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A study has been made of the sliding wear behaviour of ultrahigh molecular weight polyethylene (UHMWPE) against a smooth counterface of partially stabilized zirconia (PSZ) in distilled water and in saline solution containing small additions of synovial fluid and up to 15% of albumen.The results have shown that the addition of proteins to the lubricating medium leads to a lowering of wear rates and...
A study has been made of the sliding wear behaviour of untreated and ion implanted ultra high molecular weight polyethylene (UHMWPE) against a surface modified titanium alloy (Ti-6Al-4V) using a pin on disc apparatus. It was found that the presence of water lubrication and a very smooth counterface was necessary to maintain low wear rates of the UHMWPE. A zero wear effect was observed when nitrogen...
The wear of materials used on machinery operating in a wide range of industrial situations such as mining, energy production and agriculture can cause serious inefficiencies, sudden breakdowns and consequential financial losses. Our work over two decades has concerned industrial problems encountered in South African industry, and laboratory simulations of abrasion, abrasion plus corrosion, adhesive...
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