Since during the Bronze Age, some civilization already develope bronze plate armor, so why does the Iron (steel) Age regress it until the medieval plate armor become a thing again? - Quora
Steel Plate Armor of a Medieval Knight, North Moravia, Czech Republic Editorial Image - Image of riding, fight: 203237620
platefashion
ArtStation - Bronze Plate Armour
Plate Armour Medieval Armor, Armed Fighter Profile. Historical Type of Personal Body Armour Made from Bronze, Iron or Steel Stock Image - Image of historical, helmet: 200092635
Plate armour - Wikipedia
Did mail armor made out of bronze exist? - Quora
Armour - Wurmpedia
armors - How effective and viable would bronze full plate be? - Worldbuilding Stack Exchange