口腔修复用钛锆铌锡合金研制及铸造性能研究  

Casting performance of Ti-Zr-Nb-Sn alloy for dental restoration

作　　者：胡欣[1] 李长义[1] 邓嘉胤[1] 刘霜[1] 张连云[1] 

机构地区：[1]天津医科大学口腔医院,副主任医师天津300070

出　　处：《中华老年口腔医学杂志》2013年第1期2-6,共5页Chinese Journal of Geriatric Dentistry

基　　金：天津市应用基础研究计划重点项目(07JCZDJC07100);高等学校博士学科点专项科研基金(200800620006)

摘　　要：目的:研制口腔修复用钛锆铌锡(Ti-12.5Zr-3Nb-2.5Sn)合金,并评价合金铸造加工性能。方法:制备Ti-Zr-Nb-Sn合金,采用国产LZ5型离心铸钛机铸造试样,测试合金的铸流率,铸造反应层和线收缩率。结果:400℃时铸造,合金铸流率为100%,铸造线收缩率,表面反应层满足修复支架的铸造要求。结论:Ti-12.5Zr-3Nb-2.5Sn合金具有良好铸造加工性能,可满足口腔修复材料的临床应用要求。Objective： A new titanium alloy（Ti-12.5Zr-3Nb-2.5Sn） was developed to meet the needs of clinical requirements for medical titanium alloys and casting performance of Ti-12.5Zr-3Nb-2.5Sn alloy.Methods： Samples of a newly developed Ti-Zr-Nb-Sn alloy were prepared.Samples were casted by LZ5-centrifugal casting machine.Casting temperature of the titanium alloy and the casting flow rate were detected.Casting reaction layer and linear shrinkage were evaluated.Results： The casting flow rate was 100% when the alloy were casted at 400℃.Linear shrinkage and the surface reaction layer met the demands.Conclusions： Ti-12.5Zr-3Nb-2.5Sn alloy,as a dental restoration material,was proved to possess favorable mechanical and casting performance properties.

关 键 词：口腔修复 钛锆铌锡合金 铸造性能 

分 类 号：R783.1[医药卫生—口腔医学]