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, the transformation of order-disorder transition Au-Cu alloy has been studied. Key words: CC theory; electronic structure; Au-Cu alloy; ordering transformation CLC number: TG111 Document code: A 1 INTRODUCTION As a traditional alloy, Au-Cu system is extensively applied in catalysis, electronic industry and biological material field. Recently, some new functions of the alloy are found in nano-crystal......
): 204-210. [8] OKAMOTO H, CHAKRABARTI D J, LAUGHLIN D E, MASSAlSKI T B. The Au-Cu(gold-copper) system[J]. Bull Alloy Phase Diagram, 1987, 8(5): 454-473. [9] CLAESON T, BOYCE J B. Order-disorder transformation in Au-Cu alloys studied by extended x-ray-absorption fine structure[J]. Phys Rev, 1984, B29: 1551-1557. [10] SHOCKLEY W. Order-Disorder transformation in Au-Cu alloy[J]. J Chem. Phys, 1938......
Trans. Nonferrous Met. Soc. China 25(2015) 885-906 Holographic alloy positioning design system and holographic network phase diagrams of Au-Cu system You-qing XIE1,2,3, Xin-bi LIU1,2,3, Xiao-bo LI4... of the HADSC-center for boosting sustainable progress of systematic metal materials science and alloy gene engineering. 6 Conclusions 1) The systematic investigation on Au-Cu system is a good paragon......
words:Au-Cu system; alloy gene sequences; equilibrium and subequilibrium holographic network phase diagrams; holographic alloy positioning design system; systematic metal materials science...学物理与电子学院,长沙 410083)摘 要:以系统科学哲学为指导,以Au-Cu合金系为实例,介绍了以下内容:合金基因,合金基因全息信息传输的Gibbs能函数以及AuCuI( )化合物无序化的平衡和亚平衡传输方式,Au3Cu,AuCu和AuCu3亚格子系统的平衡全息网络相图(HNP);描述组元-成分-结构-性能-温度之间的关系;预测设计合金信息的蓝图:Au-Cu合金系的平衡和亚平衡HNP图.实现......
用特征晶体模型研究Au-Cu热力学性质 () 摘要:基于特征晶体模型,用最小二乘法拟合了Au-Cu热力学相互作用方程参数.在此基础上研究了Au-Cu合金的生成热, 组元活度和Gibbs自由能随温度的变化曲线,确定了体系固液发生成分不变相变点的温度,计算结果与实验数据一致.评估了Au-Cu体系相图,其主要特征与CALPHAD评估结果和实验信息一致. 关键词:Au-Cu相图; 特征晶体模型; 热力学性质; [全文内容正在添加中] ......
properties, electronic and crystalline structures of all alloy phases, as well as phase diagram of the alloy system can be reproduced". The Au-Cu system has an extensive history in modern time... of formation (,) of Au- and Cu-components in ?3/atom. The average atomic volume of the compound is smaller than that of the corresponding disordered alloy, to which the contribution of the Au-component......
) sequences for designing applied alloys. That is called as design engineering of characteristic crystal (atom) sequences of alloy systems. The Au-Cu system has a diversity of alloy phases, which include... sequences of characteristic atoms at the central sites of the basic clusters in the fcc-based lattice Au-Cu system are separated out from smaller experimental heats of formation of L10-AuCu......
descriptions of volumetric properties between traditional alloy theories and SSA framework are discussed. Key words: systematic science of alloys; Au-Cu system; atomic volume; volume of formation... alloy; average atomic volume () and average atomic volume (lattice parameter) of formation () of components Au and Cu; the ordering (excess) atomic volume which......
on the basis of accurate heats of formation of several compounds in the alloy system. In the first part of this investigation, the potential energy sequences of the and characteristic atoms in Au-Cu..., ordered and disordered phases and for establishing the phase diagram of the Au-Cu system in the future. Key words: systematic science of alloys; Au-Cu system; potential energy; heat of formation......
添加元素对Au-Cu合金强化影响的研究进展孔令娇,李强,李翔,万吉高,武海军昆明贵金属研究所稀贵金属综合利用新技术国家重点实验室摘 要:介绍了金基合金的强化方式以及Au-Cu合金的强化特点,特别是添加元素对Au-Cu合金的有序化转变和时效硬化等的影响.探讨了Au-Cu系多元合金的各方面性能,应用及其最新的研究情况.关键词:金属材料;Au-Cu合金系;强化机制;有序化;时效硬化;......