陈素娟,张瑞英,史志铭,李艳辉,韩小伟

• 1:内蒙古工业大学材料科学与工程学院
• 2:内蒙古轻合金重点实验室

摘要(Abstract)：

以TiO2,C和Al粉为原料,利用接触反应法原位合成10%TiC-Al2O3/Al基复合材料。采用SEM、XRD和电化学测试等研究稀土La对复合材料微观组织和耐蚀性的影响。结果表明,复合材料中La最佳添加量为0.2%,此时复合材料中生成的TiC和Al2O3颗粒数量增多,颗粒分布均匀,棒状A13Ti被钝化,复合材料组织相对较好,自腐蚀电流密度相对较小,为4.053×10-5A·cm-2,与未添加La复合材料相比降低81%,容抗弧半径相对较大,复合材料耐腐蚀性相对较好。

关键词(KeyWords)： 原位合成;TiC-Al2O3/Al基复合材料;La;显微组织;耐蚀性

Abstract:

Keywords:

基金项目(Foundation): 内蒙古自然科学基金(2013MS0804);; 内蒙古高等学校科学研究基金(NJZZ14056);; 内蒙古工业大学校基金(ZD20120015)

作者(Author): 陈素娟,张瑞英,史志铭,李艳辉,韩小伟

DOI: 10.13289/j.issn.1009-6264.2014.11.002

参考文献(References)：

• [1]Natarajan S,Narayanasamy R,Kumaresh Babu S P,et al.Sliding wear behaviour of Al 6063/TiB2in situ composites at elevated temperatures[J].Materials and Design,2009,30(7):2521-2531.
• [2]李新梅,刘炳,董晓锋.Al2O3颗粒增强Al-Mn合金基复合材料的制备及摩擦学性能[J].材料热处理学报,2011,32(7):6-11.LI Xin-mei,LIU Bing,DONG Xiao-feng.Fabrication and friction and wear behavior of Al2O3particulates reinforced Al-Mn alloy matrix composites[J].Transactions of Materials and Heat Treatment,2011,32(7):6-11.
• [3]Rathod S,Modi O P,Prasad B K,et al.Cast in situ Cu-TiC composites:Synthesis by SHS route and characterization[J].Materials Science and Engineering A,2009,502(1-2):91-98.
• [4]Ramesh C S,Ahamed Abrar,Channabasappa B H,et al.Development of Al 6063-TiB2in situ composites[J].Materials and Design,2010,31(4):2230-2236.
• [5]Hu Q P,Luo P,Yan Y W.Microstructures,densification and mechanical properties of TiC-Al2O3-Al composite by field-activated combustion synthesis[J].Materials Science and Engineering A,2008,486(1-2):215-221.
• [6]Li H Z,Wang H J,Zeng M,et al.Forming behavior and workability of 6061/B4CP composite during hot deformation[J].Composites Science and Technology,2011,71(6):925-930.
• [7]Narayan M,Surappa M K,Pramila Bai B N.Dry sliding wear of Al alloy2024-Al2O3particle metal matrix composites[J].Wear,1995,181-183(Part2):563-570.
• [8]Zhang Q,Xiao B L,Wang Q Z,et al.In situ Al3Ti and Al2O3nanoparticles reinforced Al composites produced by friction stir processing in an Al-TiO2system[J].Materials Letters,2011,65(13):2070-2072.
• [9]Abedini A,Butcher C,Chen Z T.Numerical simulation of the influence of particle clustering on tensile behavior of particle-reinforced composites[J].Computational Materials Science,2013,73:15-23.
• [10]Zhao D G,Liu X F,Pan Y C,et al.Microstructure and mechanical properties of in situ synthesized(TiB2+Al2O3)/Al-Cu composites[J].Journal of Materials Processing Technology,2007,189(1-3):237-241.
• [11]Jana A,Siddhalingeshwar I G,Mitra R.Effect of homogeneity of particle distribution on tensile crack propagation in mushy state rolled in situ Al-4.5Cu-5TiB2particulate composite[J].Materials Science and Engineering A,2013,575:104-110.
• [12]Zhang Y J,Ma N H,Wang H W.Effect of Ti and Mg on the damping behavior of in situ aluminum composites[J].Materials Letters,2005,59(28):3775-3778.
• [13]Xue J,Wang J,Han Y F,et al.Avior of CeO2additive in in-situ TiB2particles reinforced 2014 Al alloy composite[J].Transactions of Nonferrous Metals Society of China,2012,22(5):1012-1017.
• [14]李戈扬,中江秀雄,羽根哲哉,等.铝液在Al2O3上润湿性的改善[J].材料工程,2000,(4):11-13.LI Ge-yang,ZHONG Jiang-xiuxiong,YU Gen-zhezai,et al.The Improvement of wettability of Al2O3by molten aluminum[J].Journal of Materials Engineering,2000(4):11-13.
• [15]刘佑铭.Mg和稀土CeO2在原位TiC/Al基复合材料中的行为和作用[D].湖北:武汉科技大学,2002.LIU You-ming.The behavior and effect of Mg and rare earth CeO2on in situ TiC/Al composite[D].Wuhan:Wuhan Sience and Technology University,2002.
• [16]陈亚军,许庆彦,黄天佑.稀土铝钛硼中间合金的细化能力与长效性[J].中国有色金属学报,2007,17(8):1232-1239.CHEN Ya-jun,XU Qing-yan,HUANG Tian-you.Refining performance and long time efficiency of Al-Ti-B-RE master alloy[J].The Chinese Journal of Nonferrous Metals,2007,17(8):1232-1239.
• [17]曹楚南.腐蚀电化学原理[M].北京:化学工业出版社,2008.

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