Measurement of Internal Strain in Materials Using High Energy White X-Ray at SPring-8

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This paper presents a basic research on a measurement of strain in the bulk of materials by using high energy white X-ray from a synchrotron radiation source of SPring-8 in Japan. A high-tensile strength steel (JIS-SHY685) was used as a specimen loaded with bending. Strain distribution in it was evaluated by the energy dispersive method using diffracted X-ray transmitted through the specimen. As a result, the internal strain of high-tensile steel of 5, 10 and 15 mm thickness could be evaluated using white X-ray which range of energy from 50 keV to 150 keV. The measurement with a high degree of accuracy was accomplished using α-Fe321 diffraction in this material. The results showed that the internal strain measurement in the depth of the order of millimeter using the high energy white X-ray is practicable at SPring-8.

Info:

Periodical:

Materials Science Forum (Volumes 571-572)

Edited by:

A. R. Pyzalla, A. Borbély and H.-P. Degischer

Pages:

267-270

DOI:

10.4028/www.scientific.net/MSF.571-572.267

Citation:

J. Shibano et al., "Measurement of Internal Strain in Materials Using High Energy White X-Ray at SPring-8 ", Materials Science Forum, Vols. 571-572, pp. 267-270, 2008

Online since:

March 2008

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$35.00

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