Method for providing a diffusion barrier

C - Chemistry – Metallurgy – 23 – C

Patent

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Details

204/14, 117/74.5

C23C 26/00 (2006.01) C23C 8/16 (2006.01) C23C 28/00 (2006.01) G21C 3/20 (2006.01)

Patent

CA 1106242

ABSTRACT OF THE DISCLOSURE: A method of manufacturing a diffusion resistant, copper clad, zirconium alloy tube comprising: furnishing a tube constructed of a zirconium alloy materials depositing a copper lining on at least the internal surfaces of said tubes and contacting at least the internal copper-lined surfaces of the tube with steam at a temperature in the range of 200 to 550°C until a barrier of zirconium dioxide is formed between the copper lining and the zirconium based alloy.

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