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in BCC structure as research subject. Based on the experimental lattice constants, heats of formation of disordered Nb(1-x)Mox alloys and the theory of the characteristic crystals, comprehensively..., 19: 1599-1617. [6] XIE You-qing, LI Yan-fen, LIU Xin-bi, LI Xiao-bo, PENG Hong-jian, NIE Yao-zhuang. Systematic science of Au-Cu system based on experimental data of disordered alloys: Characteristic......
陶瓷刀具与难加工材料的匹配研究 刘莉莉1 (1.山东大学机械工程学院,山东,济南,250061;2.平原大学机电工程系,河南,新乡,453003) 摘要:综述了陶瓷刀具主要特性,对适宜于陶瓷刀具加工的难加工材料的性能,切削特性进行了阐述,在分析刀具与加工材料匹配性能指标的基础上,进一步对陶瓷刀具与难加工材料的合理匹配进行了探讨,并对新型陶瓷刀具材料的研发前景作了展望. 关键词:陶瓷刀具; 难加工材料; 切削性能; 匹配; [全文内容正在添加中] ......
高速切削技术在难加工材料上的应用张海筹娄底职业技术学院 娄底417000摘 要:通过对金属传统切削机理与高速切削机理的比较,从切屑成形原理,切削热的产生分布及传递,刀具磨损,表面质量,生产率的提高等各方面来阐述高速切削技术在难切削材料中的应用.关键词:高速切削;切削机理;变形;切削速度;切削热;刀具耐用度;......
PcBN刀具在难加工材料中的应用王光祖郑州磨料磨具磨削研究所摘 要:作为新一代刀具材料,PcBN刀具材料具有卓越的耐磨性,化学稳定性以及抗冲击性等特点,使其能特别适应现在日益严酷的竞争环境.PcBN刀具的干式硬态切削符合绿色制造发展的大方向,是现代机械制造技术实现高速高效技术的首选,使用寿命是提高工件质量和降低生产成本的关键.文章所引用的若干事例就是佐证.管中窥豹,从这些为数不多的事例中能够领略业内研发者近年来所取得的技术成果.关键词:PcBN;难加工材料;切削技术;......
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Corrosion behavior of hypoeutectic Al-Cu alloys in H2SO4 and NaC1 solutions Wislei R. Osório1,Leonardo R. Garcia1,Leandro C. Peixoto1,Amauri Garcia1 (1.Department of Materials Engineering, University of Campinas-UNICAMP,PO Box 6122-13083-970-Campinas, SP, Brazil) Abstract: alloys. Key words:Al-Cu alloys; Al2Cu; Corrosion; Microstructure; Castings; [全文内容正在添加中] ......
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要:Owing to their unique short-or medium-range ordered microstructures and excellent mechanical, physical, and chemical properties, amorphous alloys have attracted significant interest in recent years. For the application of amorphous alloys, clarifying their oxidation processes and mechanisms is necessary since many of the surface-related properties......