采用高速混合、冷压烧结成型的方法通过填充改性制备BaSO4/PTFE复合材料,利用M-200型摩擦磨损试验机研究复合材料在干摩擦条件下的摩擦学行为,考察BaSO4用量对复合材料摩擦磨损性能的影响,并采用扫描电子显微镜对试样磨损表面进行观察和分析,揭示摩擦磨损机理.结果表明,BaSO4可显著提高复合材料的耐磨损性能,在用量为30%时,耐磨损性能与纯PTFE相比提高了两个数量级;PTFE以粘着磨损为主,随着BaSO4用量增加,磨粒磨损逐渐占主导,粘着磨损逐渐减少,并最终表现出疲劳磨损特征.
参考文献
| [1] | 何燕.聚四氟乙烯的生产应用与市场[J].四川化工与腐蚀控制,2003(01):34-41. |
| [2] | 缪京媛;叶牧.氟塑料加工与应用[M].北京:化学工业出版社,1987 |
| [3] | PLUNKETT R J .Tetrafluoroethylcne polymers[P].US Patent,2,230,654,1941-02-04. |
| [4] | HOLLENBAUGH Donald L;MCGREGOR Gordon L;MI-NOR Raymond B .Low creep polytetrafluoroethylene gasketins element[P].US Patent,6,089,576,2000-07-18. |
| [5] | KOSHIRAI Atsunori;TAKAYAMA Nobuhisa;YANAGASE Akira .Polytetrafluoroethylene-containing powder mixtures,thermoplastic resin compositions including same and molded articles made therefrom[P].US Patent,6,025,441,2000-02-15. |
| [6] | KITAHARA Takahiro;HOSOKAWA Kazumka;HOSOKAWATetsuo SHIMIZU .Polytetrafluoroethylene fine powders and their use[P].US Patent,6,503,988 B1,2003-01-07. |
| [7] | Gerlinde Kempe;Hans-Joachim Kunne;Gunther Lassig;Wolfgang Tietze;Reinhard Zettl .Development of Gaskets on the Basis of New PTFE Microfibres[J].Chemical Engineering & Technology: Industrial Chemistry -Plant Equipment -Process Engineering -Biotechnology,1998(11):869-872. |
| [8] | 颜录科,寇开昌,张飞,丁美平.改性聚四氟乙烯的研究进展[J].中国塑料,2007(05):6-10. |
| [9] | HOSOKA W A Kazutaka;UCHIDA Tatsuro;YANO Shinichi et al.Modified polytetrafluoroethylene fine powder and process for preparing the same[P].US Patent,6,747,108 B1,2004-06-08. |
| [10] | 回素彩,陈旭.填充改性聚四氟乙烯复合材料的性能[J].塑料工业,2004(08):4-7. |
| [11] | 卡茨H S;米路西凯J V.塑料用填料及增强剂手册[M].北京:化学工业出版社,1982 |
| [12] | 丁美平,唐玉生,党婧,寇开昌,顾军渭.BaSO4填充改性聚四氟乙烯复合材料的制备[J].高分子材料科学与工程,2009(03):130-133. |
| [13] | 陈向荣,姜文军.硫酸钡填充聚四氟乙烯复合材料的摩擦磨损性能研究[J].塑料,2003(02):23-25. |
| [14] | 王晓波,冯治中,阎逢元.SiO2填充聚四氟乙烯复合材料的摩擦学行为研究[J].润滑与密封,2002(01):48-49,47. |
| [15] | UNAL H;MIMAROGLU A;KADIOGLU U et al.Sliding friction and wear behaviour of polytetrafluoroethylene and its composites under dry conditions[J].Materials & Design,2004,25(03):239-245. |
| [16] | Gao Jintang .Tribochemical effects in formation of polymer transfer film[J].Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear,2000(1/2):100-106. |
| [17] | 宋明斌,张立祥,沈兆龙,黄文浩.聚丙烯腈填充聚四氟乙烯复合材料摩擦磨损性能研究[J].材料工程,2006(10):52-55. |
| [18] | 汪怀远,冯新,史以俊,何鹏,陆小华.不同介质中聚四氟乙烯复合材料的摩擦磨损性能[J].化工学报,2007(04):1053-1058. |
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