(1. 裝甲兵工程學(xué)院 基礎(chǔ)部， 北京 100072；
2. 材料科學(xué)與工程系， 北京 100072；
3. 信息工程系， 北京 100072)
摘 要: 依據(jù)華東燒結(jié)模型中膨脹機(jī)制和收縮機(jī)制的數(shù)學(xué)表征，討論了兩種機(jī)制的相互關(guān)系。結(jié)果表明：燒結(jié)初期，膨脹機(jī)制占主導(dǎo)；燒結(jié)中期，收縮機(jī)制占主導(dǎo)，并抵消膨脹機(jī)制的作用；燒結(jié)終結(jié)前，膨脹機(jī)制略占主導(dǎo)。
關(guān)鍵字: 燒結(jié)模型； 表面能； 粉末冶金； 粉體學(xué)
interaction in Huadong sintering model
（1. Department of Basic Sciences, Beijing 100072, P.R.China;
2. Department of Materials Science and Engineering, Beijing 100072, P.R.China;
3. Department of Information Engineering,
Armored Force Engineering Institute, Beijing 100072, P.R.China）
Abstract:The interaction between two sintering mechanisms in Huadong model was discussed by mathematical method. It was found that there exist two mechanisms in sintering process. The expansion mechanism plays main role in primary sintering stage, shrinkage mechanism plays main role in mid and high temperature sintering stage and devours the effect of expansion mechanism, and expansion mechanism may show its existing slightly before the end of sintering process.
Key words: sintering model； surface energy； powder metallurgy； powder mass
