Mechanisms and microstructures of 2A97 Al-Li alloy under the hot forming with synchronous quenching process.

Aluminum-lithium alloy is regarded as the most promising light material in the aircraft and aerospace industries. For the production of complex and high-precision parts, the hot forming with synchronous quenching (HFSQ) process has become an effective and attractive forming method. In order to achieve the performance and microstructure evolution of the 2A97 Al-Li alloy under the HFSQ process, the specimens were subjected to solution treatment at 520°C and held at 90 min in the Gleeble 3,500 thermal simulator.