基于九脚磁传感器的残余奥氏体测量技术
The Retained Austenite Measurement Technology by Nine-feet Sensor
摘 要
为了更好地研究残余奥氏体的含量同饱和磁感应强度之间的关系，在饱和磁化原理的基础上，推导出交流磁导率同金属奥氏体含量之间的关系，利用有限元法对九脚传感器的结构参数进行优化，根据优化结果制作了九脚传感器，并测量了不同奥氏体含量的Q235钢样品，结果与标定结果吻合较好，证明该方法稳定性好、精度高，适合残余奥氏体含量的测量。
有限元法
磁导率
残余奥氏体
nine-feet probe
finite element method
magnetic permeability
retained austenite
Abstract
Based on the saturation magnetization, the relation of the retained content of austenite and ac magnetic permeability is deduced. Optimized by finite element method, the structure of nine feet probe is used to detect some Q235 samples with different austenite content. The results are in good agreement with the samples calibration, and it tells that this method is suitable to detect the content of residual austenite.
中图分类号 TG142.1 TB31 DOI 10.11973/wsjc201904007
所属栏目 试验研究
基金项目
收稿日期 2018/9/21
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备注魏明(1985-),男,博士研究生,实验师,主要从事铁磁材料的无损检测工作
引用该论文: WEI Ming,YIN Chunhao,MA Zhanguo,BAO Ke. The Retained Austenite Measurement Technology by Nine-feet Sensor[J]. Nondestructive Testing, 2019, 41(4): 34～38
魏明,殷春浩,马占国,包科. 基于九脚磁传感器的残余奥氏体测量技术[J]. 无损检测, 2019, 41(4): 34～38
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参考文献
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【3】ABARESHI M, EMADODDIN E. Effect of retained austenite characteristics on fatigue behavior and tensile properties of transformation induced plasticity steel[J]. Materials & Design,2011, 32(10):5099-5105.
【4】HAMMOOD A, LIETH H M. A study the effect of retained austenite on fatigue life of austempering ductile iron by using artificial neural networks[J]. International Journal of Current Engineering and Technology, 2013, 3(5):1946-1951.
【5】吴海燕. 残余奥氏体的摩擦诱发马氏体相变行为及其耐磨特性的研究[J]. 热加工工艺, 2007, 36(16):32-35.
【6】NIKOL'SKAYA V L, PEVZNER L M, OREKHOV N G. Effect of retained austenite on the properties of cast stainless steels[J]. Metal Science & Heat Treatment, 1975, 17(9):763-767.
【7】吴登真, 王平, 许德. 渗碳层中残余奥氏体含量的测定[J]. 汽车技术, 1988(5):27-33.
【8】WIRTHL E, ANGERER R, HAUZENBERGER K.确定小型试样中残余奥氏体和铁素体数量的便利设备[J]. 钢铁, 2005, 40(6):84-86.
【9】殷春浩. 两脚磁性探头的残余奥氏体含量检测传感器:中国, CN 202974942 U[P]. 2013-06-05.
【10】李晓阳, 韩赞东, 王柄方. 基于磁性法的钢中残余奥氏体含量测定方法与装置[J]. 理化检验-物理分册, 2014, 50(12):882-885.
【11】张玉成, 鞠新华, 孟杨,等. X90管线钢中残余奥氏体含量测量的XRD与磁性法比较[J]. 钢铁, 2014, 49(11):80-84.
【12】SICUPIRA F L, SANDIM M J R, SANDIM H R Z, et al. Quantification of retained austenite by X-ray diffraction and saturation magnetization in a supermartensitic stainless steel[J]. Materials Characterization, 2016, 115:90-96.
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