THE SYNERGETIC EFFECT OF NaCl AND WATER VAPOR ONTHE CORROSION BEHAVIOR OF PURE Ni AT 600℃-700℃

J Chin Soc Corr Pro

2003, Vol. 23

Issue (5): 262-265 DOI:

Research Report

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THE SYNERGETIC EFFECT OF NaCl AND WATER VAPOR ONTHE CORROSION BEHAVIOR OF PURE Ni AT 600℃-700℃

Shujiang Geng;Shenglong Zhu;Fuhui Wang

中科院金属所;金属腐蚀与防护国家重点实验室

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Abstract The corrosion behavior of pure nickel with solid Na Cl deposit in dry air or in wet oxygen at 600℃-700℃ was studied.The results in di cated that corrosion was more severe at 700℃than that at 600℃.Furthermore,the mass gain of the specimen with solid NaCl deposit in dry air at 700℃ was very o bvious.But the mass loss of the specimen with solid NaCl deposit in wet oxygen a t 700℃ was obvious.The corroded samples were examined by scanning electron micr oscopy (SEM) with energy dispersive X-ray (EDX) and X-ray diffraction (XRD).The relevant corrosion mechanism was also discussed.

Key words: pure Ni NaCl water vapor corrosion

Received: 25 March 2002

ZTFLH:

TG174.4

Corresponding Authors: Shujiang Geng

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Shujiang Geng; Shenglong Zhu; Fuhui Wang. THE SYNERGETIC EFFECT OF NaCl AND WATER VAPOR ONTHE CORROSION BEHAVIOR OF PURE Ni AT 600℃-700℃. J Chin Soc Corr Pro, 2003, 23(5): 262-265 .

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https://www.jcscp.org/EN/ OR https://www.jcscp.org/EN/Y2003/V23/I5/262

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