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The goal of the present work is to investigate the influence of microstructural variables (grain size, overall yttria content and yttria distribution) and toughness on the tribological behavior of yttria-stabilised tetragonal zirconia (Y-TZP) ceramics. Unlubricated fretting tests were performed on Y-TZP ceramics against commercial hardmetal (WC-Co) ball under ambient conditions of temperature and...
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