3Smith N J, McGrath J T, Gianetto J A, et al. Microstructure/mechanical property relationships of submerged arc welds in HSLA 80 steel[J]. Welding Journal, 1989, 68(3): 112- 120.
4Hattingh R J, Pienaar G. Weld HAZ embrittlement of Nb containing C- Mn steels[J]. Intematianal Journal of Pressure Vessels and Piping, 1998, 75(9) : 661 - 677.
5Wang G R, North T H, Leewis K G. Mieroalloying additions and HAZ fracture toughness in HSLA steels[ J ]. Welding Journal, 1990, 69(1): 14-22.
6Rigsbee J M, Aaronson H I. The interfaeial structure of the broad face of ferrite plates[J]. Acta Metallurgica, 1979, 27(3): 365 - 376.
7Nordberg H, Aronsson B. Solubility of niobium carbide in austenite [J]. Journal of Iron and Steel Institute, 1968, 206(12): 1263- 1266.
8Dumitrescu L F, Hillert M. Reassessment of the solubility of TiC and TiN in Fe[J]. ISIJ International, 1999, 39(1): 84-90.
9Maugis P. Goune M. Kinetics of vanadium carbonitride precipitation in steel: A computer model [J]. Acta Materialia, 2005, 53 ( 12 ) : 3359 - 3367.
