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expansion coefficient of SiCw/Al composites reduced greatly with temperature raising. The thermal expansion coefficient of artificial ageing treatment SiCw/Al composites during unloaded thermal cycling...Study of Physical Properties of SiCw/Al Composites During Unloaded Thermal Cycling TIAN Zhi-gang1,CHENG hua1,ZHU Xiao-gang1,ZHAO Xin-ming1,CHEN Wen-li1 (1.Armor Technique Institute of PLA......
catalysts suffer from.In case of catalysts synthesized by co-precipitation method,which have active species unused in bulk phase,can be regenerated by a simple thermal treatment that leads to active... stream washing of CeCoxO2 catalysts for NO+CO reaction.It is found that the deactivated catalyst can be regenerated by simple thermal treatment and increasing calcination temperature could accelerate......
catalysts suffer from.In case of catalysts synthesized by co-precipitation method,which have active species unused in bulk phase,can be regenerated by a simple thermal treatment that leads to active... stream washing of CeCoxO2 catalysts for NO+CO reaction.It is found that the deactivated catalyst can be regenerated by simple thermal treatment and increasing calcination temperature could accelerate......
treatment CLC number: TB331; TG113.12 Document code: A 1 INTRODUCTION Materials with high electrical and thermal conductivities, and high temperature strength have attracted considerable...Influence of annealing treatment on properties and microstructures of alumina dispersion strengthened copper alloy SONG Ke-xing(宋克兴)1, 2, XING Jian-dong(邢建东)1, TIAN Bao-hong(田保红)2,LIU Ping(刘 平......
Influence of processing parameters and heat treatment on phase composition and microstructure of plasma sprayed hydroxyapatite coatings ZHAO Guo-liang(赵国亮)1, WEN Guang-wu(温广武)1, WU Kun... parameters on the phase composition and the microstructure of the obtained coatings was investigated. The effect of heat treatment on as-sprayed coating in terms of the crystallinity......
Effects of cryogenic treatment on the thermal physical properties of Cu76.12 Al23.88 alloyWANG Pinga,b,LU Weic,WANG Yuehuid,LIU Jianhuaa,and ZHANG Ruijuna a State Key Laboratory of Metastable... diffusion coefficient,heat capacity,thermal conductivity,and thermal expansion coefficient of Cu76.12Al23.88 alloy before and after cryogenic treatment in the heating temperature range of 25°C to 600°C......
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by infiltration were measured by thermal constant tester and dilatometer before and after high pressure heat treatment, at the same time, the effect of high pressure treatment on the thermal physical properties of CuCr alloy was discussed by the analysis of its microstructure. The experimental results show that high pressure heat treatment can increase the thermal diffusion coefficient and thermal......
Influence of heat treatment on nanocrystalline zirconia powder and plasma-sprayed thermal barrier coatings JIANG Xian-liang(蒋显亮)1, LIU Chun-bo(刘纯波)1, LIU Min(刘 敏)2, ZHU Hui-zhao(朱晖朝)2 1. School... and conventional thermal barrier coatings (TBCs) after high temperature heat treatment. Monoclinic/tetragonal phases were transformed into cubic phase in the agglomerated nano-powder after calcination......
metallurgy and subsequent heat treatment LIU Rui-feng(刘瑞峰)1, 2, WANG Wen-xian(王文先)2, 3, CHEN Hong-sheng(陈洪胜)2, 4 1. College of Aeronautics and Astronautics, Taiyuan University of Technology, Taiyuan 030024...), followed by T6 treatment. The microstructural evolution and mechanical properties were investigated. Results showed that the status of B4C particles changed from a network after SPS to a dispersion......