Structure of the carbon layers deposited on the toroidal pump limiter of Tore Supra

被引：12

作者：

Martin, C. ^{[1
]}

Ruffe, R.

Pardanaud, C.

Cabie, M. ^{[2
]}

Dominici, C. ^{[2
]}

Dittmar, T. ^{[3
]}

Languille, P. ^{[3
]}

Pegourie, B. ^{[3
]}

Tsitrone, E. ^{[3
]}

Roubin, P.

机构：

[1] Univ Aix Marseille 1, Ctr St Jerome, CNRS, PIIM,UMR 6633,Serv 242, F-13397 Marseille 20, France

[2] Univ Aix Marseille 3, CP2M, Ctr St Jerome, F-13397 Marseille 20, France

[3] CEA, IRFM, F-13108 St Paul Les Durance, France

来源：

JOURNAL OF NUCLEAR MATERIALS | 2011年 / 415卷 / 01期

关键词：

D O I：

10.1016/j.jnucmat.2010.11.006

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Scanning and transmission electron microscopy analyses have been performed for tiles extracted from the toroidal pump limiter of Tore Supra for erosion- and deposition-dominated zones. Deposit thicknesses have been estimated for the plasma-facing top and the gap side lateral surfaces. Deposit thickness profiles have been measured inside gaps, showing that deposition mainly occurs in the first millimetre and that both poloidal and toroidal gap deposition is asymmetric. Quantitative information on the deposit volume and on D-retention are thus obtained from these measurements. Carbon probed at the tile top surfaces is mainly amorphous carbon, due either to the amorphization induced by ion bombardment in the erosion dominated zone, or to deposit formation processes in the deposition-dominated zones. Deposits are tip-shaped and are oriented, which should give information on transport processes. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：S258 / S261

页数：4

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