of the high speed steel for roll are very drastic . in this thesis , the microstructure , heat treatment and performance of high speed steel fe - 2 % c - 4 % v - 4 % mo - 5 % cr - x % w ( wt ) are studied systematically by using metallograph , method of lattice , xrd , sem , eds and hardness 本文利用金相法(包括黑白金相和彩色金相) 、 x射线衍射( xrd ) 、扫描电子显微镜( sem ) 、能谱( eds )及洛氏硬度分析仪等手段，对复合轧辊用高速钢fe - 2 c - 4 v - 4 mo - 5 cr - x w (其它部分如未作特殊注明均为质量分数)合金系的显微组织、热处理工艺及性能进行了系统地分析。
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Detection : carbon - sulfur analyzer , oxygen analyzer , glazing machine , rockwell ( vickers ) hardometer , profile projector , surfagauge , scan electron microscope , laser conductometer , magna - check , universal measuring instrument , metallograph and image analysis system , abrasion tester , universal test machine and other advanced analysis and detection equipment and instruments 检测类：碳硫分析仪、氧分析仪、试验室用抛光机、洛（维）氏硬度计、轮廊投影仪、表面粗糙度测量仪、扫描电镜、激光热导仪、磁力探伤机、万能测量仪、金相显微镜及图像分析系统、磨损试验机、万能试验机及其它的先进的分析检测设备和仪器等产品类。
