胡涛涛,靳一鸣,尤振平,张炜,李学帅,郭丽丽,张建波

• 1:江西理工大学工程研究院
• 2:中国国际工程咨询有限公司
• 3:江西理工大学材料科学与工程学院
• 4:中色奥博特铜铝业有限公司

摘要(Abstract)：

以Ti_3SiC_2粉末为增强体,Al-4Si合金作为基体,通过半固态工艺制备了5%(质量分数)Ti_3SiC_2/Al-4Si复合材料。利用X射线衍射仪(XRD)、扫描电镜(SEM)、能谱仪(EDS)等研究了半固态制备5%(质量分数)Ti_3SiC_2/Al-4Si复合材料的界面反应对其组织及性能的影响。结果表明,在半固态制备过程中Ti_3SiC_2与Al-4Si基体发生界面反应生成了Al_3Ti、TiC、Al_4C_3物相,Al_3Ti及TiC颗粒分布在晶界处;复合材料硬度约为46.8 HV0.3,相比Al-4Si基体合金硬度略微提高;与Al-4Si基体合金相比,界面反应产生的第二相颗粒显著改善复合材料的摩擦学性能,摩擦系数为0.263,磨损量为0.0069 g。

关键词(KeyWords)： 半固态;Ti_3SiC_2;Al基复合材料;摩擦学性能

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51461017,51561008);; 江西省青年科学基金(20171ACB21044)

作者(Author): 胡涛涛,靳一鸣,尤振平,张炜,李学帅,郭丽丽,张建波

DOI: 10.13289/j.issn.1009-6264.2018-0263

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