The role of Cu and Al addition on the microstructure and fracture characteristics in the simulated coarse-grained heat-affected zone of high-strength low-alloy steels with superior toughness

References

• Bhadeshia HKDH, Honeycombe RWK. Steels microstructure and properties. 3rd ed. Oxford: Elsevier Ltd; 2006. p. 287.
   Google Scholar
• Kojima A, Yoshii K, Hada T, et al. Development of high HAZ toughness steel plates for box columns with high heat input welding. Nippon Steel Tech Rep. 2004;90:33–37.
   Google Scholar
• Bhadeshia HKDH. Bainite in steels. 2nd ed. London: IoM Communications; 2001.
   Google Scholar
• Matsuda F, Li Z, Bernasovsky P, et al. An investigation on the behaviour of the M-A constituent in simulated HAZ or HSLA steels. Weld World. 1991;29:307–313.
   Google Scholar
• Akselsen OM, Solberg JK, Grong Ø. Effects of martensite-austenite (MA) islands on intercritical heat-affected zone toughness of low-carbon microalloyed steels. Scand J Met. 1988;17:194–200.
   Google Scholar
• Ogibayashi S. Advances in technology of oxide metallurgy. Nippon Steel Tech Rep. 1994;61:70–76.
   Google Scholar
• Shim JH, Byun JS, Cho YW, et al. Mn absorption characteristics of Ti2O3 inclusions in low carbon steels. Scripta Mater. 2001;44:49–54. doi: 10.1016/S1359-6462(00)00560-1
   Web of Science ®Google Scholar
• Guo AM, Li SR, Guo J, et al. Effect of zirconium addition on the impact toughness of the heat affected zone in a high strength low alloy pipeline steel. Mater Charact. 2008;59:134–139. doi: 10.1016/j.matchar.2006.11.028
   Web of Science ®Google Scholar
• Wu Z, Zheng W, Li G, et al. Effect of inclusions’ behavior on the microstructure in Al-Ti deoxidized and magnesium-treated steel with different aluminum contents. Metall Mater Trans B. 2016;46B:1226–1241.
   Google Scholar
• Zheng W, Wu Z, Li G, et al. Effect of Al content on the characteristics of inclusions in Al-Ti complex deoxidized steel with calcium treatment. ISIJ Int. 2014;54:1755–1764. doi: 10.2355/isijinternational.54.1755
   Web of Science ®Google Scholar
• Miyamoto G, Shinyoshi T, Yamaguchi J, et al. Crystallography of intragranular ferrite formed on (MnS+ V (C, N)) complex precipitate in austenite. Scripta Mater. 2003;48:371–377. doi: 10.1016/S1359-6462(02)00451-7
   Web of Science ®Google Scholar
• Wan XL, Wu KM, Huang G, et al. Toughness improvement by Cu addition in the simulated coarse-grained heat-affected zone of high-strength low-alloy steels. Sci Technol Weld Joi. 2016;21:295–302. doi: 10.1080/13621718.2015.1104098
   Web of Science ®Google Scholar
• Li Y, Crowther DN, Green MJW, et al. The effect of vanadium and niobium on the properties and microstructure of the intercritically reheated coarse grained heat affected zone in low carbon microalloyed steels. ISIJ Int. 2001;41:46–55. doi: 10.2355/isijinternational.41.46
   Web of Science ®Google Scholar
• Bonnevie E, Ferriere G, Ikhlef A, et al. Morphological aspects of martensite-austenite constituents in intercritical and coarse grain heat affected zones of structural steels. Mater Sci Eng A. 2004;385:352–358. doi: 10.1016/S0921-5093(04)00859-7
   Web of Science ®Google Scholar
• Yu L, Wang HH, Wang XL, et al. Improvement of impact toughness of simulated heat affected zone by addition of aluminium. Mater Sci Tech-Lond. 2014;30:1951–1958. doi: 10.1179/1743284714Y.0000000602
   Web of Science ®Google Scholar
• Yu L, Wang HH, Hou TP, et al. Characteristic of martensite-austenite constituents in coarse grained heat affected zone of HSLA steel with varying Al contents. Sci Technol Weld Joi. 2014;19:708–714. doi: 10.1179/1362171814Y.0000000246
   Web of Science ®Google Scholar
• Li C, Wang Y, Han T, et al. Microstructure and toughness of coarse grain heat-affected zone of domestic X70 pipeline steel during in-service welding. J Mater Sci. 2011;46:727–733. doi: 10.1007/s10853-010-4803-y
   Web of Science ®Google Scholar
• Huang G, Wan XL, Wu KM. Effect of Cr content on microstructure and impact toughness in the simulated coarse-grained heat-affected zone of high-strength low-alloy steels. Steel Res Int. 2016;87:1426–1434. doi: 10.1002/srin.201500424
   Web of Science ®Google Scholar
• Fang KM. Microstructure characterization of micromaterials and nanomaterials. Beijing: Metallurgical Industry Press; 2009.
   Google Scholar
• Llewellyn DT. Boron in steels. Ironmak Steelmak. 1995;21:25–34.
   Google Scholar
• Mabuchi H, Uemori R, Fujioka M. The role of Mn depletion in intra-granular ferrite transformation in the heat affected zone of welded joints with large heat input in structural steels. ISIJ Int. 1996;36:1406–1412. doi: 10.2355/isijinternational.36.1406
   Web of Science ®Google Scholar
• Madariaga I, Gutierrez I. Nucleation of acicular ferrite enhanced by the precipitation of CuS on MnS particles. Scripta Mater. 1997;37:1185–1192. doi: 10.1016/S1359-6462(97)00229-7
   Web of Science ®Google Scholar
• Liu Z, Kuwabara M. Up-to-date progress of technology of oxide metallurgy and its practice. Steelmaking. 2007;23:7–13 (in Chinese).
   Google Scholar
• Wan XL, Wang HH, Cheng L, et al. The formation mechanisms of interlocked microstructures in low-carbon high-strength steel weld metals. Mater Charact. 2012;67:41–51. doi: 10.1016/j.matchar.2012.02.007
   Web of Science ®Google Scholar
• Shi M, Zhang P, Zhu F. Toughness and microstructure of coarse grain heat affected zone with high heat input welding in Zr-bearing low carbon steel. ISIJ Int. 2014;54:188–192. doi: 10.2355/isijinternational.54.188
   Web of Science ®Google Scholar
• Babu SS, David SA. Inclusion formation and microstructure evolution in low alloy steel welds. ISIJ Int. 2002;42:1344–1353. doi: 10.2355/isijinternational.42.1344
   Web of Science ®Google Scholar
• Chen YL, Wang Y, Zhao AM. Precipitation of AlN and MnS in low carbon aluminium-killed steel. J Iron Steel Res Int. 2012;19:51–56. doi: 10.1016/S1006-706X(12)60087-9
   Web of Science ®Google Scholar
• Zhang XF, Komizo Y, Yokota T, et al. In-situ observations of phase transformations during C-Mn-Al steel weld solidification. Mater Sci Technol. 2013;29:1363–1372. doi: 10.1179/1743284713Y.0000000282
   Web of Science ®Google Scholar
• Kiani-Rashid AR. Effect of aluminum on stability of retained austenite in bainitic malleable cast iron. Met Sci Heat Treat. 2011;53:322–325. doi: 10.1007/s11041-011-9390-2
   Web of Science ®Google Scholar
• Davis CL, King JE. Cleavage initiation in the intercritically reheated coarse-grained heat-affected zone: part I. Fractographic evidence. Metall Mater Trans A. 1994;25A:563–573. doi: 10.1007/BF02651598
   Web of Science ®Google Scholar