基于价电子理论的钛合金(α+β)/β相变温度计算及其验证Theoretical calculation of the (α+β)/β transition temperature of α+β titanium alloys on the valence electron level
刘闯,刘伟东,屈华,刘海平,刘斯琦
摘要(Abstract):
基于固体与分子经验电子理论和合金成分设计价电子理论与钛合金相变基本理论,以纯钛的α$β转变温度为依据,利用表征合金相重构难易程度的价电子结构参数n A,合金组成相α与β的晶胞权重W,相修正系数C及β稳定元素的温度系数TM c,给出了一种计算α+β两相钛合金(α+β)/β相变温度的方法并计算了21种α+β两相钛合金的(α+β)/β相变温度,理论计算值与实验测定值及经验法计算值符合得较好,说明从价电子结构层次计算α+β两相钛合金的(α+β)/β相变温度是可行的。
关键词(KeyWords): 钛合金;相变温度;价电子理论;计算法
基金项目(Foundation): 辽宁省自然科学基金项目(20031083);; 辽宁省高等学校杰出青年学者成长计划项目(LJQ2011063);; 辽宁省教育厅高校汽车材料与工程重点实验室支持计划项目(LS2010082)
作者(Author): 刘闯,刘伟东,屈华,刘海平,刘斯琦
DOI: 10.13289/j.issn.1009-6264.2013.10.035
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