Investigation on Tribological Behaviors of Nylon 1010 Filled with Ceramic Powders

Tribological and tensile properties of nylon 1010 composite,filled with micro scale ceramic powder with surface treatment by silane coupling agents(KH-550),was investigated.Ceramic powders increased friction coefficient of the composite as well as decreased wear rate,and it also improved the composite's tensile strength in a certain range of contents.Ring on block tests show that ceramic/nylon composite with 5%~25% ceramic powder exhibited friction coefficient as high as 0.46,and friction coefficient decreased to 0.41 when containing 30%~40% ceramic powder.Ceramic/nylon composite with 5%~40% ceramic powder exhibited lower wear rate which is only 26%~42% of that pure nylon did.Ceramic powder improves nylon's mechanical properties,and its surface hardness increased linearly as fraction of ceramic powder increased.Ceramic powder increase tensile strength by 16.7% due to better bonding between ceramic powder and nylon.Ceramic/nylon composite exhibited lower wear rate because some surface nylon melted and shallow grooves formed instead of adhesion dominated in wear of pure nylon.