共搜索到17024条信息,每页显示10条信息,共1703页。用时:0小时0分0秒628毫秒
Preparation and Thermal Stability of Phosphate System Protection Glasses Doped with Rare Earths Meng Xianfeng1,Zhang Qitu2,Lu Chunhua2,Xu Zhongzi2 (1.School of Material Science and Engineering, Jiangsu University, Zhenjiang 212013, China;2.Materials Science & Technology, Nanjing University of Technology, Nanjing 210009, China) Abstract:The formation ability and thermal stability of phosphate......
Thermal expansion and dimensional stability of unidirectional and orthogonal fabric M40/AZ91D composites SONG Mei-hui(宋美慧), WU Gao-hui(武高辉), CHEN Guo-qin(陈国钦), YANG Wen-shu(杨文澍) School... ℃) and dimensional stability (in the temperature range of 20-150 ℃) of the composites and the corresponding AZ91D magnesium alloy matrix were measured. The results show that coefficients of thermal expansion......
J. Cent. South Univ. Technol. (2007)06-0779-04 DOI: 10.1007/s11771-007-0148-3 Thermal stability and oil absorption of aluminum hydroxide treated by dry modification with phosphoric... and the effects of modification of technological conditions on thermal stability, morphology and oil absorption of aluminum hydroxide powders were investigated. The results show that the increase of mass......
Thermal stability and oil absorption of aluminum hydroxide treated by dry modification with different modifiers ZHOU Xiang-yang(周向阳)1, LI Chang-lin(李昌林)1, HUO Deng-wei(霍登伟)1, 2, LI Jie(李 劼)1, WU...; Abstract: The thermal stability, particle size and morphology and oil absorption of aluminum hydroxide(ATH) treated by dry modification with three different modifiers......
Effect of oxygen impurity on long-term thermal stability of Zr-based metallic glasses below glass transition temperature HE Lin (贺 林)1, ZHANG Shuai(张 帅)1, SUN Jun(孙 军)1, ZHANG Chang-jun(张长军)2 1... November 2005; accepted 29 April 2006 Abstract: Long-term thermal stability of a series of Zr-based metallic glasses with different oxygen contents below their glass transition temperatures was compared......
......
......
Synthesis of Mg-Cu-Gd amorphous alloy by mechanical alloying and its thermal stability XU Chun-xia(许春霞), PAN Fu-sheng(潘复生) , WANG Jing-feng(王敬丰), TANG Ai-tao(汤爱涛), HU Yao-bo(胡耀波) Chongqing... is about 40 h. The thermal stability of the powders was analyzed by differential scanning calorimetry (DSC). The glass transition temperature, (Tg), onset temperature of crystallization(Tx), width......
Thermal Stability of Low Cost Nd-Fe-B Magnets连法增,任建军,艾禄,张效时,赵恒和摘 要:<正> 1.IntroductionSince the Nd-Fe-B magnets appearedin 1983,researchers,producers and users ofthe permanent magnetic materials have paidgreat attention to them.Because the mag-nets have low Curie temperature Tc andbad thermal stability as well as easeoxidation,their applications......
Effect of yttrium on thermal stability and crystallization behavior of Nd60Fe20Al10Ni10 amorphous alloys KONG Fanli1,TIAN Xuelei1,ZHANG Shasha1 (1.Key Laboratory of Liquid Structure and Heredity of Materials,Ministry of Education,Shandong University,Jinan 250061,China) Abstract:The effect of yttrium on the thermal stability and crystallization behavior of Nd-Fe-Al-Ni amorphous alloys......