Effect of additive and current density on microstructure and texture characteristics of copper electrodeposits
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R. Manu
und Sobha Jayakrishnan
Abstract
Copper was electrodeposited at different current densities with additive modifications of the plating bath. With respect to applied current density there is modification of the microstructure as well as the physical properties of the copper deposit. There is notable change in cathodic potential, as revealed from polarization analysis, with Mw of poly ethylene glycol. The increase in current density increased crystallite size and increased the hardness of the deposit. There is significant change in grain size and shape with respect to applied current density in the case of the same kind of additives. The crystallographic orientation of the deposit has a prominent (220) plane for deposit at high current density and the ratio I(111)/I(220) decreased with increase in current density. The observed changes can be envisaged as due to the adsorption nature, nucleation characteristics with respect to various additives and also on the hydrogen evolution rate with applied current density, which influenced the deposit character.
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Artikel in diesem Heft
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- People
- People
- DGM News
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Artikel in diesem Heft
- Contents
- Contents
- Original Contributions
- Structure of composites consolidated from ball milled 7475 aluminum alloy and ZrO2 powders
- Isothermal section of the Al-Tb-V ternary system at 773 K
- Development of an atomic mobility database for disordered and ordered fcc phases in multicomponent Al alloys: focusing on binary systems
- Effect of additive and current density on microstructure and texture characteristics of copper electrodeposits
- Magnetic properties and microwave absorption properties of carbon fibers coated with FeCo alloy
- Effects of BN content on the structural and mechanical properties of a-SiBN ceramics
- Structural and relaxor characteristics of Ca0.18Sr0.226Ba0.594Nb2O6
- Study on the dielectric properties of CaCu3Ti4O12 ceramics using the one-dimensional Ising model
- Erosion wear performance of a surface diffusion alloyed coating on pure magnesium
- Evaluation of the quality of cladding deposited on continuous steel casting rolls
- Investigating the machinability of austempered ductile irons with dual matrix structures
- Simple preperation of CuO nanoparticles and submicron spheres via ultrasonic spray pyrolysis (USP)
- Fabrication of transparent Nd:YAG ceramic by vacuum sintering with CaF2 additive
- Synthesis and characterization of new Bi2FeNiO6 material using a citric acid assisted gel combustion technique
- Processing and characterization of up-converting Er3+ doped (Lu0.5Y0.5)2O3 nanophosphor
- People
- People
- DGM News
- DGM News