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EFFECT OF DISPERSEDSiCPARTICLES ON THE OXIDATION OF AZ91D MAGNESIUM ALLOYS BETWEEN 420 AND 500°C IN AIR

Author

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  • THUAN DINH NGUYEN

    (School of Advanced Materials Science and Engineering, Sungkyunkwan University, Suwon 440-746, Korea)

  • YOUNG-JIG KIM

    (School of Advanced Materials Science and Engineering, Sungkyunkwan University, Suwon 440-746, Korea)

  • JAE CHUN LEE

    (Department of Materials Science and Engineering, Myongji University, Yongin 449-728, Korea)

  • SEON-JIN KIM

    (Division of Materials Science and Engineering, Hanyang University, Seoul 133-791, Korea)

  • DONG-BOK LEE

    (School of Advanced Materials Science and Engineering, Sungkyunkwan University, Suwon 440-746, Korea)

Abstract

AZ91D magnesium alloys with and without dispersedSiCparticles were oxidized between 420 and 500°C in air. They oxidized to fineMgOoxide grains containing dissolved ions ofAl. Their oxidation rates increased almost linearly, with an increase in the oxidation temperature and time.SiCparticles did not oxidize during oxidation, and increased the oxidation resistance of the alloy through diminishing the exposed surface area. With the increase in the amount of the dispersedSiCparticles from 5 to 10, and to 20 wt.%, the oxidation resistance progressively increased.

Suggested Citation

  • Thuan Dinh Nguyen & Young-Jig Kim & Jae Chun Lee & Seon-Jin Kim & Dong-Bok Lee, 2010. "EFFECT OF DISPERSEDSiCPARTICLES ON THE OXIDATION OF AZ91D MAGNESIUM ALLOYS BETWEEN 420 AND 500°C IN AIR," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 17(01), pages 9-14.
    • Handle: RePEc:wsi:srlxxx:v:17:y:2010:i:01:n:s0218625x10013564
    DOI: 10.1142/S0218625X10013564
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    Keywords

    Magnesium; AZ91D; silicon carbide; oxidation;
    All these keywords.

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