Chinese Journal of Lasers, Volume. 46, Issue 1, 102004(2019)

Microstructure and Tensile Properties of High-Deposition-Rate Laser Metal Deposited GH4169 Alloy

Li Zuo, Sui Shang, Yuan Zihao, Li Haosheng, Chen Jing, and Lin Xin
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    The GH4169 alloy samples are fabricated by the high-deposition-rate laser metal deposition (HDR-LMD) technique and their microstructures and tensile properties are investigated when the deposition rate is 2.2 kg/h. The precipitated phases of the HDR-LMDed samples mainly include Laves phase, acicular δ phase and non-uniformly distributed γ″ and γ′ phases. The tensile test results show that the plasticity and strength of the as-deposited superalloy are both lower than the forging standard.

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    Li Zuo, Sui Shang, Yuan Zihao, Li Haosheng, Chen Jing, Lin Xin. Microstructure and Tensile Properties of High-Deposition-Rate Laser Metal Deposited GH4169 Alloy[J]. Chinese Journal of Lasers, 2019, 46(1): 102004

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    Paper Information

    Category: laser manufacturing

    Received: Aug. 1, 2018

    Accepted: --

    Published Online: Jan. 27, 2019

    The Author Email:

    DOI:10.3788/CJL201946.0102004

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