Small mock-upsof divertor plate were made by hot isostatic press welding,and the surface material is tungsten.A thermal cycling test was carried out for the mock-ups in vacuum;

• 用热等静压焊接方法制作了钨为表面的模拟偏滤器材料小试样,在真空室中用大功率电子束作为热源进行热疲劳试验。