THE SYNERGETIC EFFECT OF NaCl AND WATER VAPORON THE CORROSION BEHAVIOR OF K38G ALLOYAND ITS NANOCRYSTALLINE COATING AT 600℃-700℃

J Chin Soc Corr Pro

2003, Vol. 23

Issue (4): 193-197 DOI:

Research Report

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THE SYNERGETIC EFFECT OF NaCl AND WATER VAPORON THE CORROSION BEHAVIOR OF K38G ALLOYAND ITS NANOCRYSTALLINE COATING 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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Shujiang Geng; Shenglong Zhu; Fuhui Wang. THE SYNERGETIC EFFECT OF NaCl AND WATER VAPORON THE CORROSION BEHAVIOR OF K38G ALLOYAND ITS NANOCRYSTALLINE COATING AT 600℃-700℃. J Chin Soc Corr Pro, 2003, 23(4): 193-197 .

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Abstract The sputtered nanocrystalline coating of K38G alloy was obtained by means of magnetron sputtering.The corrosion behavior of cast K3 8G alloy and its sputtered nanocrystalline coating with a solid NaCl deposit in dry air or in wet oxygen at 600℃～700℃ was studied.The results indicated that the mass gain of the coating was higher than that of the cast alloy.Nanocrystall ization reduced corrosion resistance of the K38G alloy.The relevant corrosion me chanisms were discussed.

Key words: K38G sputtered nanocrystalline coating NaCl water vapo r corrosion

Received: 26 November 2001

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TG174.4

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https://www.jcscp.org/EN/ OR https://www.jcscp.org/EN/Y2003/V23/I4/193

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