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Crystal structure and negative thermal expansion properties of solid solution Er2W3-xMoxO12 PENG Jie(彭 杰)1, 2, LIU Xin-zhi(刘新智)3, GUO Fu-li(郭富丽)4, HAN Song-bai(韩松柏)3, LIU Yun-tao(刘蕴韬)3... method. Their crystal structures and negative thermal expansion properties were studied by high temperature X-ray powder diffraction and the Rietveld method. All samples with rare earth tungstates......
; Abstract: Materials with negative thermal expansion have many important.... The negative thermal expansion coefficient of Nd2AlFe11Mn5 compound is found by X-ray diffraction in temperature range of 122-203 K. There exists an anisotropic and strong positive spontaneous......
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... with increasing temperature, and then decreases with further increasing temperature. Key words: Dy2AlFe14Mn2 compound; thermal expansion; spontaneous magnetostriction; negative thermal expansion 1 Introduction......
in electronic packaging due to their high thermal expansion and density. The copper matrix-carbon fibre (Cf) composite may fulfill some requirements for the negative axial CTE and low density of Cf [1-3... Thermal expansion of MWCNT-reinforced copper composite XU Long-shan(许龙山), CHEN Xiao-hua(陈小华), PAN Wei-ying(潘伟英), LI Wen-hua(李文华), YANG Zhi(杨 植), PU Yu-xing(蒲玉兴), YI Guo-jun (易国军) , YI Bin......
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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......
Crystal structure and negative thermal expansion of solid solution Lu2W3-xMoxO12Jie Peng1,2), Xin-zhi Liu3), Fu-li Guo4), Song-bai Han3), Yun-tao Liu3), Dong-feng Chen3), and Zhong-bo Hu2) 1...="ChDivSummary">A new series of solid solutions Lu2W3?xMoxO12 (0.5≤x≤2.5) were successfully synthesized by the solid-state method. Their crystal structure and negative thermal expansion properties were......
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......
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...)xY2-2xMo3O12(x=0.0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, and 1) ceramics have been synthesized to obtain less hygroscopicity and negative thermal expansion. With increasing the substitution......
Preparation of Negative Thermal Expansion ZrW2O8 Powders and Its Application in Polyimide/ZrW2O8 CompositesJuan Yang,Yongsen Yang,Qinqin Liu,Guifang Xu and Xiaonong Cheng School of Materials Science and Engineering,Jiangsu University,Zhenjiang 212013,China摘 要:Negative thermal expansion (NTE) ZrW2O8 powders were prepared by step-by-step solid-state......