Metal matrix composite with superior ductility at 800 °C: 3D printed In718+ZrB2 by laser powder bed fusion

Emre Tekoğlu; Alexander D. O'Brien; Jong Soo Bae; Kwang Hyeok Lim; Jian Liu; Sina Kavak; Yong Zhang; So Yeon Kim; Duygu Ağaoğulları; Wen Chen; A. John Hart; Gi Dong Sim; Ju Li

doi:10.1016/j.compositesb.2023.111052

Metal matrix composite with superior ductility at 800 °C: 3D printed In718+ZrB₂ by laser powder bed fusion

Emre Tekoğlu, Alexander D. O'Brien, Jong Soo Bae, Kwang Hyeok Lim, Jian Liu, Sina Kavak, Yong Zhang, So Yeon Kim, Duygu Ağaoğulları, Wen Chen, A. John Hart, Gi Dong Sim^*, Ju Li^*

^*Corresponding author for this work

Department of Metallurgical and Materials Engineering

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

We investigated the microstructure and mechanical properties of ZrB₂ fortified Inconel 718 (In718+ZrB₂) superalloy metal matrix composite (MMC), which was produced via Laser Powder Bed Fusion (LPBF). 2 vol% ZrB₂ nano powders (below 100 nm in diameter) were decorated on the surfaces of Inconel 718 alloy powders by high-speed blender. Microstructural analysis of the as-printed specimens showed that the ZrB₂ decomposed during LPBF, which promoted the formation of homogeneously distributed (Zr, Ni)-based intermetallic and (Nb, Mo, Cr)-based boride nanoparticles in the matrix. The 3D printed In718+ZrB₂ has remarkably lower porosity and smaller grain size compared to 3D printed In718 fabricated under the same LPBF conditions. The mechanical performance of the as-printed and heat-treated In718+ZrB₂ showed significantly higher room temperature (RT) hardness, RT yield strength (σ_YS), and RT ultimate tensile strength (σ_UTS) compared to In718. High-temperature tensile tests at 800 °C showed that In718+ZrB₂ has ∼10 times higher tensile ductility with higher σ_YS (by 10 %) and σ_UTS (by 8 %) than pure In718.

Original language	English
Article number	111052
Journal	Composites Part B: Engineering
Volume	268
DOIs	https://doi.org/10.1016/j.compositesb.2023.111052
Publication status	Published - 1 Jan 2024

Bibliographical note

Publisher Copyright:
© 2023 Elsevier Ltd

Funding

This work was supported by Eni S.p.A. through the MIT Energy Initiative , The Scientific and Technological Research Council of Turkey (TUBITAK) under Grant No. 1059B192000941 , and ARPA-E ( DE-AR0001434 ). Furthermore, 3D printing for this project was completed using the EOS M290 at the Advanced Digital Design and Fabrication core facility at the University of Massachusetts, Amherst. WC acknowledges support by the National Science Foundation ( DMR-2004429 ). ADO acknowledges support by NSF GRFP Award #4999143677 . SK and DA acknowledge the support by Istanbul Technical University Scientific Research Projects Unit with a project (No: MUA-2021–43196 ) entitled “Production and Characterization of Boron Containing Metallic Nanocomposites via Additive Manufacturing”. GDS acknowledges support by the KAI-NEET and UP, KAIST, Korea . This work was supported by Eni S.p.A. through the MIT Energy Initiative, The Scientific and Technological Research Council of Turkey (TUBITAK) under Grant No. 1059B192000941, and ARPA-E (DE-AR0001434). Furthermore, 3D printing for this project was completed using the EOS M290 at the Advanced Digital Design and Fabrication core facility at the University of Massachusetts, Amherst. WC acknowledges support by the National Science Foundation (DMR-2004429). ADO acknowledges support by NSF GRFP Award #4999143677. SK and DA acknowledge the support by Istanbul Technical University Scientific Research Projects Unit with a project (No: MUA-2021–43196) entitled “Production and Characterization of Boron Containing Metallic Nanocomposites via Additive Manufacturing”. GDS acknowledges support by the KAI-NEET and UP, KAIST, Korea.

Funders	Funder number
Eni S.p.A.
KAI-NEET
MIT Energy Initiative
National Science Foundation	DMR-2004429, 4999143677
Advanced Research Projects Agency - Energy	DE-AR0001434
University of Massachusetts Amherst
Türkiye Bilimsel ve Teknolojik Araştırma Kurumu	1059B192000941
Korea Advanced Institute of Science and Technology
Bilimsel Araştırma Projeleri Birimi, İstanbul Teknik Üniversitesi	MUA-2021–43196

Keywords

Additive manufacturing
In-situ alloying
Laser powder bed fusion
Mechanical property
Ni-based superalloy

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1016/j.compositesb.2023.111052

Cite this

Tekoğlu, E., O'Brien, A. D., Bae, J. S., Lim, K. H., Liu, J., Kavak, S., Zhang, Y., Kim, S. Y., Ağaoğulları, D., Chen, W., Hart, A. J., Sim, G. D., & Li, J. (2024). Metal matrix composite with superior ductility at 800 °C: 3D printed In718+ZrB₂ by laser powder bed fusion. Composites Part B: Engineering, 268, Article 111052. https://doi.org/10.1016/j.compositesb.2023.111052

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abstract = "We investigated the microstructure and mechanical properties of ZrB2 fortified Inconel 718 (In718+ZrB2) superalloy metal matrix composite (MMC), which was produced via Laser Powder Bed Fusion (LPBF). 2 vol% ZrB2 nano powders (below 100 nm in diameter) were decorated on the surfaces of Inconel 718 alloy powders by high-speed blender. Microstructural analysis of the as-printed specimens showed that the ZrB2 decomposed during LPBF, which promoted the formation of homogeneously distributed (Zr, Ni)-based intermetallic and (Nb, Mo, Cr)-based boride nanoparticles in the matrix. The 3D printed In718+ZrB2 has remarkably lower porosity and smaller grain size compared to 3D printed In718 fabricated under the same LPBF conditions. The mechanical performance of the as-printed and heat-treated In718+ZrB2 showed significantly higher room temperature (RT) hardness, RT yield strength (σYS), and RT ultimate tensile strength (σUTS) compared to In718. High-temperature tensile tests at 800 °C showed that In718+ZrB2 has ∼10 times higher tensile ductility with higher σYS (by 10 %) and σUTS (by 8 %) than pure In718.",

keywords = "Additive manufacturing, In-situ alloying, Laser powder bed fusion, Mechanical property, Ni-based superalloy",

author = "Emre Tekoğlu and O'Brien, {Alexander D.} and Bae, {Jong Soo} and Lim, {Kwang Hyeok} and Jian Liu and Sina Kavak and Yong Zhang and Kim, {So Yeon} and Duygu Ağaoğulları and Wen Chen and Hart, {A. John} and Sim, {Gi Dong} and Ju Li",

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AU - Lim, Kwang Hyeok

AU - Liu, Jian

AU - Kavak, Sina

AU - Zhang, Yong

AU - Kim, So Yeon

AU - Ağaoğulları, Duygu

AU - Chen, Wen

AU - Hart, A. John

AU - Sim, Gi Dong

AU - Li, Ju

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