Improving the adhesion of electroless-nickel coating layer on diamond powder

Ahn, Jae-Woo; Kim, D.J.; Lee, Jaeryeong; Chung, Hun Saeng; Kim, C.O.; Hai, Hoang Tri

doi:10.1016/j.surfcoat.2006.05.029

Cited by 31 publications

(9 citation statements)

References 16 publications

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“…As soon as the reductant is added into the plating bath with diamond, the following reactions may happen consequently [15]: …”

Section: Mechanism Of Electroless Plating Of Ni-p On Diamondmentioning

confidence: 99%

“…Therefore, our results do not display the formation of much concentration of the Ni-P fines due to the improved plating bath. Ahn et al have also pointed out that the concentration of Ni-P fines should be reduced as much as possible on account of the fact that the existence of these fines will result in the formation of pores inside the coating layer and ultimately weaken the bonding strength between diamond and the coatings [15].…”

Section: Mechanism Of Electroless Plating Of Ni-p On Diamondmentioning

confidence: 99%

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Fabrication and thermal stability of Ni-P coated diamond powder using electroless plating

Dong

Ud-Din

et al. 2011

Int J Miner Metall Mater

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Ni-P coated diamond powder was fabricated successfully by using electroless plating. Effects of active solutions, plating time, reaction temperature, and the components of the plating bath on the Ni-P coating were investigated systematically. Moreover, a study on the thermal stability of Ni-P coated diamond under various atmospheres was performed. The results indicate that Pd atoms absorbed on the diamond surface as active sites can consequently enhance the deposition rate of Ni effectively. The optimized plating bath and reaction conditions improve both the plating speed and the coverage rate of Ni-P electroless plating on the diamond surface. Compared to the diamond substrate, the diamond coated with Ni-P films exhibits very high thermal stability and can be processed up to 900°C in air and 1300°C in protective atmosphere such as H 2 .

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“…As soon as the reductant is added into the plating bath with diamond, the following reactions may happen consequently [15]: …”

Section: Mechanism Of Electroless Plating Of Ni-p On Diamondmentioning

confidence: 99%

Section: Mechanism Of Electroless Plating Of Ni-p On Diamondmentioning

confidence: 99%

Fabrication and thermal stability of Ni-P coated diamond powder using electroless plating

Dong

Ud-Din

et al. 2011

Int J Miner Metall Mater

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“…Coating the diamond surface with a barrier layer is one especially attractive way when one considers the degradation of diamond grains at high temperatures in oxidizing and corrosive environments. [6][7][8][9][10] At present, various metal coating materials, [11][12][13][14][15][16][17][18] such as Ti, Zr, V, Cr, Mo, W, Ni, Cu, have mainly been attempted to increase diamond retention in metal or resin bonds but these coated grains are scarely considered for vitrified bonds maybe due to mismatching chemical bond. Nonmetal coatings, such as TiC, 19 Si, 20 SiC, 21 and Al 2 O 3,22 have been developed and TiC and Si coatings have been attempted to manufacture vitrified bonded diamond tools.…”

Section: Introductionmentioning

confidence: 99%

Depression Effects of Al on Oxidation of Diamond During Sintering of Diamond/Borosilicate Glass Composites

Zhang

Wang

Zang

et al. 2011

Int J Applied Ceramic Tech

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Oxidization of diamond in the sintering process of diamond/glass composites results in uncontrolled expansion with many irregular pores and low bending strength of the tools. In this paper, Al powder was used as oxygen getter due to its excellent affinity with oxygen. Its oxidization product, Al 2 O 3 , entered into glass network. Consequently, oxidization of the Ceramic Product Development and Commercialization grits was inhibited, and the wettability of diamond grits by the matrix improved. As a result, the expansion phenomenon was inhibited and the bending strength improved for all the composites. The minimum volume expansion rate and maximum bending strength were obtained for the composite with 4 wt% Al powder. This Al content resulted in a decrease of volume expansion rate from 175.2% to À10.9%, and an increase in bending strength from 11.3 to 75.1 MPa compared with the composite without Al powder.

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“…Ni-P based composite coatings display remarkable wear resistance, which makes them wide applications in the tribological performance [31][32][33][34][35]. Recently, Ni-P-CNTs composite coatings have been prepared [36][37][38][39][40].…”

Section: Introductionmentioning

confidence: 99%

Investigation of the mechanical properties of the Ni–P–CNTs coated copper composite materials: Experiments and modeling

et al. 2009

Materials Science and Engineering: A

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Improving the adhesion of electroless-nickel coating layer on diamond powder

Cited by 31 publications

References 16 publications

Fabrication and thermal stability of Ni-P coated diamond powder using electroless plating

Fabrication and thermal stability of Ni-P coated diamond powder using electroless plating

Depression Effects of Al on Oxidation of Diamond During Sintering of Diamond/Borosilicate Glass Composites

Investigation of the mechanical properties of the Ni–P–CNTs coated copper composite materials: Experiments and modeling

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