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Zagórski, Andrzej
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Topics
Publications (11/11 displayed)
- 2024New approach to alpha-titanium mechanical properties enhancement by means of thermoplastic deformation in mid-temperature range
- 2019The Structure and Tribological Properties of Ni/MoS2 Composite Layers Formed on Aluminum and Its Alloys
- 2019The Effect of Organic Additives on the Microstructure, Microhardness and Friction Coefficient of Ni/WS2 Composite Coatingscitations
- 2017Acoustic Emission Testing of Cryogenic Pipelines in Operating Conditionscitations
- 2017Nitrogen as an alloying element improving material properties of the high carbon cast steel for ball mill liner platescitations
- 2017Evaluation of Acoustic Emission from Damaged CFRP Sheets for Air Industry Applications
- 2015Research into the Possibilities for Monitoring Technical Conditions of Underground Pipelines Using Acoustic Emissioncitations
- 2013Studying the effectiveness of the NiCrN alloy forging process
- 2007Peculiarities of hydrogen effect on the creep process in the Cr-Ni-Mo steel
- 2007Creep of degraded 2.25Cr-Mo steel in hydrogencitations
- 2004Corrosion and stress-corrosion cracking of exploited storage tank steelcitations
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article
Creep of degraded 2.25Cr-Mo steel in hydrogen
Abstract
The results of creep tests of 2.25 Cr-Mo steel are used to show that the secondary creep rate in a gaseous hydrogen is higher than in air both for the metal in the intact state and after its operation in the technological processes of hydrocracking of petroleum. This means, first, that the properties of the metal guaranteeing its serviceability in the initial period of its service are exhausted in the process of operation and, second, that hydrogen affects both the degradation and creep processes. Indeed, hydrogen intensifies the diffusion processes and, hence, accelerates the degradation of the metal and facilitates creep.