Transient high heat load tests on pure ultra-fine grained tungsten fabricated by resistance sintering under ultra-high pressure

被引：29
|
作者：
Zhou, Zhangjian [1 ,2 ]
Pintsuk, Gerald [2 ]
Linke, Jochen [2 ]
Hirai, Takeshi [2 ]
Roedig, Manfred [2 ]
Ma, Yao [1 ]
Ge, Changchun [1 ]
机构：
[1] Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing 100083, Peoples R China
[2] Forschungszentrum Julich GmbH, EURATOM Assoc, D-52425 Julich, Germany
来源：
FUSION ENGINEERING AND DESIGN | 2010年 / 85卷 / 01期
关键词：
Tungsten; Ultra-fine grain; Plasma facing materials; Transient high heat load; PLASMA-FACING MATERIALS; FUSION-REACTORS; ITER DIVERTOR; PERFORMANCE; COMPONENTS; SIMULATION; SURFACES; GRADES; WALL;
D O I：
10.1016/j.fusengdes.2009.08.003
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
Ultra-fine grained tungsten specimens with a grain size from the submicron range to several microns were fabricated by resistance sintering under ultra-high pressure. Transient heat loads were applied on the tungsten specimens at room temperature for a pulsed duration of 5 ms at different power density of 0.22, 0.33. 0.44 and 0.55 GW m(-2), respectively, by using an electron beam facility. The crack formations and surface melting behaviors under transient heat load were investigated. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：115 / 121
页数：7
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