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EFFECT OF MAGNETRON-SPUTTEREDAlFILM ON LOW-TEMPERATURE PACK-ALUMINIZING COATING FOR OIL CASING STEELN80

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  • MIN HUANG

    (Zhejiang Provincial Key Laboratory for Cutting Tools, TaiZhou University, TaiZhou 318000, P. R. China;
    School of Materials Science and Engineering, Xi'an Shiyou University, Xi'an 710065, P. R. China)

  • YU WANG

    (Zhejiang Provincial Key Laboratory for Cutting Tools, TaiZhou University, TaiZhou 318000, P. R. China)

  • MENG-XIAN ZHANG

    (Zhejiang Provincial Key Laboratory for Cutting Tools, TaiZhou University, TaiZhou 318000, P. R. China)

  • YAN-QIU HUO

    (Zhejiang Provincial Key Laboratory for Cutting Tools, TaiZhou University, TaiZhou 318000, P. R. China)

  • PENG-JIN GAO

    (Zhejiang Provincial Key Laboratory for Cutting Tools, TaiZhou University, TaiZhou 318000, P. R. China)

Abstract

Low-temperature aluminizing coating was prepared onto the surface of oil casing steelN80with a magnetron-sputteredAlfilm to improve its corrosion resistance. Results show that magnetron-sputteredAlfilm is able to form gradient aluminide coating, composed of iron aluminideFeAl3,Fe2Al5andFe3Alwith different contents of aluminum. Both the density and continuity of iron aluminide layer for oil casing steelN80with magnetron-sputteredAlfilm can be improved. Under the same corrosion condition, aluminized oil casing steelN80with a magnetron-sputteredAlfilm shows an outstanding corrosion resistance than those of original and aluminized ones without magnetron-sputteredAlfilm. The positive effect ofAlfilm is considered as the concentration change of activeAlatom for diffusion to form the aluminizing coating during the pack processing.

Suggested Citation

  • Min Huang & Yu Wang & Meng-Xian Zhang & Yan-Qiu Huo & Peng-Jin Gao, 2014. "EFFECT OF MAGNETRON-SPUTTEREDAlFILM ON LOW-TEMPERATURE PACK-ALUMINIZING COATING FOR OIL CASING STEELN80," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 21(04), pages 1-6.
    • Handle: RePEc:wsi:srlxxx:v:21:y:2014:i:04:n:s0218625x1450053x
    DOI: 10.1142/S0218625X1450053X
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