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Effect of Cu on the Hydrogen Induced Cracking of the Pipe Line Steel
Transactions of the Iron and Steel Institute of Japan
Synopsis The effect oj Cu Oil the hydrogell illduced cracking oj the pipe line steel was studied electrochemically and metallographically ill detail. It was Jound out that, if the addition oj Cu was more than 0.2 % , hydrogen illduced crackillg could be effectively suppressed. This is because addition oj Cu enhances the Jormation oj tight and adherent suiface film. This film was Jound to be quite protective, decreasing the corrosion rate greatly. As a result , the volume oj the hydrogen evolveddoi:10.2355/isijinternational1966.18.149 fatcat:vdzgk2s4evdyhlygqowtop2vye