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  5. Numerical Simulation Study of Stress-Magnetism Coupling for Magnetic Memory Effect of the Defect and

Numerical Simulation Study of Stress-Magnetism Coupling for Magnetic Memory Effect of the Defect and

来源 :The 2nd International Conference on Structural Health Monito | 被引量 : 0次 | 上传用户：depewguy
【摘 要】
：
Magnetic dipole model is a kind of important method for studying magnetic leakage of ferromagnetic components with defects.In the paper,elliptic cylinder magnetic dipole model and multiple magnetized
【作 者】
：
WAN Qiang SUN Le NIU Hong-pan 
【机 构】
：
Institute of Systems Engineering,China Academy Of Engineering Physics(CAEP),Mianyang,Sichuan,China
【出 处】
：
The 2nd International Conference on Structural Health Monito
【发表日期】
：
2014年5期
【关键词】
：
defect magnetic leakage elliptic cylinder magnetic dipole model multiple magneti 
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　　Magnetic dipole model is a kind of important method for studying magnetic leakage of ferromagnetic components with defects.In the paper,elliptic cylinder magnetic dipole model and multiple magnetized pipes model are represented.Some magnetic leakage features of common defects,such as crack,hole,pit and slot,weld line which normal to surface of components are studied by the model.It provides a method and model to process magnetic leakage signal and identify and evaluate defects and weld line for ferromagnetic components.
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