01290nam a2200229 c 4500001001300000005001500013008004100028040001100069041001300080052003100093245026800124300002100392545009000413545009000503653019500593700005300788700001400841773014200855856002000997900002901017900001401046KSI00023753920040713103445040622s1997    ulk           000   kor    a0110010 akorbeng01a530.7505b한519ㅂc17(1)00aPVDF 수침용 고주파수 초음파 탐촉자의 검출장과 Cr-Ni 강에서의 결함 검출능 측정=xCharacteristics of high frequency ultrasonic transducer employing polyvinylidene fluoride and detectability of flaw in Cr-Ni steel/d김병극,e이승석  ap. 23-30;c26 cm  a김병극, 한국표준과학연구원 방재기술연구센터 비파괴평가그룹  a이승석, 한국표준과학연구원 방재기술연구센터 비파괴평가그룹  aPVDFa수침용a고주파수a초음파a탐촉자a검출장aCr-Ni 강a결함 검출능aHigh frequencyaUltrasonicaTransduceraPolyvinylidene fluorideaDetectabilityaFlawaCr-Ni steel1 a김병극,g金炳克,d1960-0KAC2018452224aut1 a이승석0 t비파괴검사학회지.d韓國非破壞檢査學會.g제17권 1호(1997년 4월), p. 23-30q17:1<23w(011001)KSE199508510,x1225-784240u1989756aKd00210aKim, Byoung-Geuk,d1960-10aLee, S.S.