This study provides an experimental and analytical investigation of the behavior of a double bolted single lap shear composite joint. Various scenarios of bolt tightness are considered for composite-to-composite and composite-to-aluminum bolted joints. Progressive damage analysis is provided for the composite coupons in two regions; namely, the surface under bolt heads and near the contact with the shank of the bolt; the damage analysis is performed using an optical microscope. Four tightening configurations are used in the testing of each double bolted joint. These configurations permit each of the two bolts to be either tight or loose. The analytical part of the study utilizes a 3-D finite element model that simulates the bolt tightness and the multilayered composite coupons. The experimental and finite element results are correlated.
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February 2007
Research Papers
Effect of Bolt Tightness on the Behavior of Composite Joints
Sayed A. Nassar,
Sayed A. Nassar
Fastening and Joining Research Institute, Department of Mechanical Engineering,
Oakland University
, Rochester, MI 48309
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Vinayshankar L. Virupaksha,
Vinayshankar L. Virupaksha
Fastening and Joining Research Institute, Department of Mechanical Engineering,
Oakland University
, Rochester, MI 48309
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Saravanan Ganeshmurthy
Saravanan Ganeshmurthy
Fastening and Joining Research Institute, Department of Mechanical Engineering,
Oakland University
, Rochester, MI 48309
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Sayed A. Nassar
Fastening and Joining Research Institute, Department of Mechanical Engineering,
Oakland University
, Rochester, MI 48309
Vinayshankar L. Virupaksha
Fastening and Joining Research Institute, Department of Mechanical Engineering,
Oakland University
, Rochester, MI 48309
Saravanan Ganeshmurthy
Fastening and Joining Research Institute, Department of Mechanical Engineering,
Oakland University
, Rochester, MI 48309J. Pressure Vessel Technol. Feb 2007, 129(1): 43-51 (9 pages)
Published Online: March 6, 2006
Article history
Received:
December 31, 2004
Revised:
March 6, 2006
Citation
Nassar, S. A., Virupaksha, V. L., and Ganeshmurthy, S. (March 6, 2006). "Effect of Bolt Tightness on the Behavior of Composite Joints." ASME. J. Pressure Vessel Technol. February 2007; 129(1): 43–51. https://doi.org/10.1115/1.2389000
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