Shrinkage Kinetics during Sintering W-Ni-Fe Heavy Alloy with Ultrafine Grain

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概要

• 論文の詳細を見る

• The characteristics of shrinkage kinetics curve of compacts of W-(Ni-Fe)10% with particle size less than 200 nm sintered in hydrogen atmosphere was researched by high temperature dilatometer. And the influence of the particle size of W and green density on commence shrinkage temperature, sharp shrinkage temperature and shrinkage rate were also investigated. It shows that the commence shrinkage temperature and sharp shrinkage temperature of the compact with ultrafine grain are 970°C and 1240°C respectively. The maximum shrinkage rate is 0.11%/°C. The shrinkage ratio decreases with the increase of green density and increases with the increase of sintering temperature.

• 社団法人 粉体粉末冶金協会の論文
• 2003-11-15

著者

• Lin Tao

  Institute of Acoustics, Chinese Academy of Science

• Lin Tao

  Department Of Powder Metallurgy University Of Science And Technology Beijing

• Lin Tao

  Institute Of Acoustics Chinese Academy Of Science

• Zhang Liying

  Department Of Powder Metallurgy University Of Science And Technology Beijing

• ZHANG Liying

  Dept. Powder Metallurgy, University of Science and Technology Beijing

• TAN Yuxin

  Dept. Powder Metallurgy, University of Science and Technology Beijing

• LIN Tao

  Dept. Powder Metallurgy, University of Science and Technology Beijing

• GUO Zhimeng

  Dept. Powder Metallurgy, University of Science and Technology Beijing

• WU Chengyi

  Dept. Powder Metallurgy, University of Science and Technology Beijing

• WU Qinghua

  Dept. Powder Metallurgy, University of Science and Technology Beijing

• GUO Zhimeng

  Department of Powder Metallurgy, University of Science and Technology Beijing

• WU Qinghua

  Department of Powder Metallurgy, University of Science and Technology Beijing

• Wu Qinghua

  Department Of Powder Metallurgy University Of Science And Technology Beijing

• Wu Chengyi

  Department Of Powder Metallurgy University Of Science And Technology Beijing

• Guo Zhimeng

  Department Of Powder Metallurgy University Of Science And Technology Beijing

• Tan Yuxin

  Dept. Powder Metallurgy University Of Science And Technology Beijing

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