Gold Electroplating

Name: Gold Electroplating
Brand: VDM Verlag
SKU: 9783639288452
Price: 438.68 RON
Availability: InStock

Studies on Formulations for Gold Alloy Plating Bath to Produce Different shades of Electrodeposits

Autor: C.W.Zanariah Ngah, Norita Mohamed

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Editura: VDM Verlag

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438.68 lei

Details regarding formulation studies of gold plating baths have always been hindered by patent. The...

Informații despre carte

Autor

C.W.Zanariah Ngah, Norita Mohamed

Limbă

engleză

Legare

Carte - Carte broșată

Publicat

2010

Pagini

236

EAN

9783639288452

ISBN

3639288459

Enbook ID

06835975

Editura

VDM Verlag

Greutate

349

Dimensiuni

152 x 229 x 14

Descriere completă

Details regarding formulation studies of gold plating baths have always been hindered by patent. The bath constituents are always referred to as proprietary. Also colored gold plating remains much of an empirical art rather than the science and thus a large extent depends on the experience of the electroplaters. Systematic studies on formulations for gold alloy plating baths were carried out to investigate the effect of each metal Ag, Pd, Ni, and In and both Ag-Pd and Ni-In added in the plating baths on the shades of gold films. Addition of Ag and Ag-Pd in the plating baths gives three different shades of deposits, while adding Ni-In reveal gold color close to 2N-18 Yellow. EDAX analyses proved the formations of binary Au-Ag, Au-Pd, Au-Ni and ternary Au-Ag-Pd, Au-Ni-In gold electrodeposited gold alloys. Further investigations shows that the sizes of the crystal structures are very small with Ra values 4.48 to 50.05 nm. SEM images of the gold deposits indicate very smooth surfaces. While AFM image show the transition from faceted pyramidal-like island features to distorted square structures stacked up in terraces and ridge features for certain samples.

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Gold Electroplating

Studies on Formulations for Gold Alloy Plating Bath to Produce Different shades of Electrodeposits

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