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为了评价聚变堆包层用Fe-Al/Al_2O_3复合涂层的阻氚性能,建立系统、准确的涂层材料中氢同位素浓度深度分布的分析方法,选择了CLAM钢基材、Fe_2Al_5渗铝层、Fe-Al/Al_2O_3、Fe-Al/α-Al_2O_3复合涂层等典型样品作为研究对象,开展了模拟聚变堆产氚包层(TBM)工况下(550℃温度、1 kPa氘/氚压条件)的充氘及渗氚实验,采用辉光放电光谱(GDOES)、氚成像(TIP)及氚β衰变韧
In order to evaluate the resistance and trituration performance of the Fe-Al / Al_2O_3 composite coating for fusion cladding, a systematic and accurate analytical method for the depth distribution of hydrogen isotopes in the coating materials was established. The CLAM steel substrate, Fe_2Al_5 aluminized layer, Fe-Al / Al_2O_3 and Fe-Al / α-Al_2O_3 composite coatings were selected as the research objects. Under the conditions of 550 ℃ and 1 kPa deuterium / tritium pressure ) Deuterium infiltration and trituration experiments, using glow discharge spectroscopy (GDOES), tritium imaging (TIP) and tritium beta decay toughness