Material imaging and characterization
Research materials: Single element metals and aluminum alloys, NiMoW and NiCoCr alloys, Shape memory alloys (SMAs), Additive manufactured Inconel 718 and 316L SS, etc.
To be able to see is one of the numerous blessings of life, where each and every sceneries, people and moments we encounter could be visually remembered and reminiscent. Since the early 1800s, the invention of a conventional camera allows us to effortlessly capture what was observed with our naked eyes. Although memories might fade over time, a photograph is permanent and will always be the ticket into our past moments.
In the current century, we are capable of not only capturing those visible, but also beyond the reach of our naked eyes. Technology has enabled us to gaze into distances billions of light years away, and to peek into the atomic level. In particular, scientists are now able to understand different materials in perspectives unachievable before.
Our work utilizes a number of material imaging and characterization techniques, which includes and is not limited to the scanning electron microscope (SEM), transmission electron microscope (TEM), x-ray diffractometry (XRD), electron backscatter diffraction (EBSD), etc. to aid in providing deeper insights of the underlying mechanisms. With the KAIST Analysis Center for Research Advancement (KARA) and National NanoFab Center (NNFC) located in proximate distances, a variety of analysis equipments are accessible to us, in which are able to provide elevation in the quality of our research works.
To be able to see is one of the numerous blessings of life, where each and every sceneries, people and moments we encounter could be visually remembered and reminiscent. Since the early 1800s, the invention of a conventional camera allows us to effortlessly capture what was observed with our naked eyes. Although memories might fade over time, a photograph is permanent and will always be the ticket into our past moments.
In the current century, we are capable of not only capturing those visible, but also beyond the reach of our naked eyes. Technology has enabled us to gaze into distances billions of light years away, and to peek into the atomic level. In particular, scientists are now able to understand different materials in perspectives unachievable before.
Our work utilizes a number of material imaging and characterization techniques, which includes and is not limited to the scanning electron microscope (SEM), transmission electron microscope (TEM), x-ray diffractometry (XRD), electron backscatter diffraction (EBSD), etc. to aid in providing deeper insights of the underlying mechanisms. With the KAIST Analysis Center for Research Advancement (KARA) and National NanoFab Center (NNFC) located in proximate distances, a variety of analysis equipments are accessible to us, in which are able to provide elevation in the quality of our research works.
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.
[3] Kim, H., Choi, J. H., Park, Y., Choi, S., & Sim, G. D. (2023). Mechanical characterization of thin films via constant strain rate membrane deflection experiments. Journal of the Mechanics and Physics of Solids, 173, 105209.
[4] Oh, I., Kim, H., Son, H., Nam, S., Choi, H., & Sim, G. D. (2023). Combinatorial experiments for discovering Al-C thin films with high strength and ductility. International Journal of Plasticity, 161, 103515.
[5] Choi, J. H., Kim, H., Kim, J. Y., Lim, K. H., Lee, B. C., & Sim, G. D. (2022). Micro-cantilever bending tests for understanding size effect in gradient elasticity. Materials & Design, 214, 110398.
[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.
[3] Kim, H., Choi, J. H., Park, Y., Choi, S., & Sim, G. D. (2023). Mechanical characterization of thin films via constant strain rate membrane deflection experiments. Journal of the Mechanics and Physics of Solids, 173, 105209.
[4] Oh, I., Kim, H., Son, H., Nam, S., Choi, H., & Sim, G. D. (2023). Combinatorial experiments for discovering Al-C thin films with high strength and ductility. International Journal of Plasticity, 161, 103515.
[5] Choi, J. H., Kim, H., Kim, J. Y., Lim, K. H., Lee, B. C., & Sim, G. D. (2022). Micro-cantilever bending tests for understanding size effect in gradient elasticity. Materials & Design, 214, 110398.
Updated on 2024.05.14
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