福州大学学报（自然科学版）2011，Vol.39Issue(4)：561-567,7.DOI:CNKI:35-1117/N.20110705.1518.014
反复熔铸对镍铬烤瓷合金离子析出影响的研究
Effects of recasting on the elemental ion release from nickel-chromium ceramic alloys
摘要
Abstract
According to ISO 10271, rectangular samples of nickel - chromium ceramic alloys were recast for 1 ~ 5 times under the circumstance of vacuum compressive casting with argon. All samples were heat - treated for 10 min in air at 960 ℃. Each sample was polished and placed in a tube added corrosive liquid (0.1 mol · L-1 NaCl, pH =2.35) and conserved for 7 and 70 days at 37 ℃. After corrosion, the solution of each specimen was tested by inductively coupled plasma atomic emission spectrometer (ICP). And the weight of every specimen was tested before and after immersing. With scanning electron microscope, the surface characteristics of samples were observed before and after test. As the result shows, the corrosion resistance of nickel - chromium ceramic alloys did not decrease statistically, which were cast 1-5 times without adding new alloy under the circumstance of vacuum compressive casting with argon.关键词
镍铬烤瓷合金/反复熔铸/离子析出/失重法Key words
nickel - chromium ceramic alloys/ recast/ ion element release/ weight loss分类
医药卫生引用本文复制引用
郑明,程辉,童新文,梁鸣,章少萍,李秀容..反复熔铸对镍铬烤瓷合金离子析出影响的研究[J].福州大学学报（自然科学版）,2011,39(4):561-567,7.基金项目
福建省自然科学基金资助项目(2009J01139) （2009J01139）
福建医科大学教授基金资助项目(JS08017) （JS08017）
福建医科大学口腔医学院优先发展学科建设基金资助项目(2008-39) （2008-39）
