偏滤器用钨基材料的热负荷损伤行为研究进展

罗来马, 陈宇, 姚刚, 朱晓勇, 朱大焕, 吴玉程

Research Progress on Heat Load Damage Behavior of Tungsten-Based Materials for Divertor

LUO Laima, CHEN Yu, YAO Gang, ZHU Xiaoyong, ZHU Dahuan, WU Yucheng

表2 单次热负荷测试中W-K-xY合金和纯W的耐热负荷能力对比^[71~73]

Table 2 Comparisons of heat load resistances between W-K-xY alloys and pure W on a single thermal shock test^[71-73]

Alloy	Heat flux power density GW·m^-2	Behavior	Ref.
W-K-0.05Y	0.62	Not cracking	[71]
W-K-0.10Y	0.62	Not cracking	[71]
W-K-0.25Y	0.50	Not cracking	[71]
W-K-0.50Y	0.50	Cracking	[71]
Deformed pure W	0.33	Cracking	[72]
ITER-reference W	> 0.30	Cracking	[73]