2020
DOI: 10.1590/s1517-707620200002.1007
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Aspectos microestruturais e do comportamento mecânico de revestimento duro depositado pelo processo arame tubular

Abstract: RESUMO Diversos tipos de revestimentos duros com materiais especiais depositados por soldagem têm sido utilizados como um método de combate ao desgaste abrasivo para aumentar a vida útil de equipamentos e reduzir custos com paradas para manutenção não programada. Este trabalho avaliou a incidência de trincas, as características microestruturais e o comportamento mecânico de revestimento duro das ligas FeCrC e FeCrC+Nb, depositados sobre chapas de aço AISI 1020 pelo processo de soldagem arame tubular auto prote… Show more

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“…The microstructure is composed of primary chromium carbides, type M 7 C 3 , distributed by the eutectic matrix formed by austenite and chromium carbides. Similar microstructures were also obtained by LUZET et al [24], and GENG et al [25], and WANG et al [26].…”
Section: Reliability Of Modelssupporting
confidence: 86%
“…The microstructure is composed of primary chromium carbides, type M 7 C 3 , distributed by the eutectic matrix formed by austenite and chromium carbides. Similar microstructures were also obtained by LUZET et al [24], and GENG et al [25], and WANG et al [26].…”
Section: Reliability Of Modelssupporting
confidence: 86%