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WANG Xijing, SUN Guiping. Effect of heat treatment on microstructure and properties of thermomechanical affected zone of high-strength aluminum alloy[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2010, (11): 1-4.
Citation: WANG Xijing, SUN Guiping. Effect of heat treatment on microstructure and properties of thermomechanical affected zone of high-strength aluminum alloy[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2010, (11): 1-4.

Effect of heat treatment on microstructure and properties of thermomechanical affected zone of high-strength aluminum alloy

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  • Received Date: October 28, 2009
  • The effect of heat treatment on microstructure and properties of high-strength aluminum alloy was investigated.The results showed that the rod-like precipitation disappears gradually and the spherical precipitation is dispersed in the grain boundary and grain of TMAZ after heat treatment.The mechanical properties of aluminum alloys after heat treatment is improved,the tensile strength of 7075 aluminum alloy can reach to 415 MPa,89.5% of the base metal,the tensile strength of 7050 aluminum alloy can reach to 422 MPa,89.8% of the base metal,both the fracture and the lowest hardness appear in TMAZ of advancing side of joints.
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