Anais Do XXXVII Congresso Brasileiro De Sistemas Particulados 2015
DOI: 10.5151/enemp2015-fi-412
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Obtenção E Caracterização De Ligas De Fe-W Destinadas À Proteção Anticorrosiva

Abstract: RESUMONeste trabalho foram sintetizadas, por eletrodeposição, ligas de tungstênio usando o ferro como metal indutor. Os ensaios de eletrodeposição foram realizados segundo um planejamento experimental 2 3 com 3 pontos centrais, de modo que foi analisada a influência da densidade de corrente elétrica, concentração do ferro no banho eletrolítico e temperatura sobre a eficiência de eletrodeposição. As melhores ligas obtidas foram caracterizadas utilizando microscopia eletrônica de varredura (MEV), difração de Rai… Show more

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“…Nevertheless, it is not possible to electrodeposit pure tungsten, either through aqueous electrochemical baths or oily electrolytic baths [4,5]. This occurs due to the codeposition of hydrogen and the fact that tungsten is a reluctant metal to electrodeposit [6]. However, this phenomenon can occur with metals from the iron group (e.g., Fe, Co, Ni, and others), and it is performed without major difficulties through the "induced codeposition" process [7].…”
Section: Introductionmentioning
confidence: 99%
“…Nevertheless, it is not possible to electrodeposit pure tungsten, either through aqueous electrochemical baths or oily electrolytic baths [4,5]. This occurs due to the codeposition of hydrogen and the fact that tungsten is a reluctant metal to electrodeposit [6]. However, this phenomenon can occur with metals from the iron group (e.g., Fe, Co, Ni, and others), and it is performed without major difficulties through the "induced codeposition" process [7].…”
Section: Introductionmentioning
confidence: 99%