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《Journal of University of Science and Technology Beijing》 2008-04
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Microstructure and mechanical properties of spray formed AZ31 magnesium alloy

HUANG Jinfeng1),LI Yongbing1),LUO Hairong1),CUI Hua2),CAI Yuanhua1),DUAN Xianjin1),ZHANG Jishan1)1)State Key Laboratory for Advanced Metals and Materials,University of Science and Technology Beijing,Beijing 100083,China 2)School of Materials Science and Engineering,University of Science and Technology Beijing,Beijing 100083,China  
AZ31 magnesium alloy billets were prepared by spray forming technique,then the alloy billets were hot rolled into compact plates.The microstructure and mechanical properties of the alloy were investigated.The result indicates that the spray formed alloy has a fine microstructure with an average grain size of 20 μm.The finer microstructure and mechanical properties were gained by the compacted processing,dynamic recrystallization and annealed static recrystallization.The fracture surfaces of the as-hot rolled sample show a typical brittle fracture character while the as-annealed sample displays a mixed mode of brittle fracture and toughness fracture.
【Fund】: 教育部科技创新工程重大项目培育资金资助项目
【CateGory Index】: TG146.22
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