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- Nb alloying layer 渗铌合金层
- Mo alloy layer is formed by double glow plasma alloying process. 然后作固溶处理,使金属间化合物溶于基体中;
- The compositions and microstructure of surface alloying layer wereinvestigated by the advanced means of XRD,SEM,BES,EDS. 其中渗层的成分分布、显微特征、结构形貌采用了先进的XRD、SEM、BSE,EDS等手段进行了检测分析。
- Subsequently by quenching and low-tempering heat treatment the martensite matrix with uniform,compact and dispersed carbide structure distribution was formed without eutectic ledeburite at the surface alloying layer. 随后进行淬火+低温回火热处理,使表面合金层获得马氏体基体上均匀分布的细小弥散碳化物组织,没有共晶莱氏体。
- The microstructure and phase structure of precipitate in double glow phasma W-Mo alloying layer are studied in this paper. the causes for precipitiation are analyszed in theory and by experiment. 对双层辉光离子渗钨钼的合金层中析出物进行了金相组织分析,从理论及试验上指出其析出的原因。
- The carbides of the alloyed layer were compact, uniform and dispersed without coarse eutectic Ledeburite structure. 渗层中的碳化物细小、均匀、弥散,没有粗大的共晶莱氏体组织;
- Microstructures of the carburized alloyed layer are analysised in detail by TEM. 对渗金属层渗碳后的组织进行了电子显微分析。
- Alloyed layer was formed on the surface of titanium by hydrogen-free carburizing using net-shape double cathode method. 采用网状双阴极法对纯钛表面进行离子无氢渗碳,在纯钛表面形成冶金结合的高硬度合金渗层;
- The etching liquid etches the gold or gold alloy layer existing between the columns evenly. 该蚀刻液均匀蚀刻柱之间存在的金或金合金层。
- The alloyed layer composition was similar to that of molybdenum containing high speed steels. 结果表明:渗层化学成分接近钼系高速钢;
- Finally, the wear-resisting and corr is ion-res is ting properties of the alloyed layer Were exam ined. 并测定了渗层的耐磨性及耐蚀性。
- The bond between the titanium base and alloyed layer is very good and without stripping. 划痕试验显示渗层与基体结合好、无剥离现象。
- The thermodynamic analysis shows that the infiItration of molten iron into the alloy powder paste is the key to form a surface alloying layer in the process of surface alloying during casting. 对铸造表面合金化过程进行了热力学分析,认为铁水向膏剂内浸渗是形成良好合金层的关键环节。
- The results showed that alloy layer peeling of thrust washer was mainly caused by poor adhesion between alloy layer and steel back. 结果表明,造成止推垫片合金层产生剥落的主要原因是合金层与钢背之间的结合强度较低;
- TEXTURE OF HYDROSTATICALLY EXTRUDED Zr-2.5% Nb ALLOY TUBE 静液挤压Zr-2.;5%25Nb管材的织构研究
- The results show that significant improvement of microstructure and wear resistance of M80S20 laser alloyed layer have been achieved by adding CeO2. 结果表明:通过添加CeO_2明显改善了M_(8)oS_(20)激光合金化层的显微组织和耐磨性。
- In this paper, the influence of CeO2 on the microstructure and wear resistance of M80S20 laser alloyed layer was studied by comparative testing. 本文通过对比试验,研究了CeO_2对M_(80)S_(20)激光合金化层的显微组织和耐磨性的影响。
- The etching liquid etches a gold or gold alloy layer formed on the surface of a substrate for a semiconductor device or a liquid crystal device evenly. 该蚀刻液均匀蚀刻在半导体器件或液晶装置用基片的表面上形成的金或金合金层。
- Hardness testing shows that the hardness of the surface reaches 1050HK.The hardness of the alloyed layer emerges in gradient distribution. 硬度检测表明纯钛表面硬度可达1050HK,合金渗层硬度呈梯度分布;
- Results showed that satisfactory alloyed layer could be also formed on steel castings without adding fusing agent into alloy coating. 研究表明,合金涂层中不加熔剂也能形成质量较好的合金层;