Chinese Journal of Lasers, Volume. 47, Issue 1, 0102001(2020)

Effect of δ Aging Treatment on Microstructure and Tensile Properties of Repaired Inconel 718 Alloy Using Laser Additive Manufacturing

Jie Zhang1,2, Qunli Zhang1,2、*, Dong Li1,2, Wenhua Tong1,2, Jianhua Yao1,2, and Zhibin Leng3
Author Affiliations
  • 1Institute of Laser Advanced Manufacturing, Zhejiang University of Technology, Hangzhou, Zhejiang 310023, China
  • 2Key Laboratory of E & M (Zhejiang University of Technology), Ministry of Education & Zhejiang Province,Hangzhou, Zhejiang 310023, China;
  • 3Jiangsu Yawei Machine-Tool Co., Ltd., Yangzhou, Jiangsu 225200, China
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    References(19)

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    [13] Sui S, Chen J, Ma L et al. Microstructures and stress rupture properties of pulse laser repaired Inconel 718 superalloy after different heat treatments[J]. Journal of Alloys and Compounds, 770, 125-135(2019).

    [14] Zhang J, Zhang Q L, Chen Z J et al. Effects of solution temperature on microstructure and properties of Inconel 718 alloy fabricated via laser additive manufacturing[J]. Surface Technology, 48, 47-53(2019).

    [15] Shen J L. Study on the characteristics of δ phase precipitation and its effect on welding seam fracture in GH4169 alloy[D]. Guiyang: Guizhou University, 22-33(2018).

    [16] Zhang Q L, Li D, Zhang J et al. Influence of pre-fabricated groove angle on microstructure and properties of laser additive remanufactured IN718 alloy[J]. Surface Technology, 48, 90-96(2019).

    [17] Di X J, Xing X X, Wang B S. Nucleation and coarsening mechanism of δ phase in Inconel 625 deposited metal[J]. Acta Metallurgica Sinica, 50, 323-328(2014).

    [18] Zhang J L. Effect of δ-phase on the microstructural evolution and properties of GH4169 alloy[D]. Tianjin: Tianjin University, 23-32(2017).

    [19] Li Y M, Zhu R M, Liu H J et al. Effect of long-time aging on precipitated phase and tensile properties of GH625 alloy[J]. The Chinese Journal of Nonferrous Metals, 29, 262-269(2019).

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    Jie Zhang, Qunli Zhang, Dong Li, Wenhua Tong, Jianhua Yao, Zhibin Leng. Effect of δ Aging Treatment on Microstructure and Tensile Properties of Repaired Inconel 718 Alloy Using Laser Additive Manufacturing[J]. Chinese Journal of Lasers, 2020, 47(1): 0102001

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    Paper Information

    Category: laser manufacturing

    Received: Jul. 31, 2019

    Accepted: Sep. 16, 2019

    Published Online: Jan. 9, 2020

    The Author Email: Qunli Zhang (zql@zjut.edu.cn)

    DOI:10.3788/CJL202047.0102001

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