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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 566Effect of Off-Center Magnetization Location on...

Effect of Off-Center Magnetization Location on Changes in Magnetic Fields under Single Spherical Hertzian Contact

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Abstract:

Tribological failure of machine components, such as wear and flaking failure is caused by contact stress concentration. However, observation of stress under contact load is a difficult task. Non-destructive methods that can be related to contact conditions are necessary to study and understand the phenomena caused by the contact stresses. In the present work, a scanning Hall probe microscope (SHPM) equipped with a GaAs film sensor was used to observe the three-dimensional magnetic fields in a long square bar specimen (JIS-SUJ2) before and after contact tests at 196N. It was found that the changes in the three-dimensional magnetic fields caused by spherical Hertzian contact are not affected by the location of the magnetization point on the specimen's surface.

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Periodical:

Advanced Materials Research (Volume 566)

Pages:

103-108

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.566.103

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Online since:

September 2012

Authors:

Katsuyuki Kida, Megumi Uryu, Takashi Honda, Edson Costa Santos, Kenichi Saruwatari

Keywords:

Hertzian Contact, JIS SUJ2 Steel, Magnetic Flux Density, Scanning Hall Probe Microscopy

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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