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Information × Registration Number 0210U000648, 0109U002783 , R & D reports Title Searching of technological variants of local heat treatment for fatigue faiture resistance increase of joints of harden steels popup.stage_title Head Savytsky Mykhailo Mykhailovich, Kirian Valeriy Ivanovich, Доктор технічних наук Registration Date 03-03-2010 Organization E.O. Paton Electric Welding Institute of the National Academy of Sciences of Ukraine popup.description2 The search of technological variants of local treatment and combination of it is conducted with general heat treatment for the of resistance increase of joints of harden steels. It is set that the welded connections of the thermally softened middle-carbon alloy steel in 3-6 mm thick possesses enhanceable resistance increase of fatigue as compared to a parent metal as a result of tempering of metal of guy-sutures and thermal affected zones. The general increase of resistance a fatigue is provided the thermal improvement of the welded connection, the least the weak mestome of which is combination of guy-sutures and parent metal. Arc with melting of metal and tooling with a delete or diminishing of concentration of tensions the increase of cyclic longevity of the thermally improved connections is arrived at. On results searching researches 2 patents are got on inventions. Product Description popup.authors Книш Віталій Васильович Кулик Віктор Михайлович popup.nrat_date 2020-04-02 Close