The longitudinal weld of extrusion profiles will form dramatic abnormal grain growth (AGG)
during solution treatment, leading to performance deterioration. A modified heat treatment …

The dramatic abnormal grain growth (AGG) in longitudinal weld of 2196 Al-Cu-Li extrusion
profiles during solution treatment leads to performance deterioration. In this paper, the …

The porthole die extrusion processes of 2196 Al-Cu-Li alloy were carried out at billet
temperatures of 420–510° C and ram speeds of 0.25–5.0 mm/s, then the extruded profiles …

The grains at the longitudinal weld in porthole extrusion profiles are more prone to abnormal
growth during solid solution treatment, leading to a decline in mechanical properties. To …

Abnormal grain growth (AGG) at longitudinal weld of 2196 Alsingle bondCusingle bondLi
profile was observed during solution treatment, and the effects of AGG on the aging behavior …

The effects of billet heating temperature and extrusion speed on the microstructures and
mechanical properties of longitudinal welds in the aluminum alloy profiles with complex …

To obtain profiles with sound weld seams, the effects of extrusion parameters and heat
treatment on microstructures and mechanical properties of the weld seam were revealed. It …

In this study, the microstructure evolution during solution treatment of extruded Al-Zn-Mg
profile containing a longitudinal weld seam was firstly reported. The porthole die extrusion …

Variable polarity plasma arc welding (VPPA) is an adaptable and efficient method for
welding large Al-Li alloy components like rocket fuel tanks. This work investigated the …

The extrusion process of spray deposited 2195 Al–Cu–Li alloy was carried out with a
porthole die. The microstructural evolution in the extrusion, especially the welding process in …