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ZHANG Song, WANG Mingsheng, ZHANG Kaixiang, ZHANG Chunhua, YAN Yonggen. CoNiCrAlY alloy deposited on surface of SCH13 steel by laser cladding[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2010, (5): 49-52.
Citation: ZHANG Song, WANG Mingsheng, ZHANG Kaixiang, ZHANG Chunhua, YAN Yonggen. CoNiCrAlY alloy deposited on surface of SCH13 steel by laser cladding[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2010, (5): 49-52.
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CoNiCrAlY alloy deposited on surface of SCH13 steel by laser cladding

  • 1.

    School of Materials Science and Engineering, Shenyang University of Technology, Shenyang 110023, China

  • 2.

    Baoshan Iron & Steel Co., Ltd., Shanghai 201900, China

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  • Received Date: September 08, 2009
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    • Abstract
  • The surface of SCH113 steel was deposited with CoNiCrAlY alloy by a high power CO2 laser.Through,the excellent coatings can be acquired by the optimized process pa-rameters.The micro-structure,composition,hardness and corro-sive resistance of the coating were examined by scanning electron microscope (including EDS microanalysis) ,X-ray diffraetome-try,micro thickness meter,wear test machine.The results indi-cated that the coating of CoNiCrAlY alloy has a good metallurgi-cal combination with SCH13 steel,and the other characteristics such as fine microstructure,no cracks,low dilution rate and the smooth transition of elements at the interface.The coatings were consisted of γ-Co,FeCr0.29Ni0.16C0.06,FeNi,CoCx and Cr23C6 phases.The average microhardness of the coating is 3 times higher than that of the SCH13 steel.Furthermore,the wear re-sistance of laser cladded coating is 3.42 times higher than that of the matrix.
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