The microstructure especially the lamellar second phase evolution by a combination of deformation and heat treatment for AZ80 alloy was investigated.The results show that there are finer lamellar Mg_(17)Al_(12) phases...The microstructure especially the lamellar second phase evolution by a combination of deformation and heat treatment for AZ80 alloy was investigated.The results show that there are finer lamellar Mg_(17)Al_(12) phases after hot compression with the increasing strain,while there are coarse lamellar discontinuous precipitation cells ofβ-Mg_(17)Al_(12) phase spreading from the grain boundaries into the grains after T6 treatment of the compressed samples.The lamellar morphologies especially the lamellar distance ofβ-Mg_(17)Al_(12) phase precipitation of the T6 treated deformation specimen at different strains differ from each other as there are different grain boundaries in the corresponding compressed specimens.展开更多
基金Projects(50735005,50605059)supported by the National Natural Science Foundation of China
文摘The microstructure especially the lamellar second phase evolution by a combination of deformation and heat treatment for AZ80 alloy was investigated.The results show that there are finer lamellar Mg_(17)Al_(12) phases after hot compression with the increasing strain,while there are coarse lamellar discontinuous precipitation cells ofβ-Mg_(17)Al_(12) phase spreading from the grain boundaries into the grains after T6 treatment of the compressed samples.The lamellar morphologies especially the lamellar distance ofβ-Mg_(17)Al_(12) phase precipitation of the T6 treated deformation specimen at different strains differ from each other as there are different grain boundaries in the corresponding compressed specimens.
基金Project （50405026） supported by the National Natural Science Foundation of China Project（20051022） supported by the Department of Science and Technology of Shanxi Province, China
