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Zepka, Susana; Yogi, Lucila Mayumi; Silva, Maria Margareth da; Reis, Danieli Aparecida Pereira; Moura Neto, Carlos de; Oliveira, Vinicius Souza de; Ueda, Mario
Associacao Brasileira de Metalurgia, Materiais e Mineracao (ABM), Sao Paulo, SP (Brazil)2010
Associacao Brasileira de Metalurgia, Materiais e Mineracao (ABM), Sao Paulo, SP (Brazil)2010
AbstractAbstract
[en] This study aims to investigate the creep resistance of the Ti-6Al-4V alloy after surface modification by plasma immersion ion implantation (PIII). For the PIII treatment it was used nitrogen gas (ion implantation) to the formation of plasma, the material was treated for 100 minutes. After PIII treatment the samples were analyzed using the techniques of X-ray diffraction, spectrometry energy dispersive X-ray and atomic force microscopy. The creep tests were realized at 600°C, at constant load of 250 and 319 MPa. After the creep tests the samples were analyzed by optical microscopy and scanning electron microscopy. By chemical analysis by X-ray and EDS it is possible to determinate the Ti_2N on the surface. Through the study of the creep curves it is observed an increasing in creep resistance of the alloy after PIII treatment. (author)
Original Title
Estudo de fluencia da liga Ti-6Al-4V apos modificacao superficial por implantacao ionica por imersao em plasma (3IP)
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2010; 9 p; 65. ABM international congress; Rio de Janeiro, RJ (Brazil); 26-30 Jul 2010; 18. IFHTSE congress: international federation for heat treatment and surface engineering; Rio de Janeiro, RJ (Brazil); 26-30 Jul 2010; 1. TMS/ABM international materials congress 2010; Rio de Janeiro, RJ (Brazil); 26-30 Jul 2010
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