In situ TEM observations of irradiation-induced phase change in tungsten

C. L. Chen; T. Nagase; H. Mori

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In situ TEM observations of irradiation-induced phase change in tungsten

机译：钨辐照引起的相变的原位TEM观察

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Electron irradiation-induced phase change in tungsten was examined by in situ high resolution electron microscopy. In samples prepared by a chemical polishing technique using a NaOH aqueous solution, an α to β phase change was induced under 200 keV electron irradiation at 773 K. It is suggested that sodium atoms deposited on the tungsten sample from the solution, rather than oxygen atoms, may play an essential catalytic role in inducing the phase change.

机译：通过原位高分辨率电子显微镜检查了钨中电子辐照引起的相变。在使用NaOH水溶液通过化学抛光技术制备的样品中，在773 K的200 keV电子辐照下，诱导了α至β的相变。建议钠离子从溶液中沉积在钨样品上，而不是氧原子可能在诱导相变中起重要的催化作用。

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《Journal of Materials Science》 |2009年第8期|p.1965-1968|共4页
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C. L. Chen; T. Nagase; H. Mori;
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6. In-situ TEM observation of the response of ultrafine- and nanocrystalline-grained tungsten to extreme irradiation environments [O] . O. El-Atwani, J. A. Hinks, G. Greaves, -1

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8. In situ transmission electron microscope studies of irradiation-induced and irradiation-enhanced phase changes [R] . Allen, C. W. 1991

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In situ TEM observations of irradiation-induced phase change in tungsten

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