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WANG Ying-chun, LI Fei-qun, LI Yan-min, DING jian-jun, LI Ji an-guo, ZHOU Yao-he. The in-situ fabricating of the bioceramic coating by laser cladding[J]. LASER TECHNOLOGY, 2004, 28(6): 572-574.
Citation: WANG Ying-chun, LI Fei-qun, LI Yan-min, DING jian-jun, LI Ji an-guo, ZHOU Yao-he. The in-situ fabricating of the bioceramic coating by laser cladding[J]. LASER TECHNOLOGY, 2004, 28(6): 572-574.
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The in-situ fabricating of the bioceramic coating by laser cladding

  • College of Materials Science and Engineering, Shanghai Jiaotong University, Shanghai 200030, China

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  • Received Date: December 16, 2003
  • Revised Date: March 02, 2004
  • Published Date: November 24, 2004
    Graphical Abstract
    • Abstract
  • The bioceramic coating is fabricaed by laser cladding directly processing the mixed power of CaHPO4·2H2O and CaCO3.It is shown that the microstructure of the coating is the granular HAP distributed in the ov erlapped club-shaped β-Ca2P2O7 and the main phases in the coating are β-Ca2P2O7 and Ca5(PO4)3(OH);there is the bonded structure of the extension growth on plane basis between the substrate and the cladding layer,typical cellular crystals in the middle of the molten layer and equiaxed crystals at the top of the cladding layer.The microstructure evolution is determined by the ratio of temperature gradient and solidification velocity(G/R) produced by laser cladding.
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    • References (12)
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