Effects of Concentration of Alkaline Treated SF on the Tribological Properties of POM Composites Filled with LDPE and Sisal Fibers

被引：0
|
作者：
Li, Wenjuan [1 ]
Xiang, Dinghan [1 ]
Lu, Yi [1 ]
Ma, Jiaoling [1 ]
机构：
[1] Guilin Univ Elect Technol, Coll Mat Sci & Engn, Guilin 541004, Peoples R China
来源：
ADVANCED MATERIALS, PTS 1-3 | 2012年 / 415-417卷
关键词：
Composites; Polyoxymethylene; Sisal fiber; Alkaline treatment; Friction and wear;
D O I：
10.4028/www.scientific.net/AMR.415-417.94
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Polyoxymethylene (POM) composites filled with low-density polyethylene (LDPE) and sisal fibers (SF) were prepared by extrusion and injection molding. Sisal fibers were treated by various concentrations of NaOH solution to improve the poor compatibility between SF and matrix. Fourier transform infrared spectroscopy (FTIR) analysis and scanning electron microscope (SEM) test were used to confirm the surface treatment. The effects of SF alkaline treatment on the mechanical and tribological properties of POM composites were determined by using tensile test, impact test and friction and wear test. The worn surfaces of composites were investigated by SEM. Results showed that the composite filled with 12.5% NaOH treated SF exhibited the optimal mechanical and tribological properties among the all composites. The major wear mechanism of the composites was adhesive wear and abrasive grain wear.
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页码：94 / 99
页数：6
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