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Purpose: The objective of this work was to determine the influence of microstructure changes on GJS-HV300(SiNiCr2-3) cast iron tribological properties. Modification of the investigated cast iron microstructure was carried out by the heat treatment. Design/methodology/approach: The tribological tests were performed on the T05 tester at a load of 100 N. Bearing steel 100Cr6 of a hardness of 57 HRC was...
W pracy przedstawiono wyniki badań zmian mikrostruktury odkuwki rozwieracza ran (narzędzia używanego w chirurgii urazowej) wykonanego ze stopu tytanu Ti-6Al-4V. Zmiany mikrostruktury stopu zostały spowodowane lokalnym nagrzaniem odkuwki do zakresu temperatury występowania fazy β i chłodzeniem. W wyniku takich warunków odkształcania i chłodzenia badanego stopu uzyskano duże zróżnicowanie morfologii...
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