Episode 101 of the Professor Alex Volinsky podcast. Cu-2.6Co-0.65Si on a Gleeble simulator, 500-900 C: 0.2 wt% yttrium promotes dynamically recrystallized grains, softening the metal in hot working. The abstract is partially truncated; no invented findings. Based on the paper: Effect of Y Addition on Microstructure Evolution and Precipitation of Cu-Co-Si Alloy During Hot Deformation; P. Yang, Y. Zhang, M. Zhou, Y. Jia, B. Tian, Y. Liu, X. Lie, A.A. Volinsky; Materials Characterization, 2021, Vol. 181, article 111502. Hosts Elena and Marcus. AI-generated voices.