Electroless plating of rhenium-based alloys with nickel, cobalt and iron

Duhin, Alla; Inberg, Alexandra; Eliaz, Noam; Gileadi, E.

doi:10.1016/j.electacta.2015.06.033

Cited by 15 publications

(14 citation statements)

References 25 publications

(34 reference statements)

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“…[1,2] Interest in electroless deposition [3,4] and electrodeposition [5][6][7][8][9][10][11][12][13][14][15][16] of Re and its alloys has recently emerged. [1,2] Interest in electroless deposition [3,4] and electrodeposition [5][6][7][8][9][10][11][12][13][14][15][16] of Re and its alloys has recently emerged.…”

Section: Introductionmentioning

confidence: 99%

“…[1,2] Interest in electroless deposition [3,4] and electrodeposition [5][6][7][8][9][10][11][12][13][14][15][16] of Re and its alloys has recently emerged. Herein, we present atomic-scale structural and atomic part-per-million level three-dimensional (3D) chemical characterization of a Re-Ni coating, combining aberration-corrected scanning transmission electron microscopy (STEM) and atom-probe tomography (APT).…”

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confidence: 99%

“…">IntroductionRhenium (Re) is a refractory metal with a unique combination of chemical, physical, and mechanical properties that makes it attractive for high-temperature, catalytic, energy, electrical, biomedical, and other applications, in spite of its high cost. [1,2] Interest in electroless deposition [3,4] and electrodeposition [5][6][7][8][9][10][11][12][13][14][15][16] of Re and its alloys has recently emerged. Electroplating of pure Re yields poor deposition results.…”

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confidence: 99%

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Atomic‐Scale Structural and Chemical Study of Columnar and Multilayer Re–Ni Electrodeposited Thermal Barrier Coating

et al. 2016

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Rhenium alloys exhibit a unique combination of chemical, physical, and mechanical properties that makes them attractive for a variety of applications. Herein, we present atomic-scale structural and atomic part-per-million level three-dimensional (3D) chemical characterization of a Re-Ni coating, combining aberration-corrected scanning transmission electron microscopy (STEM) and atom-probe tomography (APT). A unique combination of a columnar and multilayer structure is formed by singlebath dc-electroplating and is reported here for the first time. Alternating thicker Re-rich and thinner Ni-rich layers support a mechanism in which Ni acts as a reducing agent. The multilayers exhibit hetero-epitaxial growth resulting in high residual shear stresses that lead to formation of corrugated interfaces and an outer layer with mud-cracks. IntroductionRhenium (Re) is a refractory metal with a unique combination of chemical, physical, and mechanical properties that makes it attractive for high-temperature, catalytic, energy, electrical, biomedical, and other applications, in spite of its high cost. [1,2] Interest in electroless deposition [3,4] and electrodeposition [5][6][7][8][9][10][11][12][13][14][15][16] of Re and its alloys has recently emerged. Electroplating of pure Re yields poor deposition results. The addition of salts of the iron-group metals (Ni, Fe, and Co) to the plating bath improves, however, the coating dramatically, allowing deposition of thick layers of the

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Section: Introductionmentioning

confidence: 99%

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Atomic‐Scale Structural and Chemical Study of Columnar and Multilayer Re–Ni Electrodeposited Thermal Barrier Coating

et al. 2016

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“…Rhenium (Re) is a refractory metal with a unique combination of properties that makes Re and its alloys attractive for a variety of high-temperature, catalytic, energy, electrical and biomedical applications, in spite of its high cost [1][2][3]. At present, the main manufacturing processes for Re and its alloys are powder metallurgy [1,2] and chemical vapor deposition [3], and to a lesser extentelectroless plating [4][5][6] and electrodeposition .…”

Section: Introductionmentioning

confidence: 99%

Electrodeposition of Re-Ni alloys from aqueous solutions with organic additives

Eliaz

Gileadi

2016

Thin Solid Films

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In this study, Re-Ni alloys with high Re content were electrodeposited on copper substrates from aqueous solutions containing additives with a combination of vanillin, sodium lauryl sulfate and gelatin. The bath additives were found to have a significant effect on the chemical composition, surface morphology and cracking pattern. The morphology of the alloy was changed from uniformly smooth without additives to relatively coarse-grained with three additives. The deposition rate and crack density decreased when additives were added to a bath containing 34 mM 4 Re O  , 124 mM Ni 2+ and 343 mM [Cit] 3-. Almost pure Re films were formed at low Ni 2+ concentration of 30-50 mM due to the effect of additives; however, the deposited film was thin. A thin layer of Re oxide, a new Re-O-C-complex state and some organic residues from additives were formed at the surface of the Re film. Both the Re-rich alloy and the Re film were found to have an amorphous structure.

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“…Electroless plating has been widely used as an industrial process since the nineteenth century [17]. This method is rather simple and inexpensive; it operates at rather low temperatures, offers high selectivity and enables selfaligned and auto-catalytic depositions on nonconductive surfaces [17]- [23]. A conventional electroplating process of metals on top of ABS is divided into two major steps: (1) surface preparation and (2) metal plating [16].…”

Section: Electroless Plating Of Goldmentioning

confidence: 99%

Gold Plating on AM-FDM ABS Components

et al. 2019

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Fused Deposition Modeling is one of the most common Additive Manufacturing methods for polymers. For some applications, parts manufactured by this method need post-printing surface coating. The present research aims at examining the surface finishing properties of Fused Deposition Modeling Acrylonitrile Butadiene Styrene parts coated for the first time with laboratory-developed electroless gold. Such coating can be applied for electrical purposes and as a decorative cover for 3D-printed prototypes, as well as on top of printed replicas of archaeological artifacts. Gold was deposited by electroless plating on top printed disk-shaped specimens, making them look like an ancient artifact. The electroless gold film was studied by various methods, including dimensions and mass measurements, qualitative pilling test, multifocal light microscopy, optical profilometer and X-ray diffraction analysis. The gold layer thickness was studied as a function of deposition time. The laboratory-developed electroless gold coating was deposited from a cyanide free bath and was compared to a commercial one deposited from a cyanide bath. The results displayed high-quality gold, and a satisfactory appearance. The roughness of the laboratory gold plated samples was somewhat reduced as the thickness of the gold film was increased, and the surface appearance was improved correspondingly. The developed gold coating can be adapted for various applications, including 3D printed artifacts for museum exhibitions.

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Electroless plating of rhenium-based alloys with nickel, cobalt and iron

Cited by 15 publications

References 25 publications

Atomic‐Scale Structural and Chemical Study of Columnar and Multilayer Re–Ni Electrodeposited Thermal Barrier Coating

Atomic‐Scale Structural and Chemical Study of Columnar and Multilayer Re–Ni Electrodeposited Thermal Barrier Coating

Electrodeposition of Re-Ni alloys from aqueous solutions with organic additives

Gold Plating on AM-FDM ABS Components

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