Published 08/30/2021 at 627 × 747 in Use Of High Temperature Die Material & Hot Dies For High Pressure Die Casting Pure Copper & Copper Alloys Fig. 1 – Typical aluminum rotor and squirrel cage structure after dissolution of the iron laminations. Fig. 1 – Typical aluminum rotor and squirrel cage structure after dissolution of the iron laminations. No tags for this post. Related posts No related posts.