High temperature deformation behavior of a new type of 211 Z. X heat-resisting high strength and toughness aluminum alloy was investigated by Gleeble-3500 thermal simulation testing machine in the temperature range of 350 ~ 500 ℃ and strain rates range of0. 01 ~ 10. 00 s-1. The curves of flow stress of 211 Z. X aluminum alloy were obtained. And the discipline of material constants with the variation of true strain and the 6 times polynomial equation under different true strain were obtained by studying the ...