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Cadmium Diffusion into Steel




Does anyone have any information concerning whether cadmium is able to diffuse into a high-carbon steel (thus causing a reduction in tensile strength)after approximately 20 years of storage at ambient conditions?

Marc Pepi
US Army - Aberdeen Proving Ground, Maryland
1999



Dear Marc, Yes the cadmium is causes warm corrosion with a temperature about over 300 °C. I don't know what that becomes in Fahrenheit. You can use a nickel layer to eliminate that corrosion about 10 microm nickel as a first layer. Regards Anders.S

Anders Sundman
Anders Sundman
4th Generation Surface Engineering
Consultant - Arvika,
Sweden

1999



Cadmium has no affinity for steel at normal room temperatures (<120 °F). That is one reason why it is difficult to stick it to steel in plating. The probability of reduction in strength by hydrogen is orders of magnitude more.

Mandar Sunthankar
- Fort Collins, Colorado
1999




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