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Metal Finishing Information Services

Online Resources - Troubleshooting

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Electrodeposited Nickel

Defect

Typical cause

Analysis to confirm cause

Remedy

Adhesion poor (directly after plating or in service)

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Brittle deposits

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Dark deposits in the mid/low current density range

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Dull deposit in the mid or low current density range.

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Internal stress high promoting distortion, cracking, blistering or exfoliation of deposits. (Internal stress can be measured using various “bending strip methods)

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Levelling poor

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Passive deposits (when used as an undercoat for other metals such as chromium)

Subscribers only

Pitting

Subscribers only

Rough/burnt deposits in high CD areas

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Roughness in mid/low CD areas

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