Effects of Magnetizations on Three Dimensional Magnetic Flux Density of Pre-Cracked Medium Carbon Low Alloy Steel (JIS S45C)

Abstract:

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Fatigue failure of steel occurs when cracks form in a component and continue to grow to a size large enough to cause rupture. In order to understand the crack initiation and propagation phenomena, non-destructive evaluation methods that can be correlated to in-situ measurements around the crack tips are necessary. In the present work, we developed a scanning Hall probe microscope (SHPM) equipped in a GaAs film sensor to observe fatigue cracks at room temperature in air while they were growing. Medium carbon low alloy steels specimens (JIS S45C) were used in the experiments. Only the area around the crack tip was magnetized and the changes at the crack tips were observed.

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Periodical:

Edited by:

Abdul Nassir bin Ibrahim, Meor Yusoff Meor Sulaiman, Wan Saffiey Wan Abdullah, Mohd Reusmaazran Yusof, Amry Amin Abas and Khairiah Mohd Yazid

Pages:

230-236

DOI:

10.4028/www.scientific.net/AMM.83.230

Citation:

K. Kida et al., "Effects of Magnetizations on Three Dimensional Magnetic Flux Density of Pre-Cracked Medium Carbon Low Alloy Steel (JIS S45C)", Applied Mechanics and Materials, Vol. 83, pp. 230-236, 2011

Online since:

July 2011

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$35.00

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