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AuCu3-亚格子系统的合金基因Gibbs能配分函数和平衡全息网络相图(英文)
引用本文:谢佑卿,李小波,刘心笔,聂耀庄,彭红建.AuCu3-亚格子系统的合金基因Gibbs能配分函数和平衡全息网络相图(英文)[J].中国有色金属学会会刊,2014,24(11):3585-3610.
作者姓名:谢佑卿  李小波  刘心笔  聂耀庄  彭红建
作者单位:中南大学材料科学与工程学院;中南大学粉末冶金研究院;中南大学粉末冶金国家重点实验室;湘潭大学材料科学与工程学院;中南大学物理与电子学院;中南大学化学化工学院
基金项目:Project(51071181)supported by the National Natural Science Foundation of China;Project(2013FJ4043)supported by the Natural Science Foundation of Hunan Province,China
摘    要:以AuCu3-亚格子系统为例,介绍3项发现:第一,迄今阻碍金属材料科学进步的第三大障碍是研究者们习惯用平衡均匀转变的思维方式认识温度极其缓慢变化的合金相变实验现象,然后以实验现象的错误认识为选择信息,建立Gibbs能函数和所谓的"平衡相图";第二,AuCu3-型亚格子系统的平衡全息网络相图可用来描述与成分和温度有关的合金基因排列结构和各种热力学性质的系统相关性;第三,每个合金的平衡转变都是均匀的单相转变,不是非均匀的双相转变,存在一条没有有序相和无序相共存区的单相相界线,相界线顶点成分和温度远偏离AuCu3化合物临界点的计量成分和温度。

关 键 词:AuCu3化合物  AuCu3-型亚格子系统  合金基因Gibbs能配分函数  平衡全息网络相图  系统金属材料科学
收稿时间:5 September 2014

Alloy gene Gibbs energy partition function and equilibrium holographic network phase diagrams of AuCu3-type sublattice system
You-qing XIE;Xiao-bo LI;Xin-bi LIU;Yao-zhuang NIE;Hong-jian PENG.Alloy gene Gibbs energy partition function and equilibrium holographic network phase diagrams of AuCu3-type sublattice system[J].Transactions of Nonferrous Metals Society of China,2014,24(11):3585-3610.
Authors:You-qing XIE;Xiao-bo LI;Xin-bi LIU;Yao-zhuang NIE;Hong-jian PENG
Affiliation:You-qing XIE;Xiao-bo LI;Xin-bi LIU;Yao-zhuang NIE;Hong-jian PENG;School of Materials Science and Engineering, Central South University;Powder Metallurgy Research Institute, Central South University;State Key Laboratory of Powder Metallurgy, Central South University;College of Materials Science and Engineering, Xiangtan University;School of Physical Physics and Electronics, Central South University;School of Chemistry and Chemical Engineering, Central South University;
Abstract:Taking AuCu3-type sublattice system as an example, three discoveries have been presented: First, the third barrier hindering the progress in metal materials science is that researchers have got used to recognizing experimental phenomena of alloy phase transitions during extremely slow variation in temperature by equilibrium thinking mode and then taking erroneous knowledge of experimental phenomena as selected information for establishing Gibbs energy function and so-called equilibrium phase diagram. Second, the equilibrium holographic network phase diagrams of AuCu3-type sublattice system 5 be used to describe systematic correlativity of the composition—temperature-dependent alloy gene arranging structures and complete thermodynamic properties, and to be a standard for studying experimental subequilibrium order-disorder transition. Third, the equilibrium transition of each alloy is a homogeneous single-phase rather than a heterogeneous two-phase, and there exists a single-phase boundary curve without two-phase region of the ordered and disordered phases; the composition and temperature of the top point on the phase-boundary curve are far away from the ones of the critical point of the AuCu3 compound.
Keywords:alloy gene Gibbs energy partition function  equilibrium holographic network phase diagram  systematic metal materials science
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