Erosion-oxidation behavior of thermal sprayed Ni20Cr alloy and WC and Cr3C2 cermet coatings
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2005
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Materials Research
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An apparatus to conduct high temperature erosion-oxidation studies up to 850°C and with particle impact velocities up to 15 m.s-1 was designed and constructed in the Corrosion Laboratories of IPEN. The erosion-oxidation behavior of high velocity oxy fuel (HVOF) sprayed alloy and cermet coatings of Ni20Cr, WC 20Cr7Ni and Cr3C2Ni20Cr on a steel substrate has been studied. Details of this apparatus and the erosion-oxidation behavior of these coatings are presented and discussed. The erosion-oxidation behavior of HVOF coated Cr3C2 25(Ni20Cr) was better than that of WC 20Cr7Ni, and the erosion-oxidation regimes have been identified for these coatings at particle impact velocity of 3.5 m.s -1, impact angle of 90° and temperatures in the range 500 to 850°C.
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KUNIOSHI, C.T.; CORREA, O.V.; RAMANATHAN, L.V. Erosion-oxidation behavior of thermal sprayed Ni20Cr alloy and WC and Cr3C2 cermet coatings. Materials Research, v. 8, n. 2, p. 125-129, 2005. DOI: 10.1590/S1516-14392005000200005. Disponível em: http://repositorio.ipen.br/handle/123456789/5517. Acesso em: 21 Feb 2025.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.