NASA Technical Memorandum 110307 Fatigue-Life Prediction Methodology Using Small-Crack Theory J. C. Newman, Jr. and E. P. Phillips Langley Research Center, Hampton, Virginia M. H. Swain Lockheed Martin Engineering and Sciences, Hampton, Virginia January 1997 National Aeronautics and Space Administration Langley Research Center Hampton, Virginia 23681-0001 CORE Metadata, citation and similar papers at core.ac.uk Provided by NASA Technical Reports Server