7Barnes A.The influence of composition on microstructural development and toughness of modified 9% Cr-1% Mo weld metals[R] .UK:Report TWI,Abington, 1995.507-518.
8Sireesha M, Albert S K, Sundaresan S. Importance of filler material chemistry for optimising weld metal mechanical properties m modified 9Cr-1Mo steel[J].Science and Technologyof Welding and Joining, 2001,6(4) :247-254.