Magnetic Test Method Used to Identify Plastic Deformation of Ferromagnetic Material

Feng Yun Yu; J.C. Zhang

doi:10.4028/www.scientific.net/AMR.670.97

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 670Magnetic Test Method Used to Identify Plastic...

Magnetic Test Method Used to Identify Plastic Deformation of Ferromagnetic Material

Abstract:

Metal magnetic memory testing (MMMT) technique is a kind of new NDT technique. It is interested by NDT area in recent years for its own advantages: early diagnosis, preventing sudden fatigue failure of equipments and the testing samples do not need to be magnetized. In order to find out the variation law of the residual magnetic strength of ferromagnetic material processed by different cutting method, axial tension tests about milling and flat surface grinding samples are completed in elastic and plastic deformation phase. The experimental results indicate that the magnetic strength variation law of two kinds of sample makes a great difference in the same deformation phase. The magnetic strength and standard deviation variation law of the grinding and milling samples are almost reverse. But there is a common ground of the two samples that when the material reaches yield phase, turning point occurs on both the residual magnetic strength and standard deviation curve. So we can identify whether there is plastic deformation according to the residual magnetic strength variation law of ferromagnetic material.

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Periodical:

Advanced Materials Research (Volume 670)

Pages:

97-100

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.670.97

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Online since:

March 2013

Authors:

Feng Yun Yu, J.C. Zhang

Keywords:

Ferromagnetic Material, Flat Surface Grinding, Metal Magnetic Memory, Milling, Plastic Deformation

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References

[1] A.A. Doubov, Editor. Diagnostics of Pipelines, Equipment and Designs by Means of Metal Magnetic Memory. Boiler and Pressure Vessel Inspection and Research Center, Beijing, (2002).

Google Scholar

[2] A. Doubov, Editor. Diagnostics of Metal and Equipment by Means of Metal Magnetic Memory, Rroceedings of CHSNDT 7th Conference on NDT and International Research Sympo-sium, (1999) October 27: Shantou, China.

Google Scholar

[3] F.Y. Yu, C.X. Zhang, and M. Wu, Editors. On Damage Evaluation Method of the Ferromagnetic Material Based on Weak Magnetic Field Detection Technology, 5th International Conference on Fracture and Damage Mechanics, (2006).

Google Scholar