Figure 12From: Hot Extrusion Processing of Al–Li Alloy Profiles and Related Issues: A ReviewMicrostructures of the extrusion welding interface of Al–Li alloy 2195: a, b The bonding degree of welding interfaces at different extrusion temperatures, c, d Grain structure of the matrix and welding area, e Grain structure of welding area after heat treatment (Reproduced from Ref. [89])Back to article page