Microstructure and mechanical properties of dissimilar friction stir welds using AA6061-T6 and AZ31 plates
作者： Kwang-Jin Lee , Sang-Hyuk Kim , Hyeon-Taek Son , Kee-Do Woo
DOI: 10.1007/978-3-319-48761-8_93
关键词:
摘要: This study was performed to investigate microstructure and mechanical properties of dissimilar friction stir welds using AA6061-T6 AZ31 plates. Tensile strengths plates were 314MPa 242MPa, respectively. the joints by condition I II 182MPa 219MPa, These are about 75%, 90% tensile strength. During test, fracture occurred at weld region. Impact absorption energy joint 2 times compared that base metal. Crack propagation dramatically increased may be due both grain refinement homogeneous dispersion particle strong plastic deformation.
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