supported by the National Natural Science Foundation of China(nos.51575135,51622503,U1537206 and 51621091);the Natural Science Foundation of Heilongjiang Province of China(No.YQ2019E023).
Surface structure of C/C composites has been regulated through electrochemical corrosion at room temperature to modify the residual stress and improve the joining strength when brazed to Nb.The unique crevice corrosio...