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J. Cent. South Univ. Technol. (2008) 15: 198-203 DOI: 10.1007/s11771-008-0038-3 Simulation of thermal and sodium expansion stress in aluminum reduction cells LI Jie(李 劼), WU Yu-yun(伍玉云), LAI... block. Thermal stress field was calculated by the other slice model of the cell at the end of the heating-up. Then stresses[A1] coupling thermal and sodium expansion were considered after 30 d start......
Warm hydroforming of magnesium alloy tube with large expansion ratio LIU Gang(刘 钢), TANG Ze-jun(汤泽军), HE Zhu-bin(何祝斌), YUAN Shi-jian(苑世剑) School of Materials Science and Engineering, Harbin... alloy tubular part with a large expansion ratio. Effects of temperature on the mechanical properties and formability were studied by uniaxial tensile test and hydraulic bulge test. Total elongation......
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Negative Thermal Expansion of (ZrMg)xY2-2xMo3O12 Ceramics with Low Hygroscopicity王献立1,FU Linjie1,XU Kun1,YANG Peng1,LU Xiansheng2,LIANG Erjun21. Physics Experiment Center, Zhengzhou University...+. The material shows near zero thermal expansion(-0.12×10-6 K-1, 430-870 K) with x=0.7. Meanwhile, Zr Mg Mo3O12 shows low non-hygroscopicity and negative thermal expansion, but low softening......
Characterization of the negative thermal expansion material Zr1-xHfxW2O8SHEN Rong WANG Cong WANG Tianmin DONG Cheng, CHEN Hong, and LIANG Jingkui1) Center of Material Physics and Chemistry, School... property of isotropic negative thermal expansion in a large wide temperature range, which makes it have a number of important potential applications. The cubic Zr1-xHfxW2O8 (x = 0,0.3, 0.5, 0.7, and 1.0......
:In order to prepare a hypereutectic Al-Si alloy with low coefficients of thermal expansion (CTE), Al-50was produced by powder metallurgy (P/M) and ingot metallurgy (I/M). P/M specimen was prepared... ceramics. 关键词:Al-Si alloy; coefficient of thermal expansion; sintering; casting; strontium addition; modification; [全文内容正在添加中] ......
Study on thermal expansion behavior of Dy2O3- Al2O3- SiO2 glass HE Huaqiang1,LIU Yuzhu1,ZHUANG Weidong1,GENG Zhiting2 (1.National Engineering Research Center for Rare Earth Materials, General...) Abstract:Employing Dy2O3, Al2O3, and SiO2 as starting materials, several series of Dy2O3-Al2O3-SiO2 sealing glass were prepared. The relationship between their coefficients of thermal expansion......
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EFFECTS OF HEAT TREATMENT ON THE THERMAL EXPANSION BEHAVIOR OF SiC WHISKER REINFORCED ALUMINUM COMPOSITE W.D.Fei1,W.L.Li1,C.K.Yao1,M.Hu1 (1.School of Materials Science and Technology, Harbin Institute of Technology, Harbin 150001, China) Abstract:The thermal expansion behaviors of SiC whisker reinforced commercially pure aluminum composites subjected to different heat treatments were studied......