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1 室温下W-ZrC合金样品基本参数

Table 1 Parameters of W-ZrC alloy samples at room temperature

Parameter Value Unit Density 19.07±0.04 g·cm-3 Relative density 99.7±0.2 % Average grain size 1.03±0.26 μm Hardness 6.7±0.2 GPa Ductile-brittle transition temperature About 100 oC Thermal conductivity 155±5 W·m-1·oC-1