Study of the stabilization of ordered austenite β1 in Cu79Al19X2 (X = Be or Mn) alloys R. D. A. Pinto and R. A. G. Silva Eur. Phys. J. Plus, 139 6 (2024) 537 Published online: 22 June 2024 DOI: 10.1140/epjp/s13360-024-05352-3