치과용 임플란트로 적용을 위한 스테인리스강 표면의 Ti/TiN film 증착
Ti/TiN Multilayer Film Deposition on Stainless Steel Surface for Application as Dental Implants
소속 상세정보
최한철/Han-Cheol Choe
고영무/백대화/박영록/박지윤/Yeong-Mu Ko/Dae-Hwa Back/Yeong-Roek Park/Ji-Yoon Park
KMID : 0362219990260010065
Abstract
결론
치과용 임플란트로 적용을 위하여 스테인리스강 표면에 TiN과 Ti/TiN flm을 증착한 후
미세조직, 내마모성 및 내식성을 조사한 결과 다음과 같은 결론을 얻었다.
1. 코팅 표면에는 crater, microdroplet등의 결함이 존재하며 거칠기는 코팅 전보다 증가하
였다.
2. 코팅층은 주상정조직으로 구성되며 특정방향으로 성장하였다.
3. 경도는 코팅되지 않은 경우에 비하여 크게 증가하며 Ti/TiN박막층이 높은 경도를 나타
내었다.
4. Ti/TiN을 코팅한 경우가 내마모성이 향상되고 모재의 Ti함량이 증가됨에 따라서도 내
마모성이 증가되었다.
5. NaCl 수용액에서 공식전위는 TiN박막코팅의 경우 모재의 Ti함유가 0.92wt%경우가 가
장 높으나 TiN코팅보다 Ti/TiN 코팅된 경우가 높게 나타나고 핏트의 수와 크기가 감소하
여 내공식성이 우수함을 보였다.
#초록#
A study on Ti/TiN film coating on stainless steels for application as dental implants
have been investigated. The stainless steels containing Ti were solutionized 1050。C for
1hr. Then the surface was deposited with Ti and TiN by using electron-beam
deposition method. The deposited layer and microstructure were analyzed by using XRD,
WDX, XPS and SEM. The hardness and wear resistance of deposited surface were
examined and corrosion behavior were investigated by using potentiostat, XPS and SEM.
The results were as follows:
1. Some defects showed on the deposited surface, such as crater and microdroplet, and
surface roughness increased in all specimen after TiN deposition.
2. Ti/TiN deposited layer showed columnar structure which nucleated and grew on
the special crystalline direction and plane: Ti/TiN layer TiN(220) and TiN(200).
3. The hardnesses of Ti/TiN layer was higher than that of TiN layer.
4. In case of stainless steel containing high Ti content, Ti/TiN layer showed better
wear resistance than that of TiN layer.
5. Pitting potential of TiN aim in NaCl solution increased as Ti content increased, but
pitting potential of Ti/TiN film were not affected by the Ti content of substrate. Pitting
potential of Ti/TiN film showed high value than that of TiN film in NaCl solution. The
number and size of pits were apparently decreased by Ti/TiN film deposition on the
stainless steel.
dental implant; titanium nitride film; columnar structure; pitting potential electron-beam deposition;
키워드
원문 및 링크아웃 정보
등재저널 정보