钴铬烤瓷合金反复熔铸后电化学腐蚀性能变化  

Effect of recasting on electrochemical corrosion of cobalt-chromium ceramic alloys

作　　者：黄聪明[1] 童新文[2,3] 施巧蕊[2] 李强[4] 郑明[2,3] 程辉[2,3] 

机构地区：[1]福建医科大学附属第二医院口腔科,福建泉州362000 [2]福建医科大学附属口腔医院修复科,福建福州350002 [3]福建医科大学口腔生物力学及美学研究中心,福建福州350002 [4]福州大学材料科学与工程学院,福建福州350108

出　　处：《福州大学学报（自然科学版）》2012年第6期814-817,共4页Journal of Fuzhou University(Natural Science Edition)

基　　金：福建省社会发展重大科技资助项目(2011Y4001);福建省科技计划重点资助项目(2010Y0024);福建省科技攻关重点资助项目(2007Y0061);福建医科大学附属口腔医院优先发展学科建设资助项目([2008]39号)

摘　　要：为研究钴铬烤瓷合金反复熔铸后电化学腐蚀性能的变化,按照ISO 10271标准,将钴铬烤瓷合金在真空加压氩气保护环境下,分别经过1～3次反复熔铸,制成方形试样,采用电化学工作站测试其在37℃、pH=7.4氯化钠溶液中的电化学腐蚀性能(Ecorr、Ep、Icorr).结果表明,在氩气保护真空加压铸造环境中,钴铬烤瓷合金经过1～3次单纯反复熔铸,各电化学性能参数变化无显著差异.To investigate the effect of recasting on the electrochemical corrosion of cobalt-chromium ceramic alloys,according to ISO 10271-2011,the cobalt-chromium ceramic alloys which have been cast and recast for 1~3 times under the circumstance of vacuum compressive casting with argon were studied by potentiodynamic polarization in artificial saliva（t=37.0 ℃,pH=7.4）.The results showed that there presented no statistical difference in the electrochemical corrosion among three generations of cobalt-chromium ceramic alloys which were cast under the circumstance of vacuum compressive casting with argon.

关 键 词：钴铬烤瓷合金 反复熔铸 电化学腐蚀 

分 类 号：R783.1[医药卫生—口腔医学]