期刊
MATERIALS
卷 14, 期 3, 页码 -出版社
MDPI
DOI: 10.3390/ma14030701
关键词
glass fibre; basalt fibre; polymer composites; adhesive wear; abrasive wear; erosive wear; reciprocating adhesive wear
类别
资金
- Fundamental Research Grant Scheme (FRGS) [600-IRMI/FRGS 5/3 (336/2019)]
- Universiti Putra Malaysia
Basalt fibre reinforced polymer (BFRP) composite shows better wear resistance and friction properties compared to Glass fibre reinforced polymer (GFRP) composite under different test conditions. Different wear mechanisms are observed in scanning electron microscopy examination for each test conducted.
Basalt fibre is a promising mineral fibre that has high potential to replace synthetic based glass fibre in today's stringent environmental concern. In this study, friction and wear characteristics of glass and basalt fibres reinforced epoxy composites were studied and comparatively evaluated at two test stages. The first stage was conducted at fixed load, speed and distance under three different conditions; adhesive, abrasive and erosive wear, wherein each composite specimens slide against steel, silicon carbide, and sand mixtures, respectively. The second stage was conducted involving different types of adhesive sliding motions against steel counterpart; unidirectional and reciprocating motion, with the former varied at pressure-velocity (PV) factor; 0.23 MPa center dot m/s and 0.93 MPa center dot m/s, while the latter varied at counterpart's configuration; ball-on-flat (B-O-F) and cylinder-on-flat (C-O-F). It was found that friction and wear properties of composites are highly dependent on test conditions. Under 10 km test run, Basalt fibre reinforced polymer (BFRP) composite has better wear resistance against erosive sand compared to Glass fibre reinforced polymer (GFRP) composite. In second stage, BFRP composite showed better wear performance than GFRP composite under high PV of unidirectional sliding test and under B-O-F configuration of reciprocating sliding test. BFRP composite also exhibited better friction properties than GFRP composite under C-O-F configuration, although its specific wear rate was lower. In scanning electron microscopy examination, different types of wear mechanisms were revealed in each of the test conducted.
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