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High technology of wear-resistance increase in friction surfaces of machinery operating in hydrogen environment
Author(s) -
Анатолий Суслов,
Anatoliy Suslov,
Михаил Шалыгин,
Михаил Шалыгин
Publication year - 2017
Publication title -
naukoëmkie tehnologii v mašinostroenii
Language(s) - English
Resource type - Journals
ISSN - 2223-4608
DOI - 10.12737/24547
Subject(s) - hydrogen , granularity , materials science , surface roughness , wear resistance , surface finish , surface (topology) , metallurgy , space (punctuation) , grain size , computation , composite material , computer science , mathematics , geometry , chemistry , operating system , organic chemistry , algorithm
In the paper there is considered a problem of wear-resistance increase in parts operating in hydrogen environment. The dependence of friction surface wear taking into account their sub-roughness and hydrogen existence is shown. A technology for a friction couple wear-resistance increase is offered including surface layer granularity decrease, the reduction of hydrogen content in an inter-grain space and the introduction in the structure of parts surface layers the elements allowing filling up an inter-grain space. The results of comparative wear tests for different technologies for wear-resistance increase are shown. It is defined that the technology offered allows increasing wear-resistance in friction surfaces in machine parts. A method for account of hydrogen existence in an inter-grain space is offered and a reasonable method for obtaining a numerical value of a factor taking into account hydrogen presence used for theoretical computations.

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