Dust Formation from Arc Spots on Nanostructured Tungsten Surface

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Abstract

<p>Arcing experiments were conducted in the linear plasma device Pilot-PSI, where a pulsed plasma was superimposed to a steady state plasma. The arcing was observed by a fast framing camera, and the sample was analyzed with a transmission electron microscope. Observations of glowing objects released from the sample in response to the arcing and destruction of the fuzzy layer at the edge of the arc trail without significant melting suggested that dust was formed and released from the surface in response to arcing.</p>

Journal

  • Plasma and Fusion Research

    Plasma and Fusion Research 15 (0), 1205061-1205061, 2020-08-06

    The Japan Society of Plasma Science and Nuclear Fusion Research

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