| 摘要 |
<p>Process consisting in coating the surface of the ferrous metal with a first layer of copper, in then applying onto the copper-coated surface a second layer of nickel, and in subjecting the surface thus coated with the two successive layers of copper and nickel to a heat treatment ensuring the diffusion of these two metals at a temperature of between approximately 500 DEG C and 1050 DEG C.</p> |
