Episode 103 of the Professor Alex Volinsky podcast. Electrical hardware needs copper's conductivity, but pure copper is soft. The classic answer is precipitation hardening: fine particles block dislocations while the cleaned matrix conducts. The paper's specific findings are not retrievable. Based on the paper: Excellent Mechanical Properties and High Electrical Conductivity of Cu-Co-Si-Ti Alloy due to Multiple Strengthening; Y. Geng, Y. Ban, X. Li, Y. Zhang, Y. Jia, B. Tian, M. Zhou, Y. Liu, A.A. Volinsky, K. Song, S. Tang; Materials Science and Engineering A, 2021, Vol. 821 (article 141639). Hosts Elena and Marcus. AI-generated voices.