Deposição de Filmes de Carbono Tipo Diamante em Liga Aeronáutica de Aço Inoxidável 15-5PH Visando Aumento de Propriedades Mecânicas

Alessandro M. Candido; Lúcia Vieira; Paulo H. S. Carvalho

doi:10.19142/rpq.v21i38.808

Alessandro M. Candido Universidade do Vale do Paraíba
Lúcia Vieira Universidade do Vale do Paraíba https://orcid.org/0000-0002-9354-6533
Paulo H. S. Carvalho Universidade do Vale do Paraíba

DOI: https://doi.org/10.19142/rpq.v21i38.808

Palavras-chave: diamond-like carbon (DLC), aço inoxidável 15-5 PH, tratamentos superficiais

Resumo

Este estudo teve como principal finalidade revestir a superfície da liga de aço 15-5 PH com filmes de carbono tipo diamante. As deposições foram efetuadas utilizando a técnica de PECVD. O Carbono Tipo Diamante (DLC) é um material amplamente empregado para revestimentos superficiais, representando uma forma metaestável do carbono amorfo que contém ligações sp3 e sp2, características do diamante e do grafite. Essa composição permite unir propriedades de ambos os materiais, como excelente resistência ao desgaste e um baixo coeficiente de atrito. Foram realizadas análises detalhadas para avaliar as propriedades estruturais e mecânicas, incluindo espectroscopia Raman, perfilometria, MEV e tribometria. A presente pesquisa busca aprofundar os processos de tratamento superficial, com o objetivo de aumentar a durabilidade de peças e componentes.

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