巴克豪森噪声在电站用铁磁材料疲劳寿命评估领域的研究现状

摘要

介绍了国内外应用巴克豪森噪声检测技术在电站用铁磁材料疲劳寿命评估中的研究状况.分析、总结巴克豪森噪声与显微结构特征的内在关系以及巴克豪森噪声疲劳寿命预测曲线的研究进展,并指出该技术存在的问题和今后发展的方向.%The domestic and abroad research status of magnetic Barkhausen noise in fatigue life assessment of ferromagnetic material used in power plants was introduced. After a detailed analysis of the interaction between Barkhausen noise and the microstructure features, the research progresses in fatigue life prediction curves were summarized. Finally, the problems and developing directions of this technique were pointed out.