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Gold deposition from 1-butyl-1-methyl-pyrrolidinium dicyanamide ionic liquid at...

Sá, A. I. Correia de; Eugénio, S.; Quaresma, S.; Rangel, C. M.; Vilar, R.

In this work, the deposition of gold on copper substrates from solutions of HAuCl4.3H2O in 1-butyl-1-methylpyrrolidinium dicyanamide was studied. Deposition was carried out in open-circuit and under potentiostatic control at temperatures from 293 to 353 K, in normal atmosphere, with deposition conditions allowing water from atmospheric absorption up to 0.8 wt.%. Films of gold were obtained by both methods. Dep...

Data: 2013   |   Origem: Repositório do LNEG

Electrochemical aspects of black chromium electrodeposition in 1-butyl-3-methyl...

Eugénio, S.; Baskaran, I.; Rangel, C. M.; Vilar, R.

Data: 2010   |   Origem: Repositório do LNEG

Alternative baths for the gold electrodeposition based on 1-butyl-1-methyl-pyrr...

Sá, A. I. Correia de; Quaresma, S.; Eugénio, S.; Rangel, C. M.; Vilar, R.

Data: 2010   |   Origem: Repositório do LNEG

Gold electrodeposition from ionic liquids: an alternative to conventional aqueo...

Sá, A. I. Correia de; Rangel, C. M.; Quaresma, S.; Eugénio, S.; Vilar, R.

Data: 2010   |   Origem: Repositório do LNEG

Microstructural changes due to laser surface melting of an AISI 304 stainless s...

d’Oliveira,A.S.C.M.; Paredes,R.S.C.; Weber,F.P.; Vilar,R.

Several techniques can be used to improve surface properties. These can involve changes on the surface chemical composition (such as alloying and surface welding processes) or on the surface microstructure, such as hardening and melting. In the present work surface melting with a 3kW CO2 cw laser was done to alter surface features of an AISI 304 stainless steel. Microstructure characterisation was done by optic...

Data: 2001   |   Origem: OASIS br

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Fundação para a Ciência e a Tecnologia Universidade do Minho   Governo Português Ministério da Educação e Ciência Programa Operacional da Sociedade do Conhecimento União Europeia