Laser & Optoelectronics Progress, Volume. 59, Issue 19, 1916002(2022)

Microstructure and Mechanical Properties of Laser-Formed GH3536 Alloy

Liming Liu1, Zhenwu Peng2, Lairong Xiao2、*, Huan Wang1, Xiaojun Zhao2, Zhenyang Cai2, and Wei Tan2
Author Affiliations
  • 1Beijing Power Machinery Research Institute, Beijing 100074, China
  • 2School of Materials Science and Engineering, Central South University, Changsha 410083, Hunan, China
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    Figures & Tables(11)
    LCD forming GH3536 alloy specimen
    Dimension diagrams of tensile specimen
    Internal defects of GH3536 alloy. (a) ×50; (b) ×500
    Microstructure of GH3536 alloy formed by LCD. (a) Morphology of forming zone, bonding zone, and substrate; (b) ×100 morphology of bonding zone; (c) ×500 morphology of bonding zone; (d) ×200 morphology of forming zone; (e) ×500 morphology of forming zone
    EBSD image of the LCD forming GH3536 samples
    SEM images and EDS analysis results of LCD forming GH3536 alloy. (a) Second phase image of forming zone; (b) second phase image of bonding zone; (c) EDS analysis result of P1; (d) EDS analysis result of P2
    Vickers hardness of LCD forming GH3536 alloy in different regions
    Fracture morphology of longitudinal tensile specimen at room temperature. (a) Sample morphology after breaking; (b) tensile fracture morphology; (c) ×2000; (d) isometric dimple
    Fracture morphology of transverse tensile specimen at room temperature. (a) Tensile fracture morphology;(b) second cracks; (c) ×5000; (d) isometric dimple
    • Table 1. Chemical composition of GH3536 alloy powder

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      Table 1. Chemical composition of GH3536 alloy powder

      ElementCrFeMoCoWCNi
      Mass fraction %21.8018.908.841.460.620.52Bal.
    • Table 2. Mechanical properties of laser forming GH3536 alloy

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      Table 2. Mechanical properties of laser forming GH3536 alloy

      Testing directionTensile strength /MPaYield strength /MPaElongation /%Elastic modulus /GPa
      Transverse specimen855.3581.219.7220
      Longitudinal specimen760.2530.627.4207

      Forming

      zone

      824.2540.923.4213
      Substrate704.5294.417.1191
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    Liming Liu, Zhenwu Peng, Lairong Xiao, Huan Wang, Xiaojun Zhao, Zhenyang Cai, Wei Tan. Microstructure and Mechanical Properties of Laser-Formed GH3536 Alloy[J]. Laser & Optoelectronics Progress, 2022, 59(19): 1916002

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    Paper Information

    Category: Materials

    Received: Aug. 16, 2021

    Accepted: Sep. 27, 2021

    Published Online: Sep. 23, 2022

    The Author Email: Xiao Lairong (Xiaolr@csu.edu.cn)

    DOI:10.3788/LOP202259.1916002

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