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Liquid phase separation of Cu-Cr alloys during rapid cooling SUN Zhan-bo(孙占波), WANG You-hong(王宥宏), GUO Juan(郭 娟) School of Science, Xi’an Jiaotong University, Xi’an 710049, China Received 10 November 2005; accepted 2 May 2006 Abstract:The ribbons of Cu-Cr alloys with high Cr content (15%-35%, mass fraction) were prepared by rapid solidification. The microstructures of solidified samples......
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, a small quantity of La was added to alloys, and the La-Mg-Ni-Cu system Mg2Ni type (Mg24Ni10Cu2)100-xLax (x=0, 5, 10, 15, 20) (mole fraction, x %) alloys were prepared by rapid quenching... reduces from 73.18 kJ/mol to 60.41 kJ/mol and 66.16 kJ/mol to 50.50 kJ/mol for the as-cast alloy and as-spun alloy (30 m/s), respectively. Key words: Mg2Ni type alloy; rapid quenching; adding La......
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Microstructure and nanohardness of Ti-48%Al alloy prepared by rapid solidification under different cooling ratesWANG Hong-wei1, 2, ZHU Dong-dong1, ZOU Chun-ming1, WEI Zun-jie1(1. School of Materials... inversely with the wheel speed. The nanohardness increases with increasing cooling rate due to the grain size strength.Key words:rapid solidification; microstructure; cooling rate; TiAl intermetallics......
Optimising Gas Quenching Technology through Modelling of Heat Transfer Qingfei Zhang1,Aymeric Goldsteinas2,Xavier Doussot2,Florent Chaffotte3,Didier Domergue3,Linda L4 (1.Air Liquide Shanghai Co., Ltd, Shanghai, PR China;2.ECM Service, Fontaine, France;3.e;4.e)fevre(e) 摘要:Gas Quenching represents an environmentally friendly alternative to more commonly-used oil quenching. Yet,the performances......
increases and then decreases with rising spinning rate, whereas its hydrogen desorption kinetics always grows with increasing spinning rate. Key words: Mg2Ni-type alloy; rapid quenching; structure; hydrogen......
学循环稳定性,但使合金的放电容量和活化性能下降.快淬对合金的放电电压特性具有明显的影响,当淬速大于15m/s时,快淬降低合金的放电电压,并使放电平台的斜率明显增大. 关键词:La-Mg-Ni系电极合金; 快淬; 微观结构; 电化学性能; La-Mg-Ni-system electrode alloy; rapid quenching; microstructures......
STUDY ON MICROWAVE DIELECTRIC PROPERTIES OF EPOXYRESIN MIXTURES USED FOR RAPID PRODUCT DEVELOPMENT Yarlagadda1,P.K.D.V1 (1.School of Mechanical, Manufacturing and Medical Engineering Queensland... radiation was investigated as analternative technique that can be implemented to develop a new rapid product devel-opment technique. In this study it was observed that the curing time and temperaturewere......
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