大功率风电机组用轴承钢中非金属夹杂物特征及来源分析
Journal of Wuhan University of Science and Technology(Natural Science Edition)（2016）
Abstract
采用非水溶液电解法萃取大功率风电机组用轴承钢轧材中的非金属夹杂物,结合SEM和EDS分析,对夹杂物的形貌、尺寸、成分及类型进行表征,并分析其可能来源.结果表明,该风电轴承钢轧材中非金属夹杂 物主要包括Al-Ca-Si-Mg系氧化物和Al-Ca-Si-Mg系硫化物两大类;在钢中T[O]含量仅为0.0007％时,仍存在以SiO2为主的Al-Ca-Si-Mg系大型夹杂物.
MoreKey words
wind turbine,bearing steel,nonaqueous solution electrolysis,non-metallic inclusion,Al-Ca-Si-Mg system,macro inclusion
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