Bhowmik, S.Acharyya, S. K.Sahoo, P.Dhar, S.Chattopadhyay, J.2013-07-302013-07-302013Materials & Design, 2013. Vol. 46: pp. 680-687http://hdl.handle.net/123456789/79514395 bytestext/htmlenEstimation and comparative studyJIC20MnMoNi55 steelFracture toughnessload–displacement curveEstimation and comparative study of JIC using different methods for 20MnMoNi55 steelArticle