运用扫描电子显微镜(SEM)及氘的定量深度分布测量,系统地研究了在氘离子轰击下金属钨和钼的损伤情况, 特别是钨表面气泡的形成及机制,以及氘在表面层的滞留量与气泡形成机制之间的关系。D+能量为100—1000eV, 轰击注量为11019—11021cm-2。轰击过程中靶表面温度分别控制在室温、600℃和800℃。研究结果为聚变堆壁材料的选择提供了依据。 Using scanning electron microscopy (SEM) and deuterium quantitative depth distribution measurements, the damage of tungsten and molybdenum metal under deuterium ion bombardment was systematically studied, especially the formation and mechanism of bubbles on the surface of tungsten and the retention of deuterium on the surface layer Relationship with bubble formation mechanism. D + energy is 100-1000eV, bombardment is 11019-11021cm-2. During the bombardment, the target surface temperatures were controlled at room temperature, 600 ° C and 800 ° C, respectively. The results provide the basis for the choice of fusion wall materials.