Segregation effects of interstitial and substitutional elements at grain boundaries in ferritic iron and their effect on liquid metal embrittlement

Publications of Yuji Ikeda

Journal Article (26)

1.
Journal Article
Sung, M. Y.; Jang, T. J.; Song, S. Y.; Lee, G.; Ryou, K.; Oh, S.-H.; Lee, B.-J.; Choi, P.-P.; Neugebauer, J.; Grabowski, B. et al.; Körmann, F.; Ikeda, Y.; Zargaran, A.; Sohn, S. S.: Ultrastrong and ductile CoNiMoAl medium-entropy alloys enabled by L12 nanoprecipitate-induced multiple deformation mechanisms. Journal of Materials Science & Technology 225, pp. 72 - 86 (2025)
2.
Journal Article
Jang, T. J.; Lee, Y. N.; Ikeda, Y.; Körmann, F.; Baek, J.-H.; Do, H.-S.; Choi, Y. T.; Gwon, H.; Suh, J.-Y.; Kim, H. S. et al.; Lee, B.-J.; Zargaran, A.; Sohn, S. S.: Compositive role of refractory element Mo in improving strength and ductility of face-centered-cubic complex concentrated alloys. Acta Materialia 255, 119030 (2023)
3.
Journal Article
Chung, H.; Kim, D. W.; Cho, W. J.; Han, H. N.; Ikeda, Y.; Ishibashi, S.; Körmann, F.; Sohn, S. S.: Effect of solid-solution strengthening on deformation mechanisms and strain hardening in medium-entropy V1-xCrxCoNi alloys. Journal of Materials Science & Technology 108, pp. 270 - 280 (2022)
4.
Journal Article
Wagner, C.; Ferrari, A.; Schreuer, J.; Couzinie, J.-P.; Ikeda, Y.; Körmann, F.; Eggeler, G. F.; George, E. P.; Laplanche, G.: Effects of Cr/Ni ratio on physical properties of Cr–Mn–Fe–Co–Ni high-entropy alloys. Acta Materialia 227, 117693 (2022)
5.
Journal Article
Ikeda, Y.; Gubaev, K.; Neugebauer, J.; Grabowski, B.; Körmann, F.: Chemically induced local lattice distortions versus structural phase transformations in compositionally complex alloys. npj Computational Materials 7 (1), 34 (2021)
6.
Journal Article
Yang, D.-C.; Jo, Y.-H.; Ikeda, Y.; Körmann, F.; Sohn, S. S.: Effects of cryogenic temperature on tensile and impact properties in a medium-entropy VCoNi alloy. Journal of Materials Science & Technology 90, pp. 159 - 167 (2021)
7.
Journal Article
Oh, H. S.; Odbadrakh, K.; Ikeda, Y.; Mu, S.; Körmann, F.; Sun, C.-J.; Ahn, H. S.; Yoon, K. N.; Ma, D.; Tasan, C. C. et al.; Egami, T.; Park, E. S.: Element-resolved local lattice distortion in complex concentrated alloys: An observable signature of electronic effects. Acta Materialia 216, 117135 (2021)
8.
Journal Article
Gubaev, K.; Ikeda, Y.; Tasnádi, F.; Neugebauer, J.; Shapeev, A.; Grabowski, B.; Körmann, F.: Finite-temperature interplay of structural stability, chemical complexity, and elastic properties of bcc multicomponent alloys from ab initio trained machine-learning potentials. Physical Review Materials 5 (7), 073801 (2021)
9.
Journal Article
Ikeda, Y.; Körmann, F.: Impact of N on the Stacking Fault Energy and Phase Stability of FCC CrMnFeCoNi: An Ab Initio Study. Journal of Phase Equilibria 42, pp. 551 - 560 (2021)
10.
Journal Article
Rogal, L.; Ikeda, Y.; Lai, M.; Körmann, F.; Kalinowska, A.; Grabowski, B.: Design of a dual-phase hcp-bcc high entropy alloy strengthened by ω nanoprecipitates in the Sc–Ti–Zr–Hf–Re system. Materials and Design 192, 108716 (2020)
11.
Journal Article
Kies, F.; Ikeda, Y.; Ewald, S.; Schleifenbaum, J. H.; Hallstedt, B.; Körmann, F.; Haase, C.: Combined Al and C alloying enables mechanism-oriented design of multi-principal element alloys: Ab initio calculations and experiments. Scripta Materialia 178, pp. 366 - 371 (2020)
12.
Journal Article
Wu, X.; Li, Z.; Rao, Z.; Ikeda, Y.; Dutta, B.; Körmann, F.; Neugebauer, J.; Raabe, D.: Role of magnetic ordering for the design of quinary TWIP-TRIP high entropy alloys. Physical Review Materials 4 (3), 033601 (2020)
13.
Journal Article
Ishibashi, S.; Ikeda, Y.; Körmann, F.; Grabowski, B.; Neugebauer, J.: Correlation analysis of strongly fluctuating atomic volumes, charges, and stresses in body-centered cubic refractory high-entropy alloys. Physical Review Materials 4 (2), 023608 (2020)
14.
Journal Article
Guo, W.; Su, J.; Lu, W.; Liebscher, C.; Kirchlechner, C.; Ikeda, Y.; Körmann, F.; Liu, X.; Xue, Y.; Dehm, G.: Dislocation-induced breakthrough of strength and ductility trade-off in a non-equiatomic high-entropy alloy. Acta Materialia 185, pp. 45 - 54 (2020)
15.
Journal Article
Ferrari, A.; Dutta, B.; Gubaev, K.; Ikeda, Y.; Srinivasan, P.; Grabowski, B.; Körmann, F.: Frontiers in atomistic simulations of high entropy alloys. Journal of Applied Physics 128 (15), 150901 (2020)
16.
Journal Article
Grabowski, B.; Ikeda, Y.; Srinivasan, P.; Körmann, F.; Freysoldt, C.; Duff, A. I.; Shapeev, A.; Neugebauer, J.: Ab initio vibrational free energies including anharmonicity for multicomponent alloys. npj Computational Materials 5 (1), 80 (2019)
17.
Journal Article
Ikeda, Y.; Tanaka, I.; Neugebauer, J.; Körmann, F.: Impact of interstitial C on phase stability and stacking-fault energy of the CrMnFeCoNi high-entropy alloy. Physical Review Materials 3 (11), 113603 (2019)
18.
Journal Article
Rao, Z.; Ponge, D.; Körmann, F.; Ikeda, Y.; Schneeweiss, O.; Friák, M.; Neugebauer, J.; Raabe, D.; Li, Z.: Invar effects in FeNiCo medium entropy alloys: From an Invar treasure map to alloy design. Intermetallics 111, 106520 (2019)
19.
Journal Article
Sohn, S. S.; Kwiatkowski da Silva, A.; Ikeda, Y.; Körmann, F.; Lu, W.; Choi, W. S.; Gault, B.; Ponge, D.; Neugebauer, J.; Raabe, D.: Ultrastrong Medium‐Entropy Single‐Phase Alloys Designed via Severe Lattice Distortion. Advanced Materials 31, 1807142 (2019)
20.
Journal Article
Ikeda, Y.; Grabowski, B.; Körmann, F.: Ab initio phase stabilities and mechanical properties of multicomponent alloys: A comprehensive review for high entropy alloys and compositionally complex alloys. Materials Characterization 147, pp. 464 - 511 (2019)

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