Barkhausen noise analysis method 巴氏杂讯分析法
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。
The result shows that Barkhausen noise analysis is a feasible method for inspection on grinding burn of iron-magnetic materials, such as 300m steel.
研究结果表明，用巴氏杂讯分析法检测300 m钢类铁磁材料的磨削烧伤是可行的。
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