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- Step etching,heat dyeing,surphurating method are used to reveal metallographic structure of precious metal composites and solders. 采用分步侵蚀法、热染法、硫化法显示贵金属复合材料和焊接材料的显微组织。
- When temperature of machined surface exceeds transformation temperature, Metallographic structure of surface material will produce phase change. 加工表面温度超过相变温度时,表层金属的金相组织将会发生相变。
- The brass parts w ith cracking have been analyzed from m acro,trend ofcracking,fracture aspects and metallographic structure. 针对黄铜开裂件进行了宏观分析、裂纹走向及断口分析;
- The macro characteristics, micro morphology, metallographic structure and carburized layer depth of the fractured teeth were observed and analyzed. 对断齿齿面的宏观特征、微观形貌、显微组织和渗层深度进行了观察、测试与分析。
- Mechanical properties and metallographic structure of different welded joints for duplex stainless steel 2205 were investigated. 摘要研究了双相不锈钢2205在不同焊接工艺时接头的组织和性能。
- The metallographic structure of melted mark was observed and metallographic structure with secondary short circuited melted mark and primary short circuited melted mark was found. 利用金相显微镜对火烧熔珠的金相组织进行观察,发现铜导线火烧熔痕在不同温度下经消防射水冷却后,会出现类似一次短路和二次短路熔痕的金相组织。
- Metallographic structure of copper coated graphite powder and sintering material were analyzed and the reason of the material having high conductivity was illust... 本文还分析了这种钢镀覆石墨粉末及其烧结材料的金相结构,解释了材料的高导电性的原因。
- In order to insure the properties of H-beam,Laiwu Steel H-beam Factory analyzed the metallographic structure and mechanical properties in the cross-section of many H-beams. 为确保H型钢的性能,莱钢型钢厂分析了多规格H型钢各部位的金相组织和力学性能,结果表明,无论规格大小,两翼缘传动侧与操作侧相同部位性能都无明显差距,但上翼缘强度比下翼缘强度高。
- Different influence of Sr modification with different paramete rs by analyzing metallographic structure on properties of die casting Al alloy i s studied. 通过金相组织分析以及在不同参数下以锶变质对压铸铝合金性能带来的各种影响进行了试验。
- The consquence of study indicates:Besides containing Mg,Mn,Zn,adds proper quantity of Ti,B,Zr,Re etc,the metallographic structure of the weld seam can be reformed,and the anti-cracking ability can be greatly improved. 结果表明 ,在含 Mg、Mn、Zn的基础上 ,焊丝中添加适量的 Ti、B、Zr、RE等元素 ,可改善焊缝的组织形态 ,大大提高L C9CS超硬铝焊缝的抗热裂性能。
- Through metallographic structure analysis,wearing tests and production practice,the result shows that abrasion resistance of guide roll reaches the best and service life is prolonged as 2.4 times as no-sulphur guide roll when sulphur content 1.5%. 从对试验钢的金相结构分析和磨损试验;以及经生产实践;结果表明当硫含量在1.;5%25时的导辊耐磨性最佳;使用寿命达到了不含硫导辊的2
- On the basis of experiment and change of metal flow line, metallographic structure and micro-hardness in deformation zone, this paper researched process, characteristic and mechanism of fine-blanking. 通过实验和变形区流线变化、金相组织和显微硬度的变化,对精冲成形的过程、特点、精冲成形机理进行了研究。
- Frame fracture of m odel ZL50 is described,force loading of frame is cheched.Manufacture quality is inspected.Mechanical property of materia l and metallographic structure are analy zed. 本文概述了一起ZL50装载机车架断裂解体事故,对车架进行了受力分析、加工制造质量检验、材料力学性能分析及金相组织分析等。
- In this paper,FGM was prepared by plasma spraying,the gradient component was designed and analyzed,and the metallographic structure and microhardness of the gradient coating were tested as well as. 应用等离子熔射技术制作了梯度功能材料,对梯度成分进行了设计分析,同时测试了梯度涂层的金相组织以及显微硬度。
- For Materials Engineer: Knowledge of Composite Materials, Plastics and Metallographic Structures. 材料工程师必须具备复合材料、塑料和金相结构知识;
- The metallographic structures of Cu-Zn powder under different conditions were studied by SEM,TEM and XRD in this paper. 采用SEM、TEM及XRD等方法研究了铜锌粉末在不同制备阶段时的金相组织。
- steel experiment metallographic structure 正交实验
- Abstract: The squeeze casting technology was used to manufacture gradient aluminum matrix composite reinforced by ceramic fibers,and metallographic structures and therma l properties of the composites were studied. 文摘:采用挤压铸造法制造陶瓷纤维增强梯度铝基复合材料,通过观察其金相组织、测试其热学性能,并对梯度复合材料活塞顶的温度分布及隔热效果进行了计算。
- The metallographic structures between the tubular blank and the spun workpiece have been compared and the variations of the hardness of the offset and oblique spun workpiece been also analyzed. 摘要对铝合金旋压件旋压前后的金相组织进行了对比,分析了不同非轴对称旋压方式(偏心和倾斜)下旋压件的硬度变化。
- It's your effort to ancient Jian by analysis of metallography structure through polishing klunky Jian.Expecting for last analysis. 用铁性尤存的残剑来研磨分析金相结构,也算是古剑所发挥的最后余热了,等看最后的成果分析。