JSM 2005 - Toronto

Abstract #303970

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Legend: = Applied Session, = Theme Session, = Presenter
Activity Number: 109
Type: Contributed
Date/Time: Monday, August 8, 2005 : 8:30 AM to 10:20 AM
Sponsor: Section on Physical and Engineering Sciences
Abstract - #303970
Title: Projecting Hazard Rates for Aging Aircraft
Author(s): Peter Hovey*+ and Alan P. Berens
Companies: University of Dayton and University of Dayton
Address: 300 College Park Ave, Dayton, OH, 45469-2316, United States
Keywords: Sustainment ; hazard rate ; aircraft
Abstract:

The United States Air Force is being asked to use their aircraft beyond the original design life. Fatigue crack growth poses a serious threat to structural integrity of aging aircraft; however, the Air Force has limited information available about the extent of fatigue cracking in their fleets. This talk discusses one approach for predicting hazard rates for fatigue failures based on limited information and a simple model of how the crack size distribution progresses in time.

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Revised March 2005