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Al-Fe-P三元系的热力学优化
引用本文:曹战民,谢伟,王昆鹏,牛春菊,杜广巍,乔芝郁.Al-Fe-P三元系的热力学优化[J].物理化学学报,2013,29(10):2148-2156.
作者姓名:曹战民  谢伟  王昆鹏  牛春菊  杜广巍  乔芝郁
作者单位:1.State Key Laboratory of Advanced Metallurgy, School of Metallurgical and Ecological Engineering, University of Science & Technology Beijing, Beijing 100083, P. R. China;2.School of Materials Science and Engineering, University of Science & Technology Beijing, Beijing 100083, P. R. China
基金项目:国家自然科学基金(50934011, 51274034)和中央高校基础研究基金(FRF-SD-12-010A)资助项目
摘    要:采用CALPHAD方法对Al-Fe-P三元系进行了热力学评估, 并根据相关的实验数据对边际二元系Al-P进行了热力学再优化, Al-Fe和Fe-P边际二元系的热力学参数取自之前的研究并做了局部调整. 根据相图数据和热力学数据优化了Al-Fe-P三元系的热力学模型参数, 获得了体系中所有相的Gibbs自由能表达式. 所得参数之间自洽且能很好地重现Al-Fe-P体系的大部分实验相图信息. 通过驱动力判据和本文优化所得的模型参数,从热力学上解释了该体系非晶形成能力与组成之间的关系.

关 键 词:Al-Fe-P  相图  热力学  评估  非晶形成能力  
收稿时间:2013-04-01
修稿时间:2013-07-29

Thermodynamic Optimization of the Al-Fe-P Ternary System
CAO Zhan-Min,XIE Wei,WANG Kun-Peng,NIU Chun-Ju,DU Guang-Wei,QIAO Zhi-Yu.Thermodynamic Optimization of the Al-Fe-P Ternary System[J].Acta Physico-Chimica Sinica,2013,29(10):2148-2156.
Authors:CAO Zhan-Min  XIE Wei  WANG Kun-Peng  NIU Chun-Ju  DU Guang-Wei  QIAO Zhi-Yu
Institution:1.State Key Laboratory of Advanced Metallurgy, School of Metallurgical and Ecological Engineering, University of Science & Technology Beijing, Beijing 100083, P. R. China;2.School of Materials Science and Engineering, University of Science & Technology Beijing, Beijing 100083, P. R. China
Abstract:
Keywords:Al-Fe-P  Phase diagram  Thermodynamics  Optimization  Glass forming ability
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