3[1]Shin H S,Lee H M.Impact tensile behavior of 9% nickel steel at low temperature[J].Internation Journal of Impact Engineering,2000,24:571-581.
4Fukuhisa M, Kenji I, Jimsun L. Weld HAZ toughness and its improvement of low alloy steel SQV - 2A for pressure vessels[J]. Trans. JWRI, 1993, 22(2): 271-276.