The effect of interval pulsed laser deposition on the microstructure and mechanical properties of Inconel 718 parts using laser directed energy deposition

doi:10.1080/17452759.2024.2434162

IMR OpenIR

	The effect of interval pulsed laser deposition on the microstructure and mechanical properties of Inconel 718 parts using laser directed energy deposition
	Ma, Liang 1,2; Kong, Xiangwei 1,3,4; Cheng, Liu 1; Liang, Jingjing 2; Jiao, Zhidong 5; Sun, Cong 1; Li, Jinguo 2; Jin, Zhibo 1; Zhang, Xue 2
通讯作者	Kong, Xiangwei(shawnkongneu@163.com) ; Liang, Jingjing(jjliang@imr.ac.cn) ; Li, Jinguo(jgli@imr.ac.cn)
	2024-12-31
发表期刊	VIRTUAL AND PHYSICAL PROTOTYPING
ISSN	1745-2759
卷号	19 期号:1 页码:19
摘要	The solidification process of laser directed energy deposition (LDED) affects elemental separation, microstructure, and tensile properties. This work proposes an interval pulsed laser deposition (IPLD) process to improve the cooling rate. The IPLD and continuous laser deposition (CLD) samples are prepared at the same laser power for comparative analysis. Solution treatment and aging (STA) heat treatment processes are developed to compare the as-deposited and STA samples. Finite element simulation results showed that the IPLD process has a smaller molten pool and a higher cooling rate. In the microstructure analysis, the IPLD samples have stronger < 001 > texture and smaller grains in all samples. Smaller Laves phase distributions and Nbrich areas are found in IPLD as-deposited samples. After the STA, the long-chain Laves phases completely dissolve into discrete areas and the Nb-rich areas almost disappear. More short rod and needle-like delta-phases are observed around small Laves phases, and the proportion of large- size Laves phases decreases significantly. The Nb mass fraction of Laves phases is 16.9 in IPLD samples, which is lower than 26.66 in CLD samples. For IPLD samples, the YS (1095 Mpa), UTS (1310 Mpa), and elongation (24.5%) reached the level of Inconel 718 wrought parts.
关键词	Laser directed energy deposition heat treatment Inconel 718 interval pulsed laser deposition microstructure tensile properties
资助者	National Science and Technology Major Project ; National Key Research and Development Program of China ; State Ministry of Science and Technology Innovation Fund of China
DOI	10.1080/17452759.2024.2434162
收录类别	SCI
语种	英语
资助项目	National Science and Technology Major Project[J2019-V-0009-0103] ; National Science and Technology Major Project[2019-VII-0019-0161] ; National Key Research and Development Program of China[SQ2019YFB1704500] ; State Ministry of Science and Technology Innovation Fund of China[2018IM030200]
WOS研究方向	Engineering ; Materials Science
WOS类目	Engineering, Manufacturing ; Materials Science, Multidisciplinary
WOS记录号	WOS:001369852000001
出版者	TAYLOR & FRANCIS LTD
引用统计	被引频次：1[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/181264
专题	中国科学院金属研究所
通讯作者	Kong, Xiangwei; Liang, Jingjing; Li, Jinguo
作者单位	1.Northeastern Univ, Sch Mech Engn & Automat, Shenyang 110819, Peoples R China 2.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China 3.Northeastern Univ, Key Lab Vibrat & Control Aeroprop Syst, Minist Educ, Shenyang 110819, Peoples R China 4.Northeastern Univ, Liaoning Prov Key Lab Multidisciplinary Design Opt, Shenyang 110819, Peoples R China 5.CRRC Qingdao Sifang CO LTD, Qingdao, Peoples R China
推荐引用方式 GB/T 7714	Ma, Liang,Kong, Xiangwei,Cheng, Liu,et al. The effect of interval pulsed laser deposition on the microstructure and mechanical properties of Inconel 718 parts using laser directed energy deposition[J]. VIRTUAL AND PHYSICAL PROTOTYPING,2024,19(1):19.
APA	Ma, Liang.,Kong, Xiangwei.,Cheng, Liu.,Liang, Jingjing.,Jiao, Zhidong.,...&Zhang, Xue.(2024).The effect of interval pulsed laser deposition on the microstructure and mechanical properties of Inconel 718 parts using laser directed energy deposition.VIRTUAL AND PHYSICAL PROTOTYPING,19(1),19.
MLA	Ma, Liang,et al."The effect of interval pulsed laser deposition on the microstructure and mechanical properties of Inconel 718 parts using laser directed energy deposition".VIRTUAL AND PHYSICAL PROTOTYPING 19.1(2024):19.