Erosion yields of carbon under various plasma conditions in Pilot-PSI

K.E. Bystrov; J. Westerhout; M. Matveeva; A. Litnovsky; L. Marot; E. Zoethout; G.C. De Temmerman

doi:10.1016/j.jnucmat.2010.11.067

Erosion yields of carbon under various plasma conditions in Pilot-PSI

K.E. Bystrov, J. Westerhout, M. Matveeva, A. Litnovsky, L. Marot, E. Zoethout, G.C. De Temmerman

Research output: Contribution to journal › Article › Academic › peer-review

12 Citations (Scopus)

Abstract

Fine-grain graphite targets have been exposed to ITER divertor relevant plasmas in Pilot-PSI to address material migration issues in fusion devices. Optical emission spectroscopy and mass loss measurements have been employed to quantify gross chemical erosion and net erosion yields, respectively. Effects of the ion impact energy and target geometry on carbon erosion yields have been studied. It is concluded that temporal evolution of gross chemical erosion is strongly connected with changes in morphology of plasma-exposed surfaces. The net carbon erosion yield is increased when the targets are partly covered by insulating boron-nitride rings. © 2010 Elsevier B.V. All rights reserved.

Original language	English
Pages (from-to)	S149-S152
Journal	Journal of Nuclear Materials
Volume	415
Issue number	1, supplement
DOIs	https://doi.org/10.1016/j.jnucmat.2010.11.067
Publication status	Published - 2011

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10.1016/j.jnucmat.2010.11.067

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title = "Erosion yields of carbon under various plasma conditions in Pilot-PSI",

abstract = "Fine-grain graphite targets have been exposed to ITER divertor relevant plasmas in Pilot-PSI to address material migration issues in fusion devices. Optical emission spectroscopy and mass loss measurements have been employed to quantify gross chemical erosion and net erosion yields, respectively. Effects of the ion impact energy and target geometry on carbon erosion yields have been studied. It is concluded that temporal evolution of gross chemical erosion is strongly connected with changes in morphology of plasma-exposed surfaces. The net carbon erosion yield is increased when the targets are partly covered by insulating boron-nitride rings. {\textcopyright} 2010 Elsevier B.V. All rights reserved.",

author = "K.E. Bystrov and J. Westerhout and M. Matveeva and A. Litnovsky and L. Marot and E. Zoethout and {De Temmerman}, G.C.",

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doi = "10.1016/j.jnucmat.2010.11.067",

language = "English",

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T1 - Erosion yields of carbon under various plasma conditions in Pilot-PSI

AU - Bystrov, K.E.

AU - Westerhout, J.

AU - Matveeva, M.

AU - Litnovsky, A.

AU - Marot, L.

AU - Zoethout, E.

AU - De Temmerman, G.C.

PY - 2011

Y1 - 2011

N2 - Fine-grain graphite targets have been exposed to ITER divertor relevant plasmas in Pilot-PSI to address material migration issues in fusion devices. Optical emission spectroscopy and mass loss measurements have been employed to quantify gross chemical erosion and net erosion yields, respectively. Effects of the ion impact energy and target geometry on carbon erosion yields have been studied. It is concluded that temporal evolution of gross chemical erosion is strongly connected with changes in morphology of plasma-exposed surfaces. The net carbon erosion yield is increased when the targets are partly covered by insulating boron-nitride rings. © 2010 Elsevier B.V. All rights reserved.

AB - Fine-grain graphite targets have been exposed to ITER divertor relevant plasmas in Pilot-PSI to address material migration issues in fusion devices. Optical emission spectroscopy and mass loss measurements have been employed to quantify gross chemical erosion and net erosion yields, respectively. Effects of the ion impact energy and target geometry on carbon erosion yields have been studied. It is concluded that temporal evolution of gross chemical erosion is strongly connected with changes in morphology of plasma-exposed surfaces. The net carbon erosion yield is increased when the targets are partly covered by insulating boron-nitride rings. © 2010 Elsevier B.V. All rights reserved.

U2 - 10.1016/j.jnucmat.2010.11.067

DO - 10.1016/j.jnucmat.2010.11.067

M3 - Article

SN - 0022-3115

VL - 415

SP - S149-S152

JO - Journal of Nuclear Materials

JF - Journal of Nuclear Materials

IS - 1, supplement

ER -

Erosion yields of carbon under various plasma conditions in Pilot-PSI

Abstract

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