以Al、TiO2、C为原材料,用接触反应法制备了TiC-Al2O3/Al复合材料,采用XRD和SEM手段测定了材料的相组成、组织形貌及相分布,分析了碳含量对组织的影响.试验结果表明,该复合材料主要由分布于Al基体中的球状或近球状的TiC颗粒、不规则的Al2O3颗粒和少量的TiAl3组成,且随含碳量的增加,TiAl3,减少;当C和TiO2比超过1.5后,TiAl3基本消失,但出现TiC2相.
参考文献
| [1] | Lee J H;Ko S K;Won C W .Combustion characteristics of TiO2/Al/C system[J].Materials Research Bulletin,2001,36(7-8):1157-1167. |
| [2] | Qiaodan Hu;Peng Luo;Youwei Yan .Microstructures, densification and mechanical properties of TiC–Al_2O_3–Al composite by field-activated combustion synthesis[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2008(1/2):215-221. |
| [3] | A. DEMIR;N. ALTINKOK .Effect of gas pressure infiltration on microstructure and bending strength of porous Al_2O_3/SiC-reinforced aluminium matrix composites[J].Composites science and technology,2004(13/14):2067-2074. |
| [4] | Leszek A. Dobrzanski;Anna Wlodarczyk;Marcin Adamiak .The structure and properties of PM composite materials based on EN AW-2124 aluminum alloy reinforced with the BN or Al_2O_3 ceramic particles[J].Journal of Materials Processing Technology,2006(1/3):186-191. |
| [5] | Nakae Hideo;WU Shu-sen .Engulfment of Al2O3 particles during solidification of aluminum matrix composites[J].Materials Science and Engineering A,1998,252:232-238. |
| [6] | Yu Zhi-qiang;WU Gao-hui;SUN Dong-li .Coating of Y2O3 additive on Al2O,powder and its effect on the wetting behafiour in the system Al2O3p/Al[J].Materials Letters,2003,57:3111-3116. |
| [7] | Molina JM;Saravanan RA;Narciso J;Louis E .Surface modification of 2014 aluminium alloy - Al2O3 particles composites by nickel electrochemical deposition[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2004(2):299-306. |
| [8] | C. A. LEON;R. A. L. DREW .Preparation of nickel-coated powders as precursors to reinforce MMCs[J].Journal of Materials Science,2000(19):4763-4768. |
| [9] | Shao N;Dai J w;Ha G Y et al.Effect of La on the wettability of Al2O3 by molten aluminurn[J].Materials Letters,2004,58:2041-2044. |
| [10] | K. H. Baik .Interfacial reaction and fracture behavior of cobalt-coated Al_2O_3 reinforced aluminum composites[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2003(1/2):79-87. |
| [11] | KOU Shengzhong,XU Guangji,DING Yutian.Effect of High-energy Ball Milling on Synthetic Reaction in Al- TiO2- C System[J].武汉理工大学学报（材料科学版）英,2005(04):50-54. |
| [12] | Xia TD.;Zhao WJ.;Ma BY.;Wang TM.;Liu TZ. .Self-propagating high-temperature synthesis of Al2O3-TiC-Al composites by aluminothermic reactions[J].Journal of Materials Science,2001(23):5581-5584. |
| [13] | 寇生中 .XD反应合成Al2O3.TiCP/Al复合材料的热力学及动力学过程研究[D].兰州:兰州理工大学,2005. |
| [14] | Mohanty P S;Gruzleski J E .Mechanism of grain refinement in aluminium[J].Acta Metallurgical et Matefialia,1995,43(05):2001-2012. |
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