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IN SITUSYNTHESIS OFTiC–TiB2REINFORCEDFeCrSiBCOMPOSITE COATING BY LASER CLADDING

Author

Listed:
  • BAOSHUAI DU

    (School of Materials Science and Engineering, Shandong University, Jinan 250061, P.R. China)

  • ZENGDA ZOU

    (School of Materials Science and Engineering, Shandong University, Jinan 250061, P.R. China)

  • XINHONG WANG

    (School of Materials Science and Engineering, Shandong University, Jinan 250061, P.R. China)

  • QINGMING LI

    (School of Materials Science and Engineering, Shandong University, Jinan 250061, P.R. China)

Abstract

TiCandTiB2reinforced iron based metal matrix composite (MMC) coating was synthesized on mild carbon steel by laser cladding employingB4C, ferrotitanium, andFeCrSiBmixed powders. The microstructure and chemical composition were analyzed by means of SEM, EPMA, and XRD. Results show that the coating mainly consists ofα–Fe(Ni),TiB2,TiC,B6Fe23,Cr2B, andM23C6.TiB2, andTiCreinforcements are formedin situthrough the reaction betweenB4Cand ferrotitanium. Hardness and wear measurement results show that the hardness and wear resistance of the composites are much higher than that of the as-received sample.

Suggested Citation

  • Baoshuai Du & Zengda Zou & Xinhong Wang & Qingming Li, 2007. "IN SITUSYNTHESIS OFTiC–TiB2REINFORCEDFeCrSiBCOMPOSITE COATING BY LASER CLADDING," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 14(02), pages 315-319.
    • Handle: RePEc:wsi:srlxxx:v:14:y:2007:i:02:n:s0218625x07009414
    DOI: 10.1142/S0218625X07009414
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