采用石墨/二硫化钼填充改性聚苯酯/聚四氟乙烯复合材料,研究了复合材料的力学性能和摩擦磨损性能.研究表明,石墨和MoS2的加入不仅能够很好地改善Ekonol/PTFE复合材料的力学性能,使复合材料的拉伸强度、弯曲强度和硬度均有所提高,而且还使Ekonol/PTFE复合材料的摩擦系数增加,磨损体积减小,耐磨性能显著提高.当Ekonol含量为5%,石墨/二硫化钼总含量为8%时,拉伸强度、弯曲强度分别提高了31%和41%,硬度值约提高了7.3%.SEM分析表明,Ekonol/石墨/MoS2/PTFE复合材料的磨损主要以粘着磨损为主.
参考文献
| [1] | 石淼森.固体润滑材料[M].北京:化学工业出版社,2000:182-183. |
| [2] | Tanala K,Uchiyama Y,Toyooka S.The mechanism of wear of polytetrafluoroethylene[J].Wear,1973,23:153-172. |
| [3] | Jia J H,Zhou H D,Gao S Q,et al.A comparative investigation of the friction and wear behavior of polyimide composites under dry sliding and water-lubricated condition[J].Materials Science and Engineering A,2003,356:48-53. |
| [4] | Li Fei,Yan Fengyuan,Yu Laigui,et al.The tribological behaviors of copper-coated graphite filled PTFE composites[J].Wear,2000,237(1):33-38. |
| [5] | Cheng Xianhua,Xue Yujun,Xie Chaoying.Tribological investigation of PTFE composite filled with lead and rare earthmodified glass fiber[J].Materials Letters,2003,57(16/17):2553-2557. |
| [6] | 黄丽,杨儒,郭江江,等.微米和纳米SiO2改性聚四氟乙烯的摩擦磨损性能[J].复合材料学报,2004,21(4):82-86.Huang Li,Yang Ru,Guo Jiangjiang,et al.Friction and wear properties of PTFE-based composites filled with micron and nanometer SiO2 particles[J].Acta Materiae Compositae Sinica,2004,21(4):82-86. |
| [7] | 赵普,刘近朱,王齐华,等.聚苯酯、聚酰亚胺填充聚四氟乙烯复合材料的摩擦学性能研究[J].材料科学与工程学报,2003,21(6):851-854.Zhao Pu,Liu Jinzhu,Wang Qihun,et al.Study on the tribological properties of Ekonol-PI-PTFE composites[J].J Mater Sci & Eng,2003,21(6):851-854. |
| [8] | 杨丽君,王齐华,宁丽平,等.碳纤维及石墨填充聚四氟乙烯复合材料的摩擦学性能研究[J].材料科学与工程学报,2004,22(5):705-708.Yang Lijun? Wang Qihun,Ning Liping,et al.Study on the tribological properties of Cr-Gr-PTFE composites[J].J Mater Sci & Eng,2004,22(5):705-708. |
| [9] | 马希晨,曹亚峰,吕秀荣,等.石墨、玻纤粉填充四氟乙烯压制品性能研究[J].中国塑料,1996,5(10):45-49.Ma Xichen,Cao Yafeng,Lü Xiurong,et al.Study of properties of PTFE molded products filled with graphite and glass fiber powder[J].China Plastics,1996,5(10):45-49. |
| [10] | Jaydeep K,Ioan N,Efstathios I M.Sliding wear behavior of PTFE composites[J].Wear,2002,252(5/6):361-369. |
| [11] | 豆立新,龚烈航,沈健,等.复合材料添加剂对改性PTFE的摩擦转移膜的形成和稳定作用[J].复合材料学报,2004,21(2):65-69.Dou Lixin,Gong Liehang,Shen Jian,et al.Effect of composite additives on the forming and stability of transfer films of modified PTFEs[J].Acta Materiae Compositae Sinica,2004,21(2):65-69. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%