【摘要】 采用化学蚀刻法测定了氚在不锈钢材料中的纵向分布。结果表明,此法能较好地定量评估氚在不锈钢材料中的分布情况;在长期充氚不锈钢样品中,分布在晶格中的氚量以室温时的溶解度为限,其余的则以"气态氚"的形式被附近的陷阱捕获,"气态氚"含量比晶格中的固溶氚大许多倍。更多还原

【Abstract】 The depth distribution of tritium in stainless steel was measured by chemical etching.The results show that the method can more quantitatively evaluate the tritium distributing in stainless steel.The maximum amount of tritium which distributed in crystal lattice of stainless steel is limitted by its solubility at room temperature.The other form of tritium in stainless steel is gaseous tritium that are trapped by defects,impurities,fractures,etc.within it.The gaseous tritium is several times more than the solid-dissolved tritium.更多还原