Interfacial characterisation of multi-material 316L stainless steel/Inconel 718 fabricated by laser powder bed fusion
Interfacial characterisation of multi-material 316L stainless steel/Inconel 718 fabricated by laser powder bed fusion
In this study, the interfacial region of multi-material 316L stainless steel/Inconel 718 (316L SS/IN718) fabricated by laser powder bed fusion (L-PBF) is investigated in detail for the first time. The interfacial region consists of a fusion zone (FZ) with intermixed fused Fe and Ni, and individual 316L SS and IN 718 regions. Solid metallurgical bonding is achieved, as evidenced by the low porosity level (~0.27%) and absence of cracks. Microhardness measurements show an average of ~265 HV at the interfacial region, and ~304 HV and ~223 HV at the individual IN 718 and 316L SS regions, respectively.
Interface, Multi-material, Additive manufacturing, Laser powder bed fusion, Structural, Diffusion
Mohd Yusuf, Shahir Yasin Bin
5888c057-33da-45f3-a84d-95a291db8f34
Zhao, Xiao
70e12f26-5ece-46cd-a186-3cac70e99a6f
Yang, Shoufeng
e0018adf-8123-4a54-b8dd-306c10ca48f1
Gao, Nong
9c1370f7-f4a9-4109-8a3a-4089b3baec21
1 February 2021
Mohd Yusuf, Shahir Yasin Bin
5888c057-33da-45f3-a84d-95a291db8f34
Zhao, Xiao
70e12f26-5ece-46cd-a186-3cac70e99a6f
Yang, Shoufeng
e0018adf-8123-4a54-b8dd-306c10ca48f1
Gao, Nong
9c1370f7-f4a9-4109-8a3a-4089b3baec21
Mohd Yusuf, Shahir Yasin Bin, Zhao, Xiao, Yang, Shoufeng and Gao, Nong
(2021)
Interfacial characterisation of multi-material 316L stainless steel/Inconel 718 fabricated by laser powder bed fusion.
Materials Letters, 284, [128928].
(doi:10.1016/j.matlet.2020.128928).
Abstract
In this study, the interfacial region of multi-material 316L stainless steel/Inconel 718 (316L SS/IN718) fabricated by laser powder bed fusion (L-PBF) is investigated in detail for the first time. The interfacial region consists of a fusion zone (FZ) with intermixed fused Fe and Ni, and individual 316L SS and IN 718 regions. Solid metallurgical bonding is achieved, as evidenced by the low porosity level (~0.27%) and absence of cracks. Microhardness measurements show an average of ~265 HV at the interfacial region, and ~304 HV and ~223 HV at the individual IN 718 and 316L SS regions, respectively.
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- Accepted Manuscript
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Accepted/In Press date: 28 October 2020
e-pub ahead of print date: 2 November 2020
Published date: 1 February 2021
Additional Information:
Publisher Copyright:
© 2020 Elsevier B.V.
Keywords:
Interface, Multi-material, Additive manufacturing, Laser powder bed fusion, Structural, Diffusion
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Local EPrints ID: 448854
URI: http://eprints.soton.ac.uk/id/eprint/448854
ISSN: 0167-577X
PURE UUID: 247cda4e-e510-485c-b46f-feba1fc46990
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Date deposited: 07 May 2021 16:30
Last modified: 17 Mar 2024 06:22
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Author:
Xiao Zhao
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