MMaterials Science and Engineering A3/26/2026Grain-size-controlled TRIP kinetics enable cryogenic strength-ductility synergy in a FeNiMnCoTiSi medium-entropy alloyWon Seok Lee·Hyoung Seop Kim·Eun Young Kim·Soung Yeoul Ahn·Farahnaz Haftlang·Jihye KwonRead at Materials Science and Engineering ATagsHigh Entropy Alloys StudiesMechanical Engineering