OALib Journal期刊
ISSN: 2333-9721
费用:99美元
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以改进的“中心原子”模型计算Ag-Cu相图
, PP. 293-298
Keywords: 中心原子模型,相图计算,Ag-Cu
Abstract:
简化并推导了“中心原子”模型公式,使其在形式和参数意义上更接近普通热力学计算相图公式.在新模型中,A-B二元系合金第6个原子态状态量与组态的状态量之差不必与成正比(i表示α原子周围最近邻有i个B原子),而各原子态在合金中存在的几率之和Pα等于α组元在合金中活度系数的倒数采用修改后的“中心原子”模型公式计算了Ag-Cu相图及其热力学性质,计算结果与测量结果接近.
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