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shape memory alloys; pre-strain; transformation temperature; shape memory effect; thermal cycling; heat treatment process  ...温度;记忆效应;冷热循环;热处理工艺 中图分类号:TG 139.6 文献标识码:A Effect of thermal cycling on properties of CuZnAl shape memory alloys with different transformation temperatures SI Nai-chao1......
Nonlinear temperature characteristic of thermal expansion of Grf/Mg composites SONG Mei-hui (宋美慧), XIU Zi-yang(修子扬), WU Gao-hui(武高辉), CHEN Guo-qin(陈国钦) School of Materials Science... technology. M40 graphite fibers were reinforced to AZ91D and ZM6, their thermal expansion behaviors of M40/AZ91D and M40/ZM6 composites in the temperature range from 20 to 490 ℃ were investigated......
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......
of Materials and Heat Treatment, 2004, 25(1): 17-20. [17] LU Y H, WANG Q S, WU Z J. Thermal shock resistance of plasma sprayed nanostructured ZrO2 thermal barrier coating [J]. Journal of Materials... Comparison of thermal shock behaviors between plasma-sprayed nanostructured and conventional zirconia thermal barrier coatings LIU Chun-bo(刘纯波)1, ZHANG Zhi-min(张志民)1, JIANG Xian-liang(蒋显亮)1, LIU......
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......
J. Cent. South Univ. (2016) 23: 3085-3091 DOI: 10.1007/s11771-016-3373-9 Solvent extraction mechanism and precipitation stripping of bismuth (III) in hydrochloric acid medium by tributyl phosphate... to extract Bi(III) and to recover metal bismuth. Key words: solvent extraction; bismuth (Bi); tributyl phosphate (TBP); precipitation stripping; extraction mechanism 1 Introduction Bismuth......
Characterization of phases in Mg-10Y-5Gd-2Zn-0.5Zr alloy processed by heat treatment WANG Qu-dong(王渠东)1, GAO Yan(高 岩)1, 2, YIN Dong-di(尹冬弟)1, CHEN Chang-jiang(陈长江)1 1. National Engineering..., XRD, SEM and EDS. The mechanisms of microstructure evolution were discussed. The results show that, after high temperature heat treatments, the Mg12ZnY phases still exist. During solution-treatment......
Thermal expansion anomaly and spontaneous magnetostriction of Dy2AlFe14Mn2 compound WANG Hai-yun(王海云)1, ZHAO Miao(赵 淼)2, GAO Yan(高 艳)2, ZHOU Yan(周 严)1, FU Bin(傅 斌)2, YAN Da-li(严达利)2 1. School... Th2Ni17-type structure. Zero thermal expansion and negative thermal expansion were found in Dy2AlFe14Mn2 compound in the temperature range from 184 to 264 K, and from 264 to 383 K, respectively, by X......
J. Cent. South Univ. (2012) 19: 1785-1790 DOI: 10.1007/s11771-012-1208-x Microstructure and mechanical properties of Al-5.8Mg-Mn-Sc-Zr alloy after annealing treatment CHEN Qin(陈琴)1, PAN Qing-lin(潘清林... recovery and recrystallization orderly occur with the increase of annealing temperature during stabilizing treatment. Only different degrees of recovery occur in the alloys annealed below 400 ℃ for 1 h......