Exploration of Effect of Thermal Cycling Treatment on Mechanical and Tribological Performance of Polyimide Composites

被引：0
|
作者：
Wang, YanMing [1 ,2 ]
Wang, YiZheng [1 ,2 ]
Wu, ZhiCheng [1 ,2 ]
Zhang, XiaoLiang [1 ,2 ]
Li, FeiBo [1 ,2 ]
Wang, GuangShuo [1 ,2 ]
Li, ZongQi [1 ,2 ]
Mu, JingBo [1 ,2 ]
Li, Ping [1 ,2 ]
Zhang, ZhiXiao [1 ,2 ]
Wang, ZeHu [1 ,2 ]
Gao, XiaoHong [1 ,2 ]
机构：
[1] Hebei Univ Engn, Coll Mat Sci & technol, Technol innovat Ctr modified plast Hebei Prov, Handan, Peoples R China
[2] Key Lab New Inorgan Nonmet Composite Handan, Handan, Peoples R China
来源：
TRIBOLOGY TRANSACTIONS | 2023年 / 66卷 / 04期
基金：
中国国家自然科学基金;
关键词：
Polyimide composites; thermal cycling treatment; tribological and mechanical properties; FIBER; BEHAVIOR; WEAR;
D O I：
10.1080/10402004.2023.2217548
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Polyimide (PI) and PI composites reinforced with glass fiber (GF), and aramid fiber (AF) were fabricated with hot-pressing technology. Then polyimide and its composites were treated with a thermal cycling (TC) condition from -50 degrees C to 150 degrees C with 300 cycles continuously. Compared with the samples without TC treatment, the fracture morphologies, mechanics, and tribological properties of the samples were studied. The results showed that, based on the fractographic morphologies, the phenomenon of fiber stripping could be obviously observed in the PI composite materials after TC treatment. Compared with before TC treatment, the friction coefficients (FC) and wear rates (WR) of PI and PI composites showed different variations, respectively. In conclusion, TC treatment had a great influence on the morphologies of the worn surface and the composition of transfer film. As the shear force increased, the elemental analysis demonstrated that GF was extruded into the groove.
引用
收藏
页码：634 / 644
页数：11
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