Study on the tribological properties of MXene reinforced polyurethane composites under dry conditions

被引：0
|
作者：
Feng, Zhibin [1 ,2 ,3 ]
Shao, Mingchao [1 ,3 ]
Xu, Mingkun [1 ,3 ]
Zhang, Jing [1 ,2 ,3 ]
Chen, Shoubing [1 ,3 ]
Wang, Tingmei [1 ,2 ,3 ]
Wang, Qihua [1 ,2 ,3 ]
机构：
[1] Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China
[2] Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China
[3] Chinese Acad Sci, Lanzhou Inst Chem Phys, Key Lab Sci & Technol Wear & Protect Mat, Lanzhou 730000, Peoples R China
来源：
TRIBOLOGY INTERNATIONAL | 2025年 / 202卷
关键词：
Solid lubricating; Polyurethane; Transfer film; Mechanical properties; FRICTION; SURFACE; HYBRID;
D O I：
10.1016/j.triboint.2024.110348
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The mechanical properties of the polymer matrix are crucial for forming a stable and dense transfer film between the friction pairs, facilitating friction reduction and wear resistance. This work introduces a novel polyurethane composite (PUC) system, prepared by incorporating the MXene (Ti3C2Tx) into a polyurethane elastomer, which exhibits a robust strength of similar to 64 MPa and an excellent toughness of similar to 155.8 MJ/m(3). The PUC containing 0.5 wt % MXene (PUC0.5) exhibited excellent tribological properties, with the friction coefficient and wear rate (66 N, 0.54 m/s) reduced by 45.1 % and 206 % in comparison to pure PU, respectively. The excellent tribological properties of PUC0.5 are attributed to exceptional mechanical properties and low shear of MXene.
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页数：9
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