粉末冶金及热挤压制备SiC_p/铝基复合材料的磨损性能
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摘要
通过粉末冶金法制备了SiC_p增强铝基复合材料并对其进行了热挤压变形处理,研究了不同热挤压参数对SiC_p/铝基复合材料磨损性能的影响。结果表明,SiC_p颗粒分布的均匀性对复合材料磨损性能影响较大,热挤压SiC_p/铝基复合材料的磨损量随SiC_p含量的增加先减小后增大;磨损速度及磨损载荷的增大使材料的磨损速率增加。Sn的添加能够提高SiC_p/铝基复合材料的耐磨性能,但Sn含量的变化对热挤压SiC_p/铝基复合材料的磨损性能影响不大。
SiC_preinforced aluminum matrix composites were prepared by means of powder metallurgy and hot extrusion deformation,and the friction and wear properties of the composites prepared were investigated.The results show that the homogeneity of SiC_pparticle has great influence on the wear properties of the composites.The wear loss of the composites is increased firstly and then decreased with the increase of the SiC_pcontent.With increasing in the wear rate and the wear loading,the wearing rate of the composites is increased.The wear properties of the SiC_preinforced aluminum matrix composite can be improved with Sn addition,however,Sn addition change can little affect the wear behavior of the hot extruded composites.
SiC_preinforced aluminum matrix composites were prepared by means of powder metallurgy and hot extrusion deformation,and the friction and wear properties of the composites prepared were investigated.The results show that the homogeneity of SiC_pparticle has great influence on the wear properties of the composites.The wear loss of the composites is increased firstly and then decreased with the increase of the SiC_pcontent.With increasing in the wear rate and the wear loading,the wearing rate of the composites is increased.The wear properties of the SiC_preinforced aluminum matrix composite can be improved with Sn addition,however,Sn addition change can little affect the wear behavior of the hot extruded composites.
引文
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[2]童慧,胡正飞,张振,等.SiC改性及其在铝基复合材料中的应用[J].金属功能材料,2015,22(1):53-59.
[3]马国俊,丁雨田,金培鹏,等.粉末冶金法制备铝基复合材料的研究[J].材料导报,2013,A27(8):149-154.
[4]王行,谢敬佩,郝世明,等.碳化硅颗粒增强铝基复合材料研究现状与展望[J].稀有金属与硬质合金,2013,41(3):50-53.
[5]陈强.合金加工流变学及其应用[M].北京:冶金工业出版社,2012.
[6]刘光辉,刘昌明,王开,等.SiCp增强铝基复合材料离心铸造活塞的组织与性能[J].特种铸造及有色合金,2010,30(7):661-664.
[7]赵宇,吴婉.SiC颗粒增强铝基复合材料的制备及组织分析[J].热加工工艺,2016,45(2):98-103.
[8] XING B W,XU Z F,YAN Q S,et al.Assessment of mechanical and tribological properties of Al 2024-SiC-graphene hybrid composites[J].Procedia Engineering,2017,174:992-999.
[9] PRADHAN S,BARMAN T K,SAHOO P,et al.Tribological behavior of Al-5%SiC metal matrix composite in sodium hydroxide environment[J].Materials Today:Proceedings,2018(5):8 057-8 064.
[10] SAREH M S,FARSHAD A,LI D Y.Effect of SiC content on dry sliding wear,corrosion and corrosive wear of Al/SiC nanocomposites[J].Transactions of Nonferrous Metals Society of China,2016,26:1 801-1 808.
[11]张琪,王全兆,肖伯律,等.粉末冶金制备SiCp/2009Al复合材料的相组成和元素分布[J].金属学报,2012,48(2):135-141.
[12]覃群,华建杰.粉末冶金制备SiCp增强铝基复合材料及其性能[J].特种铸造及有色合金,2017,37(4):411-414.
[13] XU S C,WANG L D,ZHAO P T,et al.Evolution of texture during hot rolling of aluminum borate whisker-reinforced 6061aluminum alloy composite[J].Materials Science and Engineering,2011,A528(7-8):3 243-3 248.
[14]李倩倩.粉末冶金法制备SiCp/Sn/Al复合材料及其性能的研究[D].哈尔滨:哈尔滨工业大学,2013.
[15]刘振华,阎峰云,贺小祥,等.粉末半固态触变挤压SiCp/2024复合材料的组织与性能[J].特种铸造及有色合金,2015,35(6):622-625.
[16]游江,刘允中,顾才鑫,等.粉末热挤压SiCp/2024铝基复合材料的显微组织和力学性能[J].粉末冶金材料科学与工程,2014,19(1):147-153.
[17]朱刚,董普云,赵海东.SiCp粒度对挤压铸造10SiCp/A356复合材料组织和性能的影响[J].特种铸造及有色合金,2013,33(10):960-963.