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- 2015
镁钙合金表面贻贝类吸附蛋白膜的NaIO4氧化处理及抗腐蚀性能
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Abstract:
摘要 利用极化曲线及电化学阻抗谱，并结合扫描电镜、原子力显微镜、电子探针显微镜及红外光谱技术研究氧化处理对镁钙合金表面贻贝类吸附蛋白膜层抗蚀性能的影响. 结果表明，在NaIO4氧化作用下，镁钙合金表面的贻贝吸附蛋白（Mefp-1）膜层由孔状结构转变为网状结构，且趋于均匀致密；未氧化处理的蛋白膜层对镁钙合金的保护作用随时间逐渐增加，而氧化处理的蛋白膜层使镁钙合金的点蚀电位正移，3 d时其腐蚀保护性能达到最佳，浸泡时间延长，膜层的防护性能略有下降
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