用慢正电子束研究H/He中性束辐照W-ZrC合金中的缺陷演化

田雪芬, 刘翔, 龚敏, 张培源, 王康, 邓爱红

Defect Evolution in H/He Neutral Beam Irradiated W-ZrC Alloy Using Positron Annihilation Spectroscopy

TIAN Xuefen, LIU Xiang, GONG Min, ZHANG Peiyuan, WANG Kang, DENG Aihong

表3 不同辐照条件下的W-ZrC样品的正电子有效扩散长度 (nm)

Table 3 The effective positron diffusion lengths of W-ZrC alloy samples under different irradiation conditions

Sample No. S-layer (1) S-layer (2) S-layer (3) 1 2.22±0.15 25.5±2.0 50.1±5.6 2 3.78±0.13 - 64.6±4.5 3 4.96±0.45 52.9±6.1 74±17 4 6.2±3.2 48.8±4.3 75±10