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Dry-sliding and lubricated friction and wear behaviours of polyamide (PA) and ultra-high molecular weight polyethylene (UHMWPE) blend were studied using a pin-on-disc method (polymer pin sliding against a stainless steel disc) at room environment. The tribological performance of PA and UHMWPE were also investigated for the purpose of comparison. The worn surfaces were examined using a scanning electron...
In this paper, based on an orthogonal test design and analysis method, the lubricated wear performance of a ultra-high molecular weight polyethylene and polyamide (PA-6/UHMWPE) alloys were studied using a pin-on-disc method. The effects of several parameters on the wear of the PA-6/UHMWPE alloy, rubbing against a stainless steel counterface, are reported. The main purpose was to study the influence...
This paper, based on an orthogonal experimental design and analysis method, reports the wear of a blend of polyamide-6/ultrahigh molecular weight polyethylene (PA-6/UHMWPE), using a pin-on-disc test, and rubbing against a stainless steel counterface. The wear behavior of PA-6 and UHMWPE was also investigated for the purpose of comparison. The main purpose was to study the influence of the parameters:...
In this study, graded DLC coatings have been deposited on a sintered ferrous alloy substrate using the combined CFUBMS-PACVD technique. Tribological behaviour of the composite coatings has been investigated under various conditions in a continuous ball-on-disk sliding wear machine in dry air. A significant dependence of specific wear rate on diameter of wear tracks has been observed under nominally...
Sliding wear of composite DLC coatings deposited on two types of aluminium substrates. 2618 alloy and 6063 aluminium extrusion, with different surface finishes have been investigated. A transition load was usually observed, above which the whole coating layer was completely scraped off the wear surface within a short sliding time/distance. The transition load for coatings on polished substrate surfaces...
For the development of materials which could reduce adhesion and friction of soil to soil-engaging components of machines for land locomotion, Al 2 O 3 + PTFE + PPS (polyphenylene sulfide) composites were obtained by using the process of cold-pressing followed by sintering and hot-pressing. Behaviours of wettability of water and soil adhesion, abrasion and friction wear of the composites...
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