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• VOC2O4·H2O热分解制备纳米VO2粉体及相变特性

  来源： 《功能材料2006年第3期》——涂铭旌 黄维刚 林华

  VOC2O4·H2O热分解制备纳米VO2粉体及相变特性 涂铭旌1,黄维刚1,林华2 (1.四川大学,材料科学与工程学院,四川,成都,610065;2.西南大学,材料科学与工程学院,重庆,400715) 摘要:提出了一种采用草酸氧钒(VOC2O4·H2O)热分解制备纳米VO2的方法.通过热分析(TG-DSC),XRD和TEM手段,分析了草酸氧钒前驱体的热分解过程,纳米VO2的结构和形貌,测定了纳米VO2粉体的电阻-温度曲线.实验结果表明VOC2O4·H2O热分解开始温度为343℃,在380℃,真空度为20~50Pa的条件下,热分解获得VO2的平均尺寸为22nm,相变温度为69℃. 关键词:VO2; 热致变色材料; 相变; 热分解; [全文内容正在添加中] ......

• New Steel Making Process through Reduction and Sintering of Cementite Powder

  来源： 《材料热处理学报2004年第5期》——N.OUCHIDA T.TSUCHIYAMA K.NAKASHIMA S.TAKAKI M.EGASHIRA

  New Steel Making Process through Reduction and Sintering of Cementite Powder N.OUCHIDA1,T.TSUCHIYAMA1,K.NAKASHIMA1,S.TAKAKI1,M.EGASHIRA2 (1.Department of Materials Science and Engineering, Kyushu University;2.Sumitomo Metal Industries, Ltd) 摘要:A new steel making process through reduction and sintering treatment of cementite powder was proposed, and microstructure of the material obtained......

• Preparation and microstructure of Al-Ni-Y powder by rapid solidification^①

  来源： 《中南大学学报(英文版)2004年第1期》——黄劲松 刘咏 陈仕奇 刘祖铭

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• SiC_w/2124A1 COMPOSITE FABRICATED BY POWDER METALLURGY TECHNIQUE

  来源： 《中国有色金属学报(英文版)1992年第2期》——Bi,Jing Ma,Zongyi Lu,Yuxiong Shen,Hongwei Gao,Yinxuan

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• Preparation of doping titania antibacterial powder by ultrasonic spray pyrolysis

  来源： 《中国有色金属学报(英文版)2008年第5期》——韦顺文 彭兵 柴立元 刘云超 李竹英

  Preparation of doping titania antibacterial powder by ultrasonic spray pyrolysis WEI Shun-wen(韦顺文)1, PENG Bing(彭 兵)1, CHAI Li-yuan(柴立元)1, LIU Yun-chao(刘云超)1, LI Zhu-ying(李竹英)2 1. School... of the powder can be controlled by adjusting the concentration of solution. The experimental approach indicates that the size and the value of standard deviation of particle size increase from 210 nm......

• Effect of La₂O₃ nanoparticles on properties of molybdenum powder

  来源： 《中国有色金属学报(英文版)2001年第6期》——王金淑 周美玲 左铁镛 聂祚仁 张久兴 刘娟

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• Friction Wear Property of Brake Materials by Copper-based Powder Metallurgy With Various Brake Speeds

  来源： 《材料热处理学报2004年第5期》——LIU Jian-xiu GAO Hong-xia WEI Xiu-lan

  Friction Wear Property of Brake Materials by Copper-based Powder Metallurgy With Various Brake Speeds LIU Jian-xiu1,GAO Hong-xia1,WEI Xiu-lan1 (1.Zhengzhou University of Light Industry, Mechanical Engineering Institute, Zhengzhou, China) 摘要:The experiment is conducted on MM-1000 friction test machine, which tests friction wear property of copper-based brake materials by powder metallurgy......

• Fractal phenomena in powder injection molding process

  来源： 《中国有色金属学报(英文版)2003年第5期》——郑洲顺 曲选辉 李云平 雷长明 段柏华

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• Numerical simulation in powder compaction of metallurgy component

  来源： 《中国有色金属学报(英文版)2006年第6期》——黄春曼 陈普庆 邵明 李元元

    Numerical simulation in powder compaction of metallurgy component HUANG Chun-man(黄春曼), CHEN Pu-qing(陈普庆), SHAO Ming(邵 明), LI Yuan-yuan(李元元) College of Mechanical Engineering, South China.... A new flow stress model was presented by analyzing and summarizing the powder compact experiment with different initial densities. Compared with other models, the new model fits better......

• Preparation of AZ91 alloy by powder metallurgy method

  来源： 《中国有色金属学报(英文版)2006年第z3期》——姜海 何新波 曲选辉 I. S. HUMAIL 王西涛

  Preparation of AZ91 alloy by powder metallurgy method JIANG Hai(姜 海)1, HE Xin-bo(何新波)1, QU Xuan-hui(曲选辉)1,2, I. S. HUMAIL2 , WANG Xi-tao(王西涛)2 1. School of Materials Science and Engineering... Received 28 July 2006; accepted 15 September 2006 Abstract: Magnesium alloy AZ91 was prepared by powder metallurgy method, and the effect of sintering temperature on the densities and microstructures......