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  4. 锶在镁合金中的应用及其研究新进展

材料导报, 2008, 22(5): 63-67.

锶在镁合金中的应用及其研究新进展

程仁菊 1, , 潘复生 2, , 杨明波 3, , 汤爱涛 4,

1.重庆大学材料科学与工程学院,重庆,400030

2.重庆大学材料科学与工程学院,重庆,400030;重庆大学国家镁合金材料工程技术中心,重庆,400030

3.重庆工学院材料科学与工程学院,重庆,400050

4.重庆大学材料科学与工程学院,重庆,400030

基金项目:   国家高技术研究发展计划(863计划)(2001AA331050)   国家自然科学基金(50725413)  

关键词： 镁合金 , 锶 , 晶粒细化 , Mg-Al-Sr耐热镁合金

Application and New Developments of Strontium in Magnesium Alloys

综述了锶对镁合金组织和性能的影响以及Mg-Al-Sr耐热镁合金开发的研究概况,分析了锶对镁合金组织的细化和变质机理.研究表明,锶是对镁合金组织和性能有益的合金元素,主要体现在细化和变质合金的组织、减少铸造缺陷的产生、提高合金高温下的机械性能.此外,指出了目前还存在的问题,并对今后的发展进行了展望.

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