Duxin Li
Central South University
Network
Latest external collaboration on country level. Dive into details by clicking on the dots.
Publication
Featured researches published by Duxin Li.
Journal of Thermoplastic Composite Materials | 2016
Yi-Lan You; Duxin Li; Gao-Jie Si; Ruoyun Lv; Xin Deng
Improvement in the tribological properties of the polyamide 6 (PA6) with various fillers, for example, talc, glass fiber (GF), combined solid lubricants such as graphite, and ultrahigh-molecular-weight polyethylene was systematically studied. The results revealed that GF could reduce the coefficient of friction (COF) and wear rate of pure PA6 more efficiently than talc, and the optimum content was 15 wt%. The COF and wear rate increased with the increase of load, except the wear rate of the composite with 20 and 25 wt% GF, which decreased with the increase of load. The incorporation of combined solid lubricants to PA6 contributed to increases in COF and wear rate. Further addition of 15 wt% GF enhanced the tribological properties remarkably. To further understand the wear mechanism, the worn surfaces were examined using scanning electron microscopy.
The Scientific World Journal | 2013
Duxin Li; Ying Xie; Wen-Juan Li; Yi-Lan You; Xin Deng
The effects of polytetrafluoroethylene (PTFE), graphite, ultrahigh molecular weight polyethylene (UHMWPE), and their compounds on mechanical and tribological properties of glass-fiber-reinforced polyamide 6 (PA6/GF) were studied. The polymeric materials were blended using twin-screw extruder and subsequently injection molded for test samples. Mechanical properties were investigated in terms of hardness, tensile strength, and impact strength. Friction and wear experiments were run under ambient conditions at a rotating speed of 200 rpm and load of 100 N. The morphologies of the worn surfaces were also observed with scanning electron microscope. The results showed that graphite could increase the tensile strength of PA6/GF-15 composite, but the material became soft. Graphite/UHMWPE complex solid lubricants were effective in increasing the already high impact strength of PA6/GF-15 composite. 5% PTFE gave the maximum reduction in the coefficient of friction. However, PTFE/UHMWPE complex solid lubricants were the best choice for improving both friction and wear behaviors due to the lower friction coefficient and mass wear rate. Moreover, the worn surface of PA6 composites revealed that adhesive wear, abrasive wear, and fatigue wear occurred in this study.
Materials & Design | 2013
Duxin Li; Yi-Lan You; Xin Deng; Wen-Juan Li; Ying Xie
Wear | 2014
Yi-Lan You; Duxin Li; Gao-Jie Si; Xin Deng
Wear | 2010
Duxin Li; Xin Deng; Jin Wang; Jun Yang; Xiangxiang Li
Polymer Composites | 2016
Qi Zhang; Duxin Li; Dengwang Lai; Yi-Lan You; Baoli Ou
Polymer Composites | 2013
Yi-Lan You; Duxin Li; Xin Deng; Wen-Juan Li; Ying Xie
Polymer Composites | 2014
Baoli Ou; Zhihua Zhou; Qingquan Liu; Bo Liao; Yan Xiao; Juncheng Liu; Xin Zhang; Duxin Li; Qiuguo Xiao; Shaohua Shen
Materials & Design | 2010
Xin Deng; Aixue Liu; Jin Wang; Jun Yang; Duxin Li
Polymer Composites | 2017
Gao-Jie Si; Duxin Li; Yi-Lan You; Xi Hu