【摘 要】
：
将混沌理论引入电化学噪声(EN)谱的数据解析,对有机涂层失效过程和应力腐蚀过程的EN数据进行分析,采用关联维数表征局部腐蚀过程,取得了一些有意义的结果。分析了环氧酚醛/镀
【基金项目】
：
国家自然科学基金项目(51701140)
论文部分内容阅读
将混沌理论引入电化学噪声(EN)谱的数据解析,对有机涂层失效过程和应力腐蚀过程的EN数据进行分析,采用关联维数表征局部腐蚀过程,取得了一些有意义的结果。分析了环氧酚醛/镀锡薄钢板失效过程的EN特征,通过计算涂覆镀锡薄钢板腐蚀过程的电化学电位噪声(EPN)谱特征,发现EPN对应的关联维数值随着局部腐蚀程度的加剧有增加的趋势。采用混沌相空间重构理论分析了304不锈钢应力腐蚀过程的电流噪声谱,利用关联维数表征应力腐蚀过程。数据计算结果表明应力腐蚀初期其相空间轨迹呈圆球形,应力腐蚀后期则变为椭圆形。研究结果表明,
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