本文利用透射电镜观察了HR-2及SS321不锈钢注入He~+并在T<1023K不同温度退火后的He泡结构,发现T=0.45T_m是一个转变点,当0.3T_m
Nucleation and growth of He bubbles at different annealing temperatures T≤1023 K in stainless steels HR-2 and SS321, implanted with He~+ (40—70 keV, 1×10~(16)-6×10~(17) He~+ /cm~2), were observed under TEM. T=0.45T_m seems to be a transition temperature. The He bubbles continue mainly their nucleation at 0.3T_m
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