Al-Si合金中富铁相形态及其影响因素研究进展

材料工程, 2016, 44(5): 120-128. doi: 10.11868/j.issn.1001-4381.2016.05.018

Al-Si合金中富铁相形态及其影响因素研究进展

宋东福 ^1, , 王顺成 ^2, , 周楠 ^3, , 农登 ^4, , 郑开宏 ^5,

1.广州有色金属研究院金属加工与成型技术研究所,广州,510650

2.广州有色金属研究院金属加工与成型技术研究所,广州,510650

3.广州有色金属研究院金属加工与成型技术研究所,广州,510650

4.广州有色金属研究院金属加工与成型技术研究所,广州,510650

5.广州有色金属研究院金属加工与成型技术研究所,广州,510650

基金项目: 广州市先进金属结构材料重点实验室资助项目(201509010003) 广东省科技重大专项(2013A090100004) 佛山市科技创新专项资金项目(2013AH100055) 广东省专业镇中小微企业服务平台(2013B091601001,2013B091601002)

关键词： Al-Si合金 , 富铁相形态 , 影响因素

Progress in Research on Iron-rich Phase Morphology in Al-Si Alloy and Its Influencing Factors

Keywords： Al-Si alloy , iron-rich phase morphology , influencing factor

综述了Al-Si合金中富铁相的存在形态、形成条件以及富铁相影响因素的研究进展,重点讨论了Al-Si合金中合金元素、熔炼铸造工艺对富铁相形态与分布影响的最新研究现状.研究现状表明,针状富铁相对Al-Si合金性能危害极大,而汉字状富铁相对合金性能的危害要小得多,合金元素和熔铸工艺对富铁相形态具有重要的影响;因此,研究合金元素与熔铸工艺对富铁相形态的交互作用及其影响规律,从而获得有益的富铁相形态,或减少合金中Fe含量是Al-Si合金中减缓富铁相危害的重要研究趋势.

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