Chinese Journal of Lasers, Volume. 45, Issue 6, 0602002(2018)

Effect of TiC Addition on Microstructures and Properties of MC Carbide Reinforced Inconel625 composites by Laser Additive Manufacturing

Shu Wang1,2, Xu Cheng1、* *, Xiangjun Tian1,2, and Jikui Zhang1
Author Affiliations
  • 1 National Engineering Laboratory of Additive Manufacturing for Large Metallic Components, Beihang University, Beijing 100191, China
  • 2 School of Materials Science and Engineering, Beihang University, Beijing 100191, China
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    Figures & Tables(12)
    Morphologies. (a) Inconel625 powder; (b) TiC powder; (c) mixed powder; (d) magnification of mixed powder
    Morphology of formed specimen
    Dimension of tensile specimen
    Microstructures. (a) Inconel625 alloy; composites for TiC with mass fraction of (b) 1%, (d) 2% and (d) 5%
    Morphologies. (a) Interdendritic particles; (b) first type of particles; (c) second type of particles
    XRD patterns. (a) Inconel625 alloy and composites; (b) 30°~42.5°
    Schematic. (a) Micro-hardness of Inconel625 alloys and composites; (b) indentation morphology of composite with TiC addition of 5%
    Friction and wear results of Inconel625 alloys and composites
    Indentation morphologies. (a) Inconel625 alloy; composites for TiC with mass fractions of (b) 1%, (d) 2% and (d) 5%
    Tensile performance comparison
    • Table 1. Chemical compositions of Inconel625 powder (mass fraction, %)

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      Table 1. Chemical compositions of Inconel625 powder (mass fraction, %)

      ElementCrMoNbFeAlTiCMnSiCoPSNi
      Content21.679.743.604.260.240.010.030.010.090.0110.0050.002Bal.
    • Table 2. Chemical compositions of white particles (atomic fraction, %)

      View table

      Table 2. Chemical compositions of white particles (atomic fraction, %)

      ParticleCKTiKNbLMoLCrKNiK
      Type A61.837.2819.155.362.403.10
      Shell of type B60.176.9423.367.571.240.69
      Core of type B61.2638.530.020.18--
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    Shu Wang, Xu Cheng, Xiangjun Tian, Jikui Zhang. Effect of TiC Addition on Microstructures and Properties of MC Carbide Reinforced Inconel625 composites by Laser Additive Manufacturing[J]. Chinese Journal of Lasers, 2018, 45(6): 0602002

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    Paper Information

    Category: laser manufacturing

    Received: Oct. 18, 2017

    Accepted: --

    Published Online: Jul. 5, 2018

    The Author Email: Cheng Xu (chengxu@buaa.edu.cn)

    DOI:10.3788/CJL201845.0602002

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