W is considered a potential candidate as a plasma facing material for future nuclear fusion devices because of its high melting point,low sputtering rate,and low H or He solubility[1-3].In a fusion environment,W will ...W is considered a potential candidate as a plasma facing material for future nuclear fusion devices because of its high melting point,low sputtering rate,and low H or He solubility[1-3].In a fusion environment,W will be in direct contact with heat flux,H/He particle fluxes,and the irradiation of high-energy neutrons,causing several defects to be generated,which decrease the service life of W materials.展开更多
基金supported by the National Magnetic Confinement Fusion Program(Grant No.2013GB109002)the National Natural Science Foundation of China(Grant Nos.51171008,and 51325103)
文摘W is considered a potential candidate as a plasma facing material for future nuclear fusion devices because of its high melting point,low sputtering rate,and low H or He solubility[1-3].In a fusion environment,W will be in direct contact with heat flux,H/He particle fluxes,and the irradiation of high-energy neutrons,causing several defects to be generated,which decrease the service life of W materials.
