［1］Mishra R S，Mahoney M W，McFadden S X，et al.High strain rate superplasticity in a friction stir processed 7075 Al alloy［J］.Scripta Materialia，1999，42(2):163-168.
[2]
Hao H L，Ni D R，Huang H，et al.Effect of welding parameters on microstructure and mechanical properties of friction stir welded AlMgEr alloy［J］.Materials Science and Engineering A，2013，559:889-896.
[3]
Hirata T，Oguri T，Hagino H，et al.Influence of friction stir welding parameters on grain size and formability in 5083 aluminum alloy［J］.Materials Science and Engineering A，2007，456:344-349.
[4]
Cui G R，Ma Z Y，Li S X.The origin of nonuniform microstructure and its effects on the mechanical properties of a friction stir processed AlMg alloy［J］.Acta Materialia，2009，57:5718-5729.
[5]
Yoon S O，Kang M S，Nam H B，et al.Friction stir butt welding of A5052O aluminum alloy plates［J］.Transactions of Nonferrous Metals Society of China，2012，22:619-623.
[6]
Sato Y S，Urata M，Kokawa H.Parameters controlling microstructure and hardness during frictionstir welding of precipitationhardenable aluminum alloy 6063［J］.Metallurgical and Materials Transactions A，2002，33(3):625-635.
[7]
Kim Y G，Fujii H，Tsumura T，et al.Three defects types in friction stir welding of aluminum die cast alloy［J］.Materials Science and Engineering A，2006，415:250-254.
[8]
Jata K V，Semiatin S L.Continuous dynamic recrystallization during friction stir welding of high strength aluminum alloys［J］.Scripta Materialia，2000，43(8):743-749.
[9]
Kwon Y J，Loureiro A.Microstructure and mechanical properties of friction stir welds in aluminum alloys 2024T3，5083O and 6063T6［J］.Materials Science Forum，2006，516(6):697-701.一位数()
