니오븀함량에 따른 치과용 Ti-xNb 합금의 물리적 성질
Physical Properties of Dental Ti-xNb Alloys as Niobium Content Increases
박일송, 박정은, 지정희, Jin Guang-Chun, 윤동주, 박주미,
소속 상세정보
박일송 ( Park Il-Song ) - 전북대학교 치과대학 치과생체재료학교실
박정은 ( Park Jung-Eun ) - 전북대학교 치과대학 치과생체재료학교실
지정희 ( Ji Jeong-Hui ) - 전북대학교 치과대학 치과생체재료학교실
( Jin Guang-Chun ) - Binzhou Medical University School of Stomatology
윤동주 ( Yoon Dong-Joo ) - 순천대학교 산학협력중심대학 육성사업단
박주미 ( Park Ju-Mi ) - 전북대학교 치과대학 치과보철학교실
KMID : 0362220110380010075
Abstract
The materials currently used for surgical implants include 316L stainless steel (316LSS), cobalt chromium (Co?Cr) alloys and titanium and its alloys. Elements such as Ni, Cr and Co are found to be released f rom the stainless steel and cobalt chromium alloys due to the corrosion in the body environment. The materials currently used for surgical implants include 316L stainless steel (316LSS), cobalt chromium (Co?Cr) alloys and titanium and its alloys. Elements such as Ni, Cr and Co are found to be released f rom the stainless steel and cobalt chromium alloys due to the corrosion in the body environment. The relative i ntensity o f β p hase increased a ccording to t he increase of niobium contents. Also the dendrite structures were changed to globular structures with increasing niobium contents. The microhardness values and corrosion resistance of all the Ti-xNb alloys were significantly higher than that of pure Ti and the Ti-37Nb alloy showed the best corrosion resistance among the other groups.
키워드
Addition of Nb; Corrosion resistance; Microhardness; Ti-xNb alloys
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