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ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 1994, Vol. 15 ›› Issue (2): 219-221.

• 论文 • Previous Articles     Next Articles

EXPERIMENTAL INVESTIGATION ON CHANGE OF COLDWODKING RESIDUAL STRAIN OF HOLE IN ALUMINIUM ALLOY SHEET

Lin ying1, Wu Fumin2, Xing Wenzhen2   

  1. 1. Shenyang Institute of Aeronautical Engineering,shenyang,110031;2. 5th Departmant,Northwestern Polytechnical University,Xi’an,710072
  • Received:1992-06-12 Revised:1993-02-13 Online:1994-02-25 Published:1994-02-25

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Abstract: In this paper,an experimental study on degeneration of the coldworking residual strain during different cyclic loadings is presented.The experimental results obtained show that the residual strain distribution of squeezing follows a power series law ε=axb

Key words: extruding, residual strain, strain hardening

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