LOCALIZED MULTIPLE BEAMED LASER PEENING OF CONNECTING ROD
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United States of America
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Issued Date -
Feb 6, 2025
app pub date -
Jul 31, 2023
filing date -
Jul 31, 2023
priority date (Note) -
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Abstract
A connecting rod for a vehicle and a method of laser peening a connecting rod. The connecting rod defines a pin opening at a first end and a cylindrical bore at a second end. A clear coating is applied on a first target surface and a second target surface of the connecting rod. The first and second opposing target surfaces are impinged in a localized area between the pin opening and the cylindrical bore with a plurality of pulses of pulsed laser beams. After laser peening, the localized area between the pin opening and the cylindrical bore exhibits compressive residual stresses at a depth of up to 0.75 millimeters.
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