( 5 ) establishing the measuring metallographic expert database with multi - modes express , obverse - contrary deduce method , fuzzy mathematical model pattern matching based on regulations . its reliability , accuracy and reappearance can satisfy requirement of quantitative analysis of metallographic microstructure . the system has great theoretical and practical significance in setting up quantitative relation among the composition , microstructure and mechanical property , selecting appropriate material , customizing suitable process and developing quantitative metallographic 广东工业大学工学硕士学位论文利用本系统对金相组织自动分析的可靠性、准确性能满足一般定量金相分析的要求;它对于建立金属材料成分、组织与性能之间的定量关系、合理地选择金属材料、制定合适的加工工艺、发展定量金相都具有重要的理论意义和使用价值。
Cu - zn - cr - zr conducting bar alloy and cu - cr - zr end ring alloys used for superpower asynchronous traction motor rotor were prepared by ingot metallurgy . using hardness measurement , tensile test at room and higher temperature , electrical resistance test at room and higher temperature , optical microscopy , xrd , sem , and tem , the mechanical and electric properties and the microstructure of above alloys at different treatment were studied . them were also analysed and explained in theory 采用铸锭冶金法制备了大功率异步牵引电动机转子用导条合金和端环合金，通过硬度测试、室温拉伸、高温拉伸、电导率测定、金相分析、 xrd 、 sem 、 tem等方法研究了不同加工工艺和热处理工艺对上述合金力学性能、导电性能及其组织结构的影响和变化规律，并从理论上进行了分析和解释。
The main research content of the article is involved as follows : ( 1 ) the research and discussion of the quantitative metallographic analysis methods and the measuring methods of micro hardness . ( 2 ) the application of digital image technique in metallographic image preprocess such as gray level transformation , dichotomy , noise eliminating , dilation and erosion , image enhancement , boundary detection , etc . the application of the wavelet and multi - resolution analysis in metallographic image procession to improve the measuring accuracy and efficiency . the application of the region growth and mathematical morphology in analyzing image parameters to improve the flexibility and exaction 本文的主要研究内容： ( 1 )定量金相分析和显微硬度测量的方法研究； ( 2 )利用数字图像处理技术，实现金相图像的灰度转换、二值化、噪音消除、膨胀收缩、图像增强、边缘提取等预处理；引入小波理论、基于数学形态学的区域生长法对采样图像进行分析，实现了对采集图像边缘的有效提取，从而提高了测量精度； ( 3 )开发了金相图像分析系统的主体结构(硬件结构和软件结构) ； ( 4 )采用windows开发平台的面向对象程序设计语言microsoftvisualc + +进行系统的模块化设计； ( 5 )提出了采用多模式的知识表示方法建立知识库，应用正反推理、模糊数学模型、基于规则的模式匹配模型建立金相分析专家系统。
And with the increased test time , the superiority of the low carbon high alloy steel was well illuminated . the worn surfaces of the three steels show that the mechanism of the low carbon high alloy steel is impact abrasion , the high manganese steel is impact - corrosion , and the medium carbon alloy steel is the heaviest impact - corrosion 最后通过hitachi - x - 650扫描电子显微镜考察了低碳高合金钢、高锰钢和中碳合金钢试样的冲击腐蚀磨损表面形貌，并用olympus光学显微镜进行了光学金相分析，对这三种钢的磨损机理进行一定的探讨。
The equal - grain - area - circle diameter and the roundness were defined to scale the form factor and quantified the degree of the grain ' s globalization . metallographic analysis , xrd , tem and edax were expired to observe the evolution of the microstructure , the changing of the phase and the changing of the component 定量测试晶粒的等积圆直径和球化度等形貌参数，比较形变组织的半固态球化效果，采用金相分析、 xrd 、 tem 、 edax等方法观测组织演变过程特点，并考察第二相及微区成分的变化。
Anqing diamond is well - equipped with alloy cast iron production line , ductile cast iron production line , stall band oil rings line and surface treatment line . our company has compound chrome plating , gas nit riding , salt nit riding , ceramics penetration , nana - meter technique , plasma spraying etc . , advanced surface treatment and equipment . it is also equipped with light score analyzer , outline analyzer , pattern analyzer , metallograplry analyzer etc . , and japanese germany examine instrument and technique 帝迈德公司装备精良，现有高合金铸铁球墨铸铁毛坯铸造和加工生产线，钢带组合油环生产线，表面处理生产线，车柴环生产线，拥有复合镀气体氮化盐浴氮化渗陶纳米技术喷钼等高新表面处理装备及技术，配备光谱分析仪轮廓仪投影仪金相分析仪等先进的德日检测仪器和检测设备。
Metallographic analysis refers to inspecting and evaluating material microstructure with all kinds of analyzing apparatuses . not only it can reveal the relation between microstructure and properties , evaluate the reliability of the technological methods , but also it is the important means to inspect the product quality , develop new material and technology 金相分析主要是利用各种显微镜对材料的微观组织结构进行检验和评定，它既能揭示不同显微组织和性能的关系，又能检验工艺手段是否达到了预期的目的，是检验产品质量的依据，是发展新材料、新工艺的重要手段。
