Al-Si-Fe三元系热力学计算与评估

上海金属, 2012, 34(3): 1-8. doi: 10.3969/j.issn.1001-7208.2012.03.001

Al-Si-Fe三元系热力学计算与评估

陈记龙 ^1, , 李谦 ^2, , 张捷宇 ^3, , 陈双林 ^4, , 安学会 ^5, , 罗群 ^6, , 李冰 ^7, , 周国治 ^8,

1.上海大学上海市现代冶金及材料制备重点实验室,上海200072

2.上海大学上海市现代冶金及材料制备重点实验室,上海200072

3.上海大学上海市现代冶金及材料制备重点实验室,上海200072

4.上海大学上海市现代冶金及材料制备重点实验室,上海200072;CompuTherm,LLC,Madison,WI53719,USA

5.上海大学上海市现代冶金及材料制备重点实验室,上海200072

6.上海大学上海市现代冶金及材料制备重点实验室,上海200072

7.上海大学上海市现代冶金及材料制备重点实验室,上海200072

8.上海大学上海市现代冶金及材料制备重点实验室,上海200072;北京科技大学冶金与生态工程学院,北京100083

基金项目: 中国铝业公司科技发展基金(2007KJA07) 国家自然科学基金(51074103) 国家科技支撑计划课题(2007BAE09B03) 贵州省"十一五"重大专项(20076003) 长江学者和创新团队发展计划(IRT0739)

关键词： Al-Si-Fe三元系 , 相图 , 热力学计算

THERMODYNAMIC CALCULATION AND ASSESSMENT OF THE TERNARY Al-Si-Fe SYSTEM

利用Calphad技术和应用Pandat相图计算软件,重新评估了Al-Si-Fe体系液相投影图,550、727、800℃等温截面,以及不同成分合金在1 477℃时的液相混合焓.结果表明,计算所得相图及液相混合焓与实验数据相符,该工作建立的热力学模型及参数可作为外推建立Al-Zn-Si-Fe等高元体系数据库的基础,并对相关体系的材料设计工作具有重要的指导意义.

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