Diffusion and trapping of hydrogen isotopes in fusion materials need to be fully described in order to evaluate permeation and retention in fusion reactors walls and breeding blankets. Hydrogen gas permeation experiments have been conducted on Eurofer97 with pressures ranging from $10^1$ to $10^5$ Pa and temperatures between 473 K and 673 K, resulting in solubility $K$(T) (mol m⁻³ Pa${}^{-\raisebox{1ex}{$1$}\!\left/ \!\raisebox{-1ex}{$2$}\right.}$)= $1.76\cdot 10^{-1}exp\left(\raisebox{1ex}{$-0.27\left(\text{eV}\right)$}\!\left/ \!\raisebox{-1ex}{$k_{B}T$}\right.\right)$, diffusivity $D$(T) (m${}^2$ s⁻¹) $=2.52\cdot 10^{-7}exp\left(\raisebox{1ex}{$-0.16\left(\text{eV}\right)$}\!\left/ \!\raisebox{-1ex}{$k_{B}T$}\right.\right)$ and permeability $\Phi$(T) (mol m⁻¹ Pa${}^{-\raisebox{1ex}{$1$}\!\left/ \!\raisebox{-1ex}{$2$}\right.}$ s⁻¹) $=4.43\cdot 10^{-8}exp\left(\raisebox{1ex}{$-0.43\left(\text{eV}\right)$}\!\left/ \!\raisebox{-1ex}{$k_{B}T$}\right.\right)$. Trapping parameters have been investigated using thermal desorption spectrometry of deuterium-loaded samples coupled with parametric optimization, leading to detrapping energies $E_{\text{dt,1}}=0.51\mathrm{eV}$, $E_{\text{dt,2}}=1.27\mathrm{eV}$, $E_{\text{dt,3}}=1.65\mathrm{eV}$ and densities $N_{\text{t},1}=6.01\cdot 10^{25}$ m⁻³, $N_{\text{t},2}=6.44\cdot 10^{22}$ m⁻³, $N_{\text{t},3}=3.88\cdot 10^{23}$ m⁻³. This parametric optimization is performed using a kinetic surface model: the contribution of this model is compared to the results given by solubility and recombination rate models.

需要充分描述聚变材料中氢同位素的扩散和捕获，以评估在聚变反应堆壁和增殖毯中的渗透和滞留。在 Eurofer97 上进行了氢气渗透实验，压力范围为$10^1$ 到 $10^5$ Pa 和 473 K 和 673 K 之间的温度，导致溶解度 $钾$(T) (mol m ^-3 Pa${}^{-\raisebox{1ex}{$1$}\!\left/ \!\raisebox{-1ex}{$2$}\right.}$)= $1.76\cdot 10^{-1}经验值\left(\raisebox{1ex}{$-0.27\left(\text{电动汽车}\right)$}\!\left/ \!\raisebox{-1ex}{${克}_{乙}吨$}\right.\right)$, 扩散率 $D$（Tm值${}^2$ s ^-1 ) $=2.52\cdot 10^{-7}经验值\left(\raisebox{1ex}{$-0.16\left(\text{电动汽车}\right)$}\!\left/ \!\raisebox{-1ex}{${克}_{乙}吨$}\right.\right)$ 和渗透性 $\Phi$(T) (mol m ^-1 Pa${}^{-\raisebox{1ex}{$1$}\!\left/ \!\raisebox{-1ex}{$2$}\right.}$s ^-1 ) $=4.43\cdot 10^{-8}经验值\left(\raisebox{1ex}{$-0.43\left(\text{电动汽车}\right)$}\!\left/ \!\raisebox{-1ex}{${克}_{乙}吨$}\right.\right)$. 已使用载有氘的样品的热解吸光谱法与参数优化相结合研究了俘获参数，从而获得了俘获能量${乙}_{\text{dt,1}}=0.51\mathrm{电动汽车}$, ${乙}_{\text{dt,2}}=1.27\mathrm{电动汽车}$, ${乙}_{\text{dt,3}}=1.65\mathrm{电动汽车}$ 和密度 $N_{\text{吨},1}=6.01\cdot 10^{25}$ 米^-3 ,$N_{\text{吨},2}=6.44\cdot 10^{22}$ 米^-3 ,$N_{\text{吨},3}=3.88\cdot 10^{23}$ 米^-3。这种参数优化是使用动力学表面模型进行的：将该模型的贡献与溶解度和重组率模型给出的结果进行比较。