01738oam 2200469 450 991070566750332120170908135401.0(CKB)5470000002451720(OCoLC)986530036(EXLCZ)99547000000245172020170510j200208 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierForeign object damage behavior of two gas-turbine grade silicon nitrides by steel ball projectiles at ambient temperature /Sung R. Choi [and three others]Cleveland, Ohio :National Aeronautics and Space Administration, Glenn Research Center,August 2002.1 online resource (19 pages) illustrationsNASA/TM ;2002-211821"August 2002.""Performing organization: National Aeronautics and Space Administration, John H. Glenn Research Center at Lewis Field"--Report documentation page.Includes bibliographical references (pages 18-19).Impact damagenasatFracture strengthnasatBallsnasatCracksnasatForeign bodiesnasatImpact damage.Fracture strength.Balls.Cracks.Foreign bodies.Choi Sung Rak1950-1389780NASA Glenn Research Center,GPOGPOGPOBOOK9910705667503321Foreign object damage behavior of two gas-turbine grade silicon nitrides by steel ball projectiles at ambient temperature3534690UNINA