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in the powder annealed at 350 ℃, which is beneficial for the good soft magnetic properties. Key words: Fe84Nb7B9; nanocrystalline; amorphous phases; thermal behavior; magnetic properties  ... Thermal behavior and structure of Fe84Nb7 B9 nanocrystalline powders CAO Ling-fei(曹玲飞)1, WANG Ming-pu(汪明朴)1, XIE Dan(谢 丹)1, GUO Ming-xing(郭明星)1, LI Zhou(李 周)1, TAN Wang(谭 望)1, 2, XU Gen-ying(徐根应......
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......
on the microstructure and properties of an Al-Cu-Mg-Ag alloy under-aged at 165 ℃ for 2 h during thermal exposure at 200 ℃ was investigated. The tensile experimental results show that the remained tensile... second phase precipitates at grain-boundary correspondingly. It is shown that the mechanical properties of alloy decrease slightly and present good thermal stability after thermal exposure at 200 ℃ and 220......
Thermal decomposition and mechanical properties of hydroxyapatite ceramic YANG Chun(杨 春)1, 2, GUO Ying-kui(郭英奎)1, ZHANG Mi-lin(张密林)2 1. College of Materials Science and Engineering, Harbin... iso-press molding and pressureless sintering on the basis of previous work[13], aiming at the presence manner of B2O3 in the HAP and its effects on thermal decomposition and mechanical properties. 2......
Studies and Properties of Ceramics with High Thermal Conductivity Xia Shuqin1,Wang Kun1,Zhao Chunxia1,Chen Guangle1,Fan Shigang1 (1.Research Institute of Synthetic Crystals, Research... of the the thermal conductivity of AlN ceramics, and sintering technics is helped to the improvement of density. It is analyzed how to sinter machinable AlN ceramics with high thermal conductivity......
Growth,Thermal and Optical Properties of DyxY1-xAl3(BO3)4 Crystal 程绣凤1,李静1,王继扬1,张怀金1 (1.State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China) Abstract:Single crystal... expansion coefficient along c-axis is almost 6.5 times larger than that along a-axis. Key words:inorganic materials; borates; optic properties; thermal expansion; rare earths; [全文内容正在添加中] ......
TEM study on microstructures and properties of 7050 aluminum alloy during thermal exposure SHEN Kai(沈 凯)1 , CHEN Jin-ling(陈金灵)1, YIN Zhi-min(尹志民)2 1. School of Materials Science and Technology... that the aviation material should have high temperature oxidation resistance. Therefore, it is necessary to study the effect of thermal exposure on the microstructure and properties of Al alloy. WANG[5......
J. Cent. South Univ. Technol. (2009) 16: 0881-0886 DOI: 10.1007/s11771-009-0146-08 Thermal-mechanical properties of short carbon fiber reinforced geopolymer matrix composites subjected...-mechanical properties were studied. The results show that the thermal shrinkage in the direction perpendicular to the lamination of the composites gradually increases with the increase of the heat......
J. Cent. South Univ. Technol. (2009) 16: 0392-0398 DOI: 10.1007/s11771-009-0066-7 Non-isothermal curing kinetics and thermal properties of benzoxazine-phenolic copolymers XU Li(徐 丽), SITU Yue... by differential scanning calorimetry (DSC), and the catalytical effect of phenolic hydroxyl on the curing behavior of copolymers was investigated. To investigate the thermal properties of this resin......
Effects of thermal transport properties on temperature distribution within silicon waferWANG Ai-hua(王爱华)1, NIU Yi-hong(牛义红)1, CHEN Tie-jun(陈铁军)1, P. F. HSU2(1. School of Materials and Metallurgy... heat transfer model was used to simulate the heat transfer within wafer and investigate the effect of thermal transport properties on temperature non-uniformity within wafer surface. It is found......