Additively manufactured (AM)
Inconel 718 and 316L SS
Research techniques: Bulk-scale evaluation, meso-scale evaluation, micro/ nano-scale evaluation, elevated temperature evaluation, simulation and experimental modeling, fatigue, creep and fracture evaluation, material imaging and characterization, etc.
Prototyping has faced challenges in demands of items custom-designed based on individual preferences, and reduction in efficiency to accustom the same design across industries.The introduction of additive manufacturing (AM) methods presents the solution towards rapid prototyping by its capability to "print" components of desirable materials with specific designs, at a great reduction of cost and time required than that of conventional fabrication methods. In particular, a great amount of efforts is underway to utilize this technique for manufacturing large components with complexity in its design structure.
Inconel 718 (IN718) is a nickel-based superalloy, whereas 316L stainless steel (SS) possess superior high temperature mechanical properties. In conjuction of the increasing demand for components with complex designs, along with material requirements to hold great strength and thermal stability at high temperatures, AM IN718 and AM 316L SS are the few that stood out to satisfy the conditions listed, and are prospective candidates for material selections especially in the aerospace and nuclear industry.
Our work focus on an in-depth multi-scale investigation on both the monotonic and cyclic behaviors of these materials, while simultaneously investigating the corrosion effects and boron addition effects towards these materials.
Prototyping has faced challenges in demands of items custom-designed based on individual preferences, and reduction in efficiency to accustom the same design across industries.The introduction of additive manufacturing (AM) methods presents the solution towards rapid prototyping by its capability to "print" components of desirable materials with specific designs, at a great reduction of cost and time required than that of conventional fabrication methods. In particular, a great amount of efforts is underway to utilize this technique for manufacturing large components with complexity in its design structure.
Inconel 718 (IN718) is a nickel-based superalloy, whereas 316L stainless steel (SS) possess superior high temperature mechanical properties. In conjuction of the increasing demand for components with complex designs, along with material requirements to hold great strength and thermal stability at high temperatures, AM IN718 and AM 316L SS are the few that stood out to satisfy the conditions listed, and are prospective candidates for material selections especially in the aerospace and nuclear industry.
Our work focus on an in-depth multi-scale investigation on both the monotonic and cyclic behaviors of these materials, while simultaneously investigating the corrosion effects and boron addition effects towards these materials.
Read more in our publications:
[1] Tekoğlu, E., O'Brien, A. D., Bae, J. S., Lim, K. H., Liu, J., Kavak, S., ... & Li, J. (2023). Metal matrix composite with superior ductility at 800° C: 3D printed In718+ ZrB2 by laser powder bed fusion. Composites Part B: Engineering, 111052.
[2] Lim, K. H., Ryou, K., Choi, J. H., Choi, G., Choi, W. S., Lee, J. H., ... & Sim, G. D. (2023). Effect of titanium nitride inclusions on the mechanical properties of direct laser deposited Inconel 718. Extreme Mechanics Letters, 61, 102009.
[1] Tekoğlu, E., O'Brien, A. D., Bae, J. S., Lim, K. H., Liu, J., Kavak, S., ... & Li, J. (2023). Metal matrix composite with superior ductility at 800° C: 3D printed In718+ ZrB2 by laser powder bed fusion. Composites Part B: Engineering, 111052.
[2] Lim, K. H., Ryou, K., Choi, J. H., Choi, G., Choi, W. S., Lee, J. H., ... & Sim, G. D. (2023). Effect of titanium nitride inclusions on the mechanical properties of direct laser deposited Inconel 718. Extreme Mechanics Letters, 61, 102009.
Updated on 2024.04.19
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