http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
수소 환원 공정과 실리콘 확산 침투 처리 공정을 통한 이규화 몰리브덴 코팅층 형성
전인목 ( In Mok Jeon ),변종민 ( Jong Min Byun ),김세훈 ( Se Hoon Kim ),김진우 ( Jin Woo Kim ),김영도 ( Young Do Kim ) 대한금속재료학회(구 대한금속학회) 2012 대한금속·재료학회지 Vol.50 No.9
In this study, a molybdenum disilicide (MoSi2) coating process was investigated by hydrogen reduction and Si-pack cementation. At first, the metallic Mo coating was carried out by hydrogen reduction of MoO3 powder at 750℃ for various holding times (1, 2, 3 h) in hydrogen atmosphere. A 4.3 ㎛thick metallic molybdenum thin film was formed at 3 h. MoSi2 was obtained by Si-pack cementation on molybdenum thin film through hydrogen reduction processing. It was carried out using Si : Al2O3 : NH4Cl = 5 : 92 : 3 (wt%) packs at 900℃ for various holding times (30, 60, 90 min) in Ar atmosphere. When the holding time was 90 min, a MoSi2 layer was coated successfully and a 15.4 ㎛thickness was observed.