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Ocìnjuvannja ekspluatacìînoï degradaciï materialu kolektora paroperelrìvnika tes
O. Jasnìî, Tomaž Vuherer, V. Jasniî, A. Sobčak, Andriy Sorochak, 2011, izvirni znanstveni članek

Opis: 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.
Ključne besede: trdota, mikrotrdota
Objavljeno v DKUM: 10.07.2015; Ogledov: 618; Prenosov: 21
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Fatigue strength of welds with various defects made by Vickers pyramide
Vladimir Gliha, P. O. Maruščak, O. Jasnìî, Tomaž Vuherer, 2011, izvirni znanstveni članek

Ključne besede: defect size fatigue strength, damageability, heat-affected zone
Objavljeno v DKUM: 10.07.2015; Ogledov: 1066; Prenosov: 25
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Dospìdžennja degradacìï osi kolìsnoïpari lokomotiva pìslja ekspluatacìï
O. Jasnìî, Tomaž Vuherer, Ju. I. Pindus, Andriy Sorochak, R.T. Biščak, 2011, izvirni znanstveni članek

Ključne besede: railway axle, impact toughness, damageability
Objavljeno v DKUM: 10.07.2015; Ogledov: 974; Prenosov: 41
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In-service damage of railway steel axles
O. Jasnìî, Tomaž Vuherer, Ju. I. Pindus, Andriy Sorochak, Ivan Samardžić, 2011, kratki znanstveni prispevek

Opis: 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.
Ključne besede: impact toughness, in-serice damage, railway axle, undercut
Objavljeno v DKUM: 01.06.2012; Ogledov: 1197; Prenosov: 91
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