Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Reexamination Certificate
2007-03-20
2007-03-20
Crispino, Richard (Department: 1733)
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
C072S053000
Reexamination Certificate
active
10283546
ABSTRACT:
A method is provided for altering residual stresses in a fiber-metal-laminate structure. At least a first fiber laminate substrate layer having first and second surfaces is provided. At least a first outer metallic laminate layer having third and fourth surfaces is provided, and the first and fourth surface is provided, and the first and fourth surfaces are bonded together. The third surface is peened, such that the at least first fiber laminate substrate layer is subjected to residual tensile stresses and the at least first outer metallic laminate layer is subjected to residual compression stresses. Peening defines a peened region that extends from the third surface into the at least first outer metallic laminate layer a finite distance that is closer to the third surface than the fourth surface.
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Everett et al. The Effects of Shot and Laser Peening on Fatigue Life and Crack Growth in 2024 Aluminum Alloy and 4340 Steel. U.S. Army Research Laboratory, Langley Research Center, Hampton, VA. Dec. 2001.
Micona Leanna M.
Van Beek Earl E.
Westre Willard N.
Crispino Richard
Lee & Hayes PLLC
Schatz Christopher T.
The Boeing Company
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