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Fatigue of Materials III pp 23–30Cite as

A Study on Fatigue Crack Closure Behavior in Aluminum Alloy 7075 T6

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Abstract

In this study, fatigue tests were conducted on aluminum alloy 7075-T6 to study fatigue crack growth and crack closure behavior of the material. The experiments included the determination of the crack-opening levels K op as a function of ΔK, the rate of fatigue crack growth da/dN as a function of ΔK eff , where ΔK eff (= K max -K op ) is the effective stress intensity factor range. In addition, a change in the value of Kop due to the specimen-surface removal and a crack front shape were also investigated. It was concluded that the aluminum alloy 7075-T6 exhibits plasticity-induced fatigue crack closure. The crack growth rates and crack opening behavior were in good agreement with similar results in the literature.

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References

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Author information

Authors and Affiliations

  1. University of Toyama, 3190 Gofuku, Toyama, 930-8555, Japan

    Kenichi Masuda & Yuki Tochikawa

  2. National Institute of Technology, Toyama College, 13 Hongo, Toyama, 939-8630, Japan

    Sotomi Ishihara & Masaki Okane

  3. Department of Materials Science and Engineering, University of Connecticut, Storrs, CT, 06269, USA

    Arthur J. McEvily

  4. National Institute of Technology, Anan College, 265 Aoki Minobayashi, Tokushima, 774-0017, Japan

    Seiichi Nishino

Authors
  1. Kenichi Masuda
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  2. Sotomi Ishihara
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  3. Yuki Tochikawa
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  4. Arthur J. McEvily
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  5. Masaki Okane
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  6. Seiichi Nishino
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Editor information

Editors and Affiliations

  1. Department of Mechanical Engineering, The University of Akron, USA

    T. S. Srivatsan (Professor of Materials Science and Engineering) (Professor of Materials Science and Engineering)

  2. George Washington University, Washington, DC, USA

    M. Ashraf Imam (Professor of Materials Science) (Professor of Materials Science)

  3. Mechanical and Materials Engineering Department, Materials Science and Engineering Program, Wright State University, Dayton, Ohio, USA

    R. Srinivasan (Professor, Director) (Professor, Director)

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© 2014 TMS (The Minerals, Metals & Materials Society)

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Masuda, K., Ishihara, S., Tochikawa, Y., McEvily, A.J., Okane, M., Nishino, S. (2014). A Study on Fatigue Crack Closure Behavior in Aluminum Alloy 7075 T6. In: Srivatsan, T.S., Imam, M.A., Srinivasan, R. (eds) Fatigue of Materials III. Springer, Cham. https://doi.org/10.1007/978-3-319-48240-8_3

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