在低温条件(80℃)下,以钛酸丁酯为原料,利用胶溶-回流法在氧化铝粉体表面制备了纳米TiO2颗粒.通过扫描电镜、X射线衍射、X光电子能谱仪、BET等检测手段对复合颗粒的表面形貌、包覆层相组成、比表面积等进行了表征.结果表明,纳米TiO2颗粒在微粉表面形成纳米薄膜修饰层,包覆层主要为锐钛矿型相,表面纳米化修饰后氧化铝粉体表面的粗糙度显著增加,比表面积较包覆前提高了30倍以上.将经表面纳米化修饰后的微粉应用于以有机硅改性环氧树脂为基体的耐磨涂层中,其磨损失重仅为包覆前复合耐磨涂层的55％,耐磨性显著提高,并初步讨论了复合耐磨涂层的摩擦磨损性能.
参考文献
| [1] | 丛巍巍,周张健,宋书香,姚伟志,马垚,葛昌纯.纳米填料对环氧涂料防腐耐磨性能影响的研究[J].表面技术,2008(01):71-74. |
| [2] | A. P. Harsha .An investigation on low stress abrasive wear characteristics of high performance engineering thermoplastic polymers[J].Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear,2011(5/6):942-951. |
| [3] | 崔海萍,闫军,叶明惠.超细氧化铝粉体的表面改性研究[J].材料科学与工艺,2008(03):407-409. |
| [4] | Huiyong Rong;Zhijian Peng;Yuanbiao Hu;Chengbiao Wang;Wen Yue;Zhiqiang Fu;Xuping Lin .Dependence of wear behaviors of hardmetal YG8B on coarse abrasive types and their slurry concentrations[J].Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear,2011(7/8):1156-1165. |
| [5] | 史丽萍,何春霞,顾红艳,姬长英.表面处理Al2O3增强PTFE基复合材料的摩擦学性能[J].中国塑料,2003(05):36-39. |
| [6] | Xian Jia;Xiaomei Ling .Influence of Al{sub}2O{sub}3 reinforcement on the abrasive wear characteristic of Al{sub}2O{sub}3/PA1010 composite coatings[J].Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear,2005(9):1342-1347. |
| [7] | 盖国胜,杨玉芬,郝向阳,樊世民,蔡振芳.无机矿物填料表面纳米化修饰及性能表征[J].无机材料学报,2005(05):1189-1194. |
| [8] | Y.-F. Yang;G.-S. Gai;S.-M. Fan .Surface nano-structured particles and characterization[J].International Journal of Mineral Processing,2006(2):78-84. |
| [9] | 付剑侠,杨玉芬,解强,周守发,姜信敏,盖国胜.粉石英包覆二氧化钛制备复合粉体的研究[J].中国矿业大学学报,2010(03):386-390. |
| [10] | Yang Yu-Fen;Gai Guo-Sheng;Cai Zhen-Fang;Chen Qing-Ru .Surface modification of purified fly ash and application in polymer[J].Journal of hazardous materials,2006(1/3):276-282. |
| [11] | Parvaiz, M.R.;Mohanty, S.;Nayak, S.K.;Mahanwar, P.A. .Effect of surface modification of fly ash on the mechanical, thermal, electrical and morphological properties of polyetheretherketone composites[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2011(13/14):4277-4286. |
| [12] | 师巨亮,钱冬杰,刘淑凤,范翊,罗劲松,蒋大鹏,张立功.高能球磨制备纳米级Al2O3/Al复合粉体过程中铝相晶粒尺寸和结构的变化[J].机械工程材料,2009(12):30-32,53. |
| [13] | Li Chang;Zhong Zhang;Lin Ye;Klaus Friedrich .Tribological properties of high temperature resistant polymer composites with fine particles[J].Tribology International,2007(7):1170-1178. |
| [14] | S. Watson;D. Beydoun;J. Scott;R. Amal .Preparation of nanosized crystalline TiO_2 particles at low temperature for photocatalysis[J].Journal of nanoparticle research: An interdisciplinary forum for nanoscale science and technology,2004(2/3):193-207. |
| [15] | 闫军,崔海萍,王彬,杜仕国.Sn离子促进纳米TiO2颗粒低温制备及机理分析[J].人工晶体学报,2010(02):407-411,415. |
| [16] | 杨思蓉,崔勇,刘实.多孔氧化铝的制备及表征[J].原子能科学技术,2010(08):934-940. |
| [17] | Leong YW.;Abu Bakar MB.;Ishak ZAM.;Ariffin A.;Pukanszky B. .Comparison of the mechanical properties and interfacial interactions between talc, kaolin, and calcium carbonate filled polypropylene composites[J].Journal of Applied Polymer Science,2004(5):3315-3326. |
| [18] | 宋浩杰,张招柱,罗状子.纳米和微米TiO2对聚四氟蜡/聚氨酯复合涂层摩擦磨损性能的影响[J].摩擦学学报,2005(06):525-529. |
| [19] | 张爱民,陈建敏,吕晋军,阎逢元.2024铝合金在干摩擦往复运动条件下的磨损图研究[J].摩擦学学报,2002(02):94-98. |
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