HEDS Poster

[HEDSp-10] In-situ X-ray Diffraction of Additively Manufactured Eutectic High Entropy Alloy under Shock Compression and Release

*A. Hari^1,2,3, K. Katagiri^1,2,3, S. Irvine^2,3,4, L. Madril^1,2,3, A. Amouretti⁵, Y. Inubushi^6,7, R. Kodama^5,8, K. Miyanishi⁷, H. Nakamura⁵, N. Ozaki^5,8, J. E. Ren⁹, Y. Seto ¹⁰, K. Sueda⁷, S. Takagi¹¹, Y. Umeda¹², M. Yabashi^6,7, T. Yabuuchi^6,7, W. Yang⁹, Y. Vohra¹³, W. Chen⁹, L. Dresselhaus-Marais^1,2,3 (1. Department of Materials Science and Engineering, Stanford University, 2. SLAC National Accelerator Laboratory, 3. PULSE Institute, Stanford University, 4. Department of Applied Physics, Stanford University, 5. Graduate School of Engineering, Osaka University, 6. Japan Synchrotron Radiation Research Institute, 7. RIKEN SPring-8 Center, 8. Institute of Laser Engineering, Osaka University, 9. Department of Mechanical and Industrial Engineering, University of Massachusetts, 10. Graduate School of Science, Osaka Metropolitan University, 11. Earth and Planets Laboratory, Carnegie Institution for Science, 12. Institute for Integrated Radiation and Nuclear Science, Kyoto University , 13. Department of Physics, University of Alabama at Birmingham)

Eutectic high entropy alloy (EHEA) AlCoCrFeNi_2.1 additively manufactured through laser powder bed fusion has both high strength and ductility due to its far-from-equilibrium, dual-phase nanolamellar structure consisting of both fcc and bcc phases.