The banded structure of Ni-P electrodeposits

Nee, C. C.; Weil, R.

doi:10.1016/0376-4583(85)90043-3

Cited by 29 publications

(7 citation statements)

References 5 publications

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“…These fluctuations, which result in variations of the phosphorus content, are postulated as being caused by hydrogen evolution, which raises the pH. The resulting stirring action then lowered the pH by mixing the plating solution adjacent to the deposit with the bulk of the bath [41][42][43]. Since alkaline baths are more pH dependent than acidic baths, in general, lamellar structure can be seen in alkaline baths.…”

Section: Morphology-semmentioning

confidence: 95%

Structure and phase transformation behavior of electroless Ni–P alloys containing tin and tungsten

Balaraju

Jahan

Jain

et al. 2007

Journal of Alloys and Compounds

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Section: Morphology-semmentioning

confidence: 95%

Structure and phase transformation behavior of electroless Ni–P alloys containing tin and tungsten

Balaraju

Jahan

Jain

et al. 2007

Journal of Alloys and Compounds

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“…Alternate metal ion depletion and enrichment in the diffusion layer caused by hydrogen evolution variations occurs during the electrodeposition process (Nee and Weil 1985). This cyclic change in composition results in the formation of a layered structure corresponding to higher and lower concentrations of phosphorus (Nee and Weil 1985). …”

Section: Synthesis Of Multilayered Materialsmentioning

confidence: 99%

Microstructural and Mechanical Characterization of Multilayered Iron Electrodeposits

Chan

McCrea

Palumbo

et al. 2011

AMR

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Multilayered iron electrodeposits composed of alternating layers of coarsegrained iron (grain size: 1.87 µm; (110) texture; hardness: 177 VHN) and fine-grained iron (grain size: 132 nm; (211) texture; hardness: 502 VHN), with layer thicknesses ranging from ~0.2-7 µm were successfully synthesized. The average hardness of the multilayered electrodeposits increased from 234 VHN to 408 VHN with decreasing layer thickness, consistent with a Hall-Petch type behaviour. In three-point bending tests, they failed in a macroscopically brittle manner although local ductility was observed in certain layers. Fractography analysis has shown that strain incompatibility between alternating layers contributes to the brittle nature of these materials. This study has demonstrated the possibility of applying a multilayered structure design to tailor the microstructure and mechanical properties of electrodeposited iron.iii ACKNOWLEDGEMENTS

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“…In addition to surface modification by varying the etching conditions, it is possible to manipulate the mesoscale compositional modulations themselves during electrodeposition. Self-assembled compositional modulations in conventional electrodeposits can be manipulated through synthesis parameters such as temperature, duty cycle, and plating current [27]. Periodic adjustments to these parameters during deposition of nanocrystalline electrodeposits could be used to modify the compositional modulations and provide a mechanism for controlling the resultant band structure.…”

Section: Resultsmentioning

confidence: 99%

Mesoscale Compositionally Modulated Nanocrystalline Ni‐Fe Electrodeposits for Nanopatterning Applications

Egberts

Hibbard

2008

Journal of Nanomaterials

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A considerable range of surface nanostructures can be fabricated by the selective dissolution of elements or phases from metallic alloys. Selectively etched electrodeposited multilayers may find useful application in optoelectronic and MEMS devices. One issue with electrodeposited multilayers is that the fine-scale multilayer structure can often exhibit significant waviness if the band layer spacing is on the same order of magnitude as the grain size. In the present study, the mean grain size was reduced to below 10 nm in a compositionally modulated Ni-Fe alloy. Preferential etching on the electroform cross-section resulted in highly uniform and directional surface channels. The evolution of this nanopatterned surface morphology was characterized by atomic force microscopy and directional roughness parameters were obtained.

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The banded structure of Ni-P electrodeposits

Cited by 29 publications

References 5 publications

Structure and phase transformation behavior of electroless Ni–P alloys containing tin and tungsten

Structure and phase transformation behavior of electroless Ni–P alloys containing tin and tungsten

Microstructural and Mechanical Characterization of Multilayered Iron Electrodeposits

Mesoscale Compositionally Modulated Nanocrystalline Ni‐Fe Electrodeposits for Nanopatterning Applications

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