The Surface Weak Magnetic Signals of Low Carbon Steel under Cyclic Loads

Jun Jie Yuan; Wei Min Zhang

doi:10.4028/www.scientific.net/AMR.298.197

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 298The Surface Weak Magnetic Signals of Low Carbon...

The Surface Weak Magnetic Signals of Low Carbon Steel under Cyclic Loads

Abstract:

The magnetization induced by applied cyclic stresses on low carbon steel samples was studied through experiments by using a high sensitive magnetic sensor. The stress-magnetic coupling under cyclic tensile stress was researched during static, cyclic and fatigue loading process respectively. The results indicate the consistency and also some contradiction with existing conclusions of metal magnetic memory theory or magneto-mechanical researches. It is put forward that the stress induce magnetization is dependent on both applied stress and micro structure abnormality in ferromagnetic materials. Then the potential applications of the stress-magnetic coupling behavior were proposed.

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Periodical:

Advanced Materials Research (Volume 298)

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197-202

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.298.197

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Online since:

July 2011

Authors:

Jun Jie Yuan, Wei Min Zhang

Keywords:

Cyclic Stress, Magnetic Abnormality, Stress-Induced Magnetization, Weak Magnetic Test

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