01680nam 2200481 450 991070585190332120170731091605.0(CKB)5470000002453898(OCoLC)995847414(EXLCZ)99547000000245389820170731j199808 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierAn evaluation of the plasticity-induced crack-closure concept and measurement methods /James C. Newman, JrHampton, Virginia :National Aeronautics and Space Administration, Langley Research Center,August 1998.1 online resource (26 pages) illustrationsNASA/TM ;1998-208430"August 1998.""Performing organization: NASA Langley Research Center"--Report documentation page.Includes bibliographical references (pages 23-26).Crack propagationnasatStress rationasatPlastic propertiesnasatAluminum alloysnasatFatigue (materials)nasatFatigue testsnasatCrack propagation.Stress ratio.Plastic properties.Aluminum alloys.Fatigue (materials)Fatigue tests.Newman J. C.878389Lewis Research Center,GPOGPOBOOK9910705851903321An evaluation of the plasticity-induced crack-closure concept and measurement methods3512743UNINA