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Ocìnjuvannja ekspluatacìînoï degradaciï materialu kolektora paroperelrìvnika tes
O. Jasnìî, Tomaž Vuherer, V. Jasniî, A. Sobčak, Andriy Sorochak, 2011, original scientific article

Abstract: The influence of temperature on impact toughness of operational 12Kh1MF steel of steam superheater collector of TP-100 type boiler was investigated. It was established, that with the increase of temperature from 20 to 200 °C the impact toughness increases and in further reaches the plateau. Main dependencies of changes of steel microhardness along the thickness of collector pipe taking into consideration the distance from opening were revealed.
Keywords: trdota, mikrotrdota
Published in DKUM: 10.07.2015; Views: 723; Downloads: 24
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In-service damage of railway steel axles
O. Jasnìî, Tomaž Vuherer, Ju. I. Pindus, Andriy Sorochak, Ivan Samardžić, 2011, other scientific articles

Abstract: The influence of temperature and specimens undercut place on impact toughness of railway axle material in service is investigated. The obtained results show inversely proportional dependence of impact toughness on undercut radius of specimens. The decrease of test temperature from +20 to –40 ºC decreases significantly the impact toughness and portion of ductile fracture.
Keywords: impact toughness, in-serice damage, railway axle, undercut
Published in DKUM: 01.06.2012; Views: 1343; Downloads: 93
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