Diffusion behavior of helium in titanium and the effect of grain boundaries revealed by molecular dynamics simulation
Cheng Gui-Jun1, Fu Bao-Qin2, †, , Hou Qing2, Zhou Xiao-Song1, Wang Jun2
       

Diffusion coefficient (D) along the y axis of the TB box as a function of temperature (T) for He in the TB region. The migration energy (ΔEy) of a He atom along the y axis in the TB region is less than that in bulk Ti.