Nondestructive Measurement of Hexavalent Chromium in Chromate Conversion Coatings Using X-ray Absorption Near Edge Structure
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概要
- 論文の詳細を見る
We developed a nondestructive evaluation technique of hexavalent chromium (Cr6+) in chromate conversion coatings on the basis of a pre-edge peak that appeared in an X-ray absorption near-edge structure (XANES) measured at the SPring-8 synchrotron radiation facility BL16B2. By applying this technique, a percentage of the hexavalent chromium in the actual chromate conversion coating has been evaluated. Furthermore, to determine the depth distribution of hexavalent chromium in the coating, grazing incidence X-ray fluorescence (GIXRF) measurement has been performed. From the data analysis, we found that hexavalent chromium concentration is decreased around the surface region of the coating.
- Japan Society of Applied Physicsの論文
- 2006-03-25
著者
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AWAJI Naoki
Fujitsu Laboratories Ltd.
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Nomura Kenji
Fujitsu Laboratories Ltd.
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Awaji Naoki
Fujitsu Laboratories, Ltd., 10-1 Morinosato-wakamiya, Atsugi, Kanagawa 243-0197, Japan
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Nomura Kenji
Fujitsu Laboratories, Ltd., 10-1 Morinosato-wakamiya, Atsugi, Kanagawa 243-0197, Japan
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