References:
                                        
                                                    
                                                    
1- D. Ravi Kumar, "Formability analysis ofextra-deep drawing steel", Journal of Materials
                                                    
                                                    Processing Technology, Vol. 130, pp. 31-41,2002.
                                                    
                                                    2- S. Yong Shin, B. Hwang , S. Lee, N. J. Kim,S. Ahn, "Correlation of microstructure and
                                                    
                                                    charpy impact properties in API X70 and X80line-pipe steels", Materials Science and
                                                    
                                                    Engineering A. Vol. 458,pp. 281–289, 2007.
                                                    
                                                    3- B. Hwang, Y. Min Kim, S. Lee, N. J. Kim,S. Ahn, "Effective Grain Size And Charpy
                                                    
                                                    Impact Properties Of High-Toughness X70Pipeline Steels", Metallurgical And MaterialsTransactions A, Vol. 36, pp. 2107-21014,2007.
                                                    
                                                    4- S. Mishra, "On the formability of sheetsteels", Material. Science, Vol. 19, pp. 963-984, 1996.
                                                    
                                                    5- A. Kumar Gupta, D. Ravi Kumar,"Formability of galvanized interstitial-free
                                                    
                                                    steel sheets", Journal of Materials ProcessingTechnology, Vol. 172, pp. 225–237, 2006.
                                                    
                                                    6- N.S. Reddy, J. Krishnaiah, S. Hong, J. SangLee, "Modeling medium carbon steels by using
                                                    
                                                    artificial neural networks", Materials Scienceand Engineering A, Vol. 508, pp. 93-105,
                                                    
                                                    2009.
                                                    
                                                    7-Y. Sun, W. Zeng, Y. Han, "Determination ofthe influence of processing parameters on the
                                                    
                                                    mechanical properties of the Ti–6Al–4V alloyusing an artificial neural network",
                                                    
                                                    Computational Materials Science, Vol. 60, pp.239–244, 2012
                                                    
                                                    8-W. Tan, Z.Y. Liu, D. Wu, G.D. Wang,"Artificial Neural Network (ANN) Modeling
                                                    
                                                    for the Energy Absorption of Hot-RolledPlates in Charpy Impact Tests",
                                                    
                                                    Multidiscipline Modeling in Materials andStructures, Vol. 4, pp. 37–46. 2005.
                                                    
                                                    9- M. A. Akoy, E. S. Kayali, H. Cimenoglu,"The influence of microstructural features and
                                                    
                                                    mechanical properties on the cold formabilityof ferritic steel sheets", ISIJ International, Vol.44, pp. 422–428, 2004.
                                                    
                                                    10- R. K. Ray, J. J. Jonas, R. E. Hook, "Coldrolling and annealing textures in low carbon
                                                    
                                                    and extra low carbon steels", InternationalMaterials Reviews, Vol. 39, pp. 129-172, 1994.
                                                    
                                                    11- Z. Tang, W. Stumpf, "The Effect ofmicrostructure and processing variables on the
                                                    
                                                    yield to ultimate tensile strength ratio in a Nb–Ti and a Nb–Ti–Mo line pipe steel", Materials
                                                    
                                                    Science and Engineering A, Vol. 490, pp. 391–402, 2008.
                                                    
                                                    12- A. J. DeArdo, "Niobiumin modern steels",International Materials Reviews, Vol. 48, No.6 371, 2003.
                                                    
                                                    13- M. Olasolo, P. Uranga, J.M. Rodriguezbabe,B. López, "Effect of austenite
                                                    
                                                    microstructure and cooling rate ontransformation characteristics in a low carbon
                                                    
                                                    Nb–V microalloyed steel", Materials Scienceand Engineering A, Vol. 528, pp. 2559–2569,
                                                    
                                                    2010.
                                                    
                                                    14- J. Sun, J.D. Boyd, "Effect ofthermomechanical processing on anisotropy of
                                                    
                                                    cleavage fracture stress in microalloyedlinepipe steel", International Journal of
                                                    
                                                    Pressure Vessels and Piping, Vol. 77, pp. 369-377, 2000.
                                                    
                                                    15- B. Hwang, Y. Min Kim, S. Lee, N. J. Kim,S. Ahn, "Effect of Microstructure on the Yield
                                                    
                                                    Ratio and Low Temperature Toughness ofLine pipe Steels", ISIJ International, Vol. 42,
                                                    
                                                    pp. 1571–1577, 2002. 
                                                    
                                                    16- V. V. Basabe, J. J. Jonas, "The FerriteTransformation in Hot Deformed 0.036% Nb
                                                    
                                                    Austenite at Temperatures above the Ae3",ISIJ International, Vol. 50, pp. 1185–1192,
                                                    
                                                    2010.
                                                    
                                                    17- P. A. Manohaanrd, T. Chandra"Continuous cooling Micro alloyed steels
                                                    
                                                    transformation for behavior of high strengthline pipe applications", ISIJ International, Vol.38, pp. 766-774, 1996.
                                                    
                                                    18- M. C. Zhao, K. Yang, F. R. Xiao, Y. Y.Shan, "Continuous cooling transformation of
                                                    
                                                    undeformed and deformed low carbon pipelinesteels", Materials Science and Engineering A,
                                                    
                                                    Vol. 355, pp. 126-136, 2003.
                                                    
                                                    19- j. C. Muñoz, I. H. Jung, A.M. Elwazria, D.Baib, S. Yue, "Influence of the chemical
                                                    
                                                    composition on transformation behavior of lowcarbon micro alloyed steels", Materials
                                                    
                                                    Science and Engineering A, Vol. 520, pp. 90–96, 2009.
                                                    
                                                    20- K. WU, Z. LI, A. M. GUO, L.Cheng,"Microstructure Evolution in a Low CarbonNb–Ti MicroalloyedSteel", ISIJ International,Vol. 46, pp. 161–165, 2006.