Preparation of the liquid lithium divertor plates for NSTX

R. E. Nygren; G. R. McKee; J. A. Fordham; S. A. Lewis; H. Kugel; R. A. Ellis; M. E. Viola; J. S. O'Dell

doi:10.1016/j.jnucmat.2010.12.107

Preparation of the liquid lithium divertor plates for NSTX

R. E. Nygren
, G. R. McKee
, J. A. Fordham
, S. A. Lewis
, H. Kugel
, R. A. Ellis
, M. E. Viola
, J. S. O'Dell

PPPL Engineering

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

4 Scopus citations

Abstract

Each of the four toroidal panels of the liquid lithium divertor being installed in NSTX for operation in the 2010 campaign is a conical section inclined at 22° like the previous graphite divertor tiles. Each panel is a copper plate clad with stainless steel and a surface layer of porous plasma sprayed molybdenum (Mo) that will host lithium deposited from an evaporator. This paper describes the processes in fabrication; these include cutting to rough shape, die pressing into conical sections, machining to near final shape with holes for electrical heaters, thermocouples and a groove for a cooling tube, brazing of the 0.25-mm cladding and vacuum plasma spraying of the Mo coating.

Original language	English (US)
Pages (from-to)	592-596
Number of pages	5
Journal	Journal of Nuclear Materials
Volume	417
Issue number	1-3
DOIs	https://doi.org/10.1016/j.jnucmat.2010.12.107
State	Published - Oct 1 2011

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics
General Materials Science
Nuclear Energy and Engineering

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10.1016/j.jnucmat.2010.12.107

Cite this

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title = "Preparation of the liquid lithium divertor plates for NSTX",

abstract = "Each of the four toroidal panels of the liquid lithium divertor being installed in NSTX for operation in the 2010 campaign is a conical section inclined at 22° like the previous graphite divertor tiles. Each panel is a copper plate clad with stainless steel and a surface layer of porous plasma sprayed molybdenum (Mo) that will host lithium deposited from an evaporator. This paper describes the processes in fabrication; these include cutting to rough shape, die pressing into conical sections, machining to near final shape with holes for electrical heaters, thermocouples and a groove for a cooling tube, brazing of the 0.25-mm cladding and vacuum plasma spraying of the Mo coating.",

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AU - Nygren, R. E.

AU - McKee, G. R.

AU - Fordham, J. A.

AU - Lewis, S. A.

AU - Kugel, H.

AU - Ellis, R. A.

AU - Viola, M. E.

AU - O'Dell, J. S.

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AB - Each of the four toroidal panels of the liquid lithium divertor being installed in NSTX for operation in the 2010 campaign is a conical section inclined at 22° like the previous graphite divertor tiles. Each panel is a copper plate clad with stainless steel and a surface layer of porous plasma sprayed molybdenum (Mo) that will host lithium deposited from an evaporator. This paper describes the processes in fabrication; these include cutting to rough shape, die pressing into conical sections, machining to near final shape with holes for electrical heaters, thermocouples and a groove for a cooling tube, brazing of the 0.25-mm cladding and vacuum plasma spraying of the Mo coating.

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IS - 1-3

ER -

Preparation of the liquid lithium divertor plates for NSTX

Abstract

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