Barkhausen noise analysis (BNA) is a distinctive measure for testing microscopic stresses and metallurgical structure in ferromagnetic materials.
巴氏噪声分析(BNA)是一种检测铁磁材料微观应力及金相组织的独特方法。
In the structure parameter design of electromagnetic bearings, the error ignoring the ferromagnetic resistance in the magnetic circuit calculation was analyzed.
以实际工程应用为背景，针对电磁轴承的结构参数设计，分析了忽略铁磁材料磁阻对磁路计算带来的误差。
But this method can only be used to measure the ferromagnetic materials and is also sensitive to some factors like the ferromagnetic materials' structure.
但磁性应力测量法只能用于铁磁材料并且对铁磁材料结构等因素也敏感。
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