Deformation-activated martensitic transformation in coatings obtained by hypersonic metallisation of high-chromium steel
Marat Belotserkovsky,
Aleksandr Grigorchik,
Vladimir Kukareko
Abstract:he structural-phase state and wear resistance of coatings from high-chromium AISI 420 and A756 steels obtained by hypersonic metallisation (HM) were studied. It has been shown that coatings from martensitic steels after deposition contain an increased amount of metastable austenitic phase. In particular, 15 vol.% γ-faze is registered in a AISI 420 steel coating, and 70 vol.% γ-faze in a A756 steel coating. It has been established that during friction of hypersonic metallisation coatings of high-chromium steels… Show more
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