Modelling of the hardness of electroplated nickel coatings on copper substrates

Tuck, Jonathan R.; Korsunsky, Alexander M.; Davidson, RI; Bull, SJ; Elliott, D.

doi:10.1016/s0257-8972(00)00537-5

Cited by 84 publications

(44 citation statements)

References 11 publications

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“…The evaluation of the coating hardness using noisy experimental results remains acceptable whether the diamond penetration depth is weak or strong. This result is contrary to the assertions generally found in the bibliography, which state that the JH model gives a poor fit when the indentation depth is shallower than the coating thickness or at the substrate-dominated end [14,15,[17][18][19][31][32][33]. This contradiction is due to an incorrect use of the model by these authors.…”

Section: Resultscontrasting

confidence: 79%

“…As underlined in the model presentation, it is necessary to take into account the hardness variation of the load without any simplifying hypotheses. Korsunsky et al [17,18] and Beegan et al [33] claim that this model is observed to break down when tested outside the range of experimental values. We show in a recent paper [34] that this affirmation is related to an erroneous application of this model, which is in contradiction to its physical meaning.…”

Section: Resultsmentioning

confidence: 99%

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A comparison of models for predicting the true hardness of thin films

et al. 2012

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Section: Resultscontrasting

confidence: 79%

Section: Resultsmentioning

confidence: 99%

A comparison of models for predicting the true hardness of thin films

et al. 2012

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“…Gubicza et al [152] suggested a method of obtaining H from W u /W tot . Bull and co-workers [153][154][155] extended the work of indentation concept to the modeling of composite hardness of multilayer thin films and coatings. Suresh and co-workers also found relationships among (W tot À W u )/W tot , h f / h m , and H/E * using finite element calculations [156].…”

Section: Work Of Indentationmentioning

confidence: 99%

Scaling, dimensional analysis, and indentation measurements

Cheng

2004

Materials Science and Engineering: R: Reports

935

512

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We provide an overview of the basic concepts of scaling and dimensional analysis, followed by a review of some of the recent work on applying these concepts to modeling instrumented indentation measurements. Specifically, we examine conical and pyramidal indentation in elastic-plastic solids with power-law workhardening, in power-law creep solids, and in linear viscoelastic materials. We show that the scaling approach to indentation modeling provides new insights into several basic questions in instrumented indentation, including, what information is contained in the indentation load-displacement curves? How does hardness depend on the mechanical properties and indenter geometry? What are the factors determining piling-up and sinking-in of surface profiles around indents? Can stress-strain relationships be obtained from indentation load-displacement curves? How to measure time dependent mechanical properties from indentation? How to detect or confirm indentation size effects? The scaling approach also helps organize knowledge and provides a framework for bridging micro-and macroscales. We hope that this review will accomplish two purposes: (1) introducing the basic concepts of scaling and dimensional analysis to materials scientists and engineers, and (2) providing a better understanding of instrumented indentation measurements. # 2004 Published by Elsevier B.V.

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“…Electrolytic method of deposition is selected when it is required to have some control over the crystallite size, surface morphology and orientation of Ni which in turn significantly affects surface related properties of the coatings. Conventionally, Ni coatings have been prepared using dc electrochemical methods [4][5][6][7] . More recently, use of pulse electrodeposition has become popular since it results in Ni coatings with refined grain structure 8,9 and attractive corrosion [10][11][12] and tribological properties [13][14][15][16][17][18] .…”

Section: Introductionmentioning

confidence: 99%

Corrosion Behavior of Coarse- and Fine-Grain Ni Coatings Incorporating NaH2PO4.H2O Inhibitor Treated Substrates

et al. 2015

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Plain carbon steel substrates were treated with NaH2PO4.H2O inhibitor for 24 hours and coated with Ni using dc and pulse electrodeposition in standard Watt's bath. The effect of dc and pulse electrodeposition, on the microstructure and corrosion properties of Ni coatings in 3.5 wt% NaCl solution was studied. The effect of inhibitor on the deposition process and corrosion behavior was also examined. Materials characterization was performed using field emission scanning electron microscopy, cross-sectional scanning transmission electron microscopy, atomic force microscopy, x-ray diffraction and nanoindentation. Experimental results indicated that pulse electrodeposition produced fine grained Ni coatings that showed lower corrosion rate compared to coarse grained dc electrodeposited Ni. Pretreatment of substrates with inhibitor did not adversely affect the deposition process and adherent Ni coatings were readily developed. The results showed that pulse electrodeposition could be used to produce hard corrosion resistant Ni coatings while the inhibitor treatment yielded enhanced corrosion protection by providing a protective buffer layer between the Ni coating and the substrate.

show abstract

Modelling of the hardness of electroplated nickel coatings on copper substrates

Cited by 84 publications

References 11 publications

A comparison of models for predicting the true hardness of thin films

A comparison of models for predicting the true hardness of thin films

Scaling, dimensional analysis, and indentation measurements

Corrosion Behavior of Coarse- and Fine-Grain Ni Coatings Incorporating NaH2PO4.H2O Inhibitor Treated Substrates

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