以SiC/Cu复合包裹粉体为增强相,采用真空搅拌铸造技术制备SiC/ADC12铝基复合材料,研究制备工艺条件对复合材料力学性能的影响,同时借助X射线衍射(XRD)和扫描电子显微镜(SEM)等测试分析手段对其物相结构进行表征.结果表明:SiC/Cu复合粉体显著改善了SiC颗粒在熔融铝合金基体中的润湿性和分散性.当搅拌温度为580℃,搅拌时间为30min,复合粉体添加量为4％(质量分数)时,复合材料获得最佳的力学性能,拉伸强度283MPa,硬度HB133,较基体合金分别提高24.1％和77.3％,较普通SiC增强复合材料提高15.5％和26.7％.
参考文献
| [1] | LLOYD D J .Particle reinforced aluminium and magnesium matrix composites[J].International Materials Reviews,1994,39(01):1-23. |
| [2] | Zhang, H.;Geng, L.;Guan, L.;Huang, L. .Effects of SiC particle pretreatment and stirring parameters on the microstructure and mechanical properties of SiCp/Al-6.8Mg composites fabricated by semi-solid stirring technique[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2010(1):513-518. |
| [3] | Bindumadhavan PN.;Chandrasekaran M.;Wah HK.;Lam LN. Prabhakar O.;Chia TK. .Effect of particle-porosity clusters on tribological behavior of cast aluminum alloy A356-SiCp metal matrix composites[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2001(1/2):217-226. |
| [4] | 李晓,李萍,薛克敏,王成,章凯.高压扭转法对SiCp-Al基复合材料颗粒分布的影响[J].材料工程,2012(02):50-54. |
| [5] | Kaczmar J.W.;Pietrzak K. .The production and application of metal matrix composite materials[J].Journal of Materials Processing Technology,2000(1/3):58-67. |
| [6] | Tjong SC.;Ma ZY. .Microstructural and mechanical characteristics of in situ metal matrix composites [Review][J].Materials Science & Engineering, R. Reports: A Review Journal,2000(3/4):49-113. |
| [7] | HASHIM J;LOONEY L;HASHMI M S J .Particle distribution in cast metal matrix composites-part Ⅰ[J].Journal of Materials Processing Technology,2002,123(02):258-263. |
| [8] | AMIRKHANLOU S;NIROUMAND B .Synthesis and characterization of 356-SiCp composites.by stir casting and cornpocasting methods[J].Transactions of Nonferrous Metals Society of China,2010,20(Suppl3):788-793. |
| [9] | GENG L;ZHANG H W;LI H Z et al.Effects of Mg content on microstructure and mechanical properties of SiCp/A1-Mg composites fabricated by semi solid stirring technique[J].Transac tions of Nonferrous Metals Society of China,2010,20:1851-1855. |
| [10] | 高飞鹏,刘世英,张琼元,韦彦锦,李文珍.纳米SiC颗粒增强ADC12铝基复合材料的制备及性能[J].特种铸造及有色合金,2009(12):1140-1143. |
| [11] | Rui Zhang;Lian Gao;Jingkun Guo .Preparation and characterization of coated nanoscale Cu/SiC_p composite particles[J].Ceramics International,2004(3):401-404. |
| [12] | HASHIM J;LOONEY L;HASHMI MS J .The wettability of SiC particles by molten aluminum alloy[J].Journal of Materials Processing Technology,2001,119(1-3):324-328. |
| [13] | QUAAK C J;KOOL W H .Properties of semisolid aluminum matrix composites[J].MATERIALS SCIENCE & ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,1994,188(1 2):277-282. |
| [14] | S. Balasivanandha Prabu;L. Karunamoorthy;S. Kathiresan .Influence of stirring speed and stirring time on distribution of particles in cast metal matrix composite[J].Journal of Materials Processing Technology,2006(2):268-273. |
| [15] | 石锦罡,姚辉,陈名海,刘宁,李清文.铜包裹碳化硅颗粒复合粉体的化学原位沉积制备与表征[J].无机材料学报,2012(08):795-799. |
| [16] | 赵玉涛;戴起勋;陈刚.金属基复合材料[M].北京:机械工业出版社,2007 |
| [17] | 陈尚平;解念锁;苏建璋 等.非连续增强铝合金复合材料的力学性能[J].材料科学与工程,1997,15(04):72-78. |
| [18] | 金鹏,刘越,李曙,肖伯律.碳化硅增强铝基复合材料的力学性能和断裂机制[J].材料研究学报,2009(02):211-214. |
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