High tribology performance of Poly(vinylidene fluoride) composites based on three-dimensional mesoporous magnesium oxide nanosheets
作者： Min Su Park , Hyeong-Seok Sung , Cheol Hun Park , Tong-Seok Han , Jong Hak Kim
DOI: 10.1016/J.COMPOSITESB.2018.10.096
关键词:
摘要: Abstract Three-dimensional mesoporous MgO nanosheets (MgO_NS) were synthesized by a facile non-hydrothermal method for the improvement of tribological properties poly(vinylidene fluoride) (PVDF) composites. The interactions and structural MgO_NS composites systematically compared with those commercially available beads (MgO_B). It was found that incorporation decreased polar β phase PVDF crystallinity owing to an intimate contact good between filler matrix. Recipro-mode tribology tester results long measurement time 3 h showed friction coefficients increasing content both MgO_B MgO_NS, indicating important role as self-lubricating material. In particular, PVDF/MgO_NS 5.0% composite exhibited outstanding initial coefficient 0.091 specific wear rate 1.8 × 10−5 mm3/N m MgO_B, this performance being among best PVDF-based indicated their small crystal size, large surface area, dispersion, matrix more effective than randomly organized MgO_B.
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