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Effect of Stretch Orientation and Rolling Orientation on the Mechanical Properties of 2195 Al-Cu-Li Alloy

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Abstract

Sheets of 2195 aluminum-lithium alloy were solution-treated at 507 °C for 30 min. One set was stretched to 3-5% in the 0°, 45°, and 90° angle with respect to the original rolling direction. Two other sets were rolled 6% reduction in thickness and 24% reduction in thickness in the 0°, 45°, and 90° angle with respect to the original rolling direction. All specimens were aged at 143 °C for 36 h. A second group of samples was rolled at 24 and 50% reduction in thickness after a solution treatment of 507 °C for 1 h prior to aging at 190 °C for 24 h. Tensile specimens were machined from each sheet at 0°, 45°, and 90° angles to the original grain orientation. Tensile testing was used to determine the mechanical properties and anisotropic behavior of each condition. Rolling 6% reduction in thickness in the 45° orientation yielded anisotropy of 7.6% in the yield strength.

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Acknowledgments

This study was funded by the National Science Foundation, NSF Grant No. EEC-9732046, Research Experience for Undergraduates (REU) site.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Loyola Marymount University, Los Angeles, CA, 90045-8145, USA

    O. S. Es-Said, C. J. Parrish, C. A. Bradberry, J. Y. Hassoun, R. A. Parish, A. Nash, N. C. Smythe, K. N. Tran, T. Ruperto, D. Mitchell & C. Vinquist

  2. Naval Air Warfare Center, Code 4342, MS, Bldg. 2188, Patuxent River, MD, 20670-1908, USA

    E. W. Lee

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  1. O. S. Es-Said
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  2. C. J. Parrish
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Correspondence to O. S. Es-Said.

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Es-Said, O.S., Parrish, C.J., Bradberry, C.A. et al. Effect of Stretch Orientation and Rolling Orientation on the Mechanical Properties of 2195 Al-Cu-Li Alloy. J. of Materi Eng and Perform 20, 1171–1179 (2011). https://doi.org/10.1007/s11665-010-9746-6

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  • DOI: https://doi.org/10.1007/s11665-010-9746-6

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