Letter 4068

Ni-W alloy plating as substitute for chrome?

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I would like to know about the current status of the technology of Nickel-Tungsten alloy plating - The last time I've heard about it was back in 1996, at that time the facts were pretty convincing regarding the deposit characteristics as being a possible candidate for Hard Chrome plating substitute. Would like to hear about it please.

Thanks

Domingos J C Spinelli
- SP Brazil

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There has been a couple of papers presented at various conferences about this coating that list properties of this coating. Ni/W coating had about 5-10 times more wear with the Taber Abrasive test. Also the plating rate was much lower than chromium. If you would like more information please feel free to contact me.

George Shahin
Atotech USA Inc.

Rock Hill, SC

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