01089nam a2200241 c 4500001001500000005001500015008004100030040001900071041001300090049001800103052002200121056001400143082001600157100004800173245019300221260004200414300003400456502007600490653016400566740007600730950002100806963002000827KDM199315662  19941011182828940415s1990    ulkaf      CB 000   kor    a011001c0110010 akorbeng0 lEM1009858fDP01a530.43b홍487ㄷ  a530.43230 a620.1882191 a홍성현,g洪性賢,d1962-0KAC20184606600aW-Ni-Fe 중합금에서 불순물의 영향과 기계적 성질의 향상에 관한 연구=xEffect of impurities and improvement of mechanical properties in W-Ni-Feheavy alloy/d홍성현  a서울:b한국과학기술원,c1990  a124장:b삽도,도판;c26cm1 a학위논문(박사) --b한국과학기술원:c재료공학과,d1990  aWNIFEa중합금a불순물a영향a기계적a성질a향상aIMPURITIESaIMPROVEMENTaMECHANICALaPROPERTIESaWNIFEHEAVYaALLOYa더블류엔아이에프이0 a더블류-엔아이-에프이 중합금에서 불순물의 영향과...1 a비매품b\6100  a재료공학과