THE EFFECT OF La ON THE CORROSION RESISTANCE OF AMORPHOUS FeCr_(8.6)Ni_(12)P_(14)B_6 ALLOY

J Chin Soc Corr Pro

1984, Vol. 4

Issue (4): 308-314 DOI:

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THE EFFECT OF La ON THE CORROSION RESISTANCE OF AMORPHOUS FeCr_(8.6)Ni_(12)P_(14)B_6 ALLOY

Pu Guigen; Feng Pinyi; Yu Longfei and Chen Nienyi(Shanghai Institute of Metallurgy; Academia Sinica) Yu Zhlzhong(Shanghai Institute of Measuring and Testing Technology)

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Abstract It was found that the addition of a small amount of La significantly improved the corrosion resistance of amorphous FeCr_(8.6)Ni_(12)P_(14)B_6 alloy. The addition of 0.075％ La to this alloy imparts to it moderate corrosion resistance in a 4N HCl solution(with corrosion rate less than 10~(-2)mm/year). The surface of the La-containing alloy and its counterpart sample without La addition was analysed by AES and XPS method. It can be seen that the La-containing alloy has a thinner and denser passive surface film with better corrosion resistance.

Received: 25 August 1984

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Pu Guigen; Feng Pinyi; Yu Longfei and Chen Nienyi(Shanghai Institute of Metallurgy; Academia Sinica) Yu Zhlzhong(Shanghai Institute of Measuring and Testing Technology). THE EFFECT OF La ON THE CORROSION RESISTANCE OF AMORPHOUS FeCr_(8.6)Ni_(12)P_(14)B_6 ALLOY. J Chin Soc Corr Pro, 1984, 4(4): 308-314.

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https://www.jcscp.org/EN/ OR https://www.jcscp.org/EN/Y1984/V4/I4/308

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