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Ag-SnO₂复合粉体致密化研究

Investigation on Densification of Ag-SnO₂ Composite Powders

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【Author】 ZHANG Guoqing1,2,WU Haijun2,YIN Zhimin1,CHEN Song2,ZHANG Kunhua2(1.School of Materials Science and Engineering,Center South University,Changsha,Hunan 410083,China;2.Sino-Platinum Metals Co.,Ltd.,Kunming,Yunnan 650106,China)

【机构】中南大学材料科学与工程学院；贵研铂业股份有限公司；贵研铂业股份有限公司湖南长沙410083；云南昆明650106；湖南长沙410083；

【摘要】研究了Ag和SnO2的原始粉末形貌,并对高能球磨后粉体的分布特征进行了观察,研究了压制过程中Ag-SnO2复合粉体的密度变化和密实机制,推导了Ag-SnO2复合粉体压制的本构方程,该方程计算结果实测值吻合较好,预测精度较高。更多还原

【Abstract】 The primary morphologies of Ag and SnO2 powders and the distribution characteristics of high-energy ball milled powders were observed.The density fluctuation,packing mechanism of composite powders and constitutive equation during pressing were studied.The results calculated by this equation correspond well with the measured value with satisfactory estimated accuracy.更多还原