Hexagonal boron nitride (h-BN)/polyetheretherketone (PEEK) composites with different mass fractions were prepared by blending and high-temperature molding.The laser flash method was used to test the thermal conductivity of the composite.The universal mechanical tester and Rockwell hardness tester were used to test the mechanical properties of the composite.The friction and wear tester was used to test the tribological properties of the composite under different friction and lubrication conditions.The scanning electron microscope was used to observe the worn surface.The results shown that the thermally conductive filler h-BN improved the thermal conductivity and tribological properties of the composite.Compared with pure PEEK,the thermal conductivity of the composite was increased by 156% to 1.522W/(m·K).The friction coefficient of the composite was decreased by about 50% under dry conditions,the lowest being 0.22.Under water lubrication conditions,the wear volume was decreased almost by 80%.
Wang Wendong, He Changzhao, Zhang Chao, Zou Hua
. Study on tribological property of high thermal conductivity h-BN/PEEK composite[J]. New Chemical Materials, 2020
, 48(8)
: 66
-70
.
DOI: 10.19817/j.cnki.issn 1006-3536.2020.08.014
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