Lei, X. Li, C. Shi, X. Xu, X. Wei, Y. “Notch strengthening or weakening governed by transition of shear failure to normal mode fracture”, Scientific reports. Vol. 5, pp.10537, 2015.
 Sih, G.C. “Strain-energy-density factor applied to mixed mode crack problems”, International Journal of Fracture. Vol. 10, pp. 305, 1974.
 Lazzarin, P. Zambardi, R. “A Finite-Volume-Energy Based Approach to Predict the Static and Fatigue Behavior of Components with Sharp V-Shaped Notches”, International Journal of Fracture. Vol. 112, pp. 275-298, 2001.
 Lazzarin, P. Berto, F. “Some Expressions for the Strain Energy in a Finite Volume Surrounding the Root of Blunt V-Notches”, International Journal of Fracture. Vol. 135, pp. 161-185, 2005.
 Berto, F. Lazzarin, P. “Recent Developments in Brittle and Quasi-Brittle Failure Assessment of Engineering Materials by Means of Local Approaches”, Matererial Science and Engineering: R: Reports. Vol. 75, pp. 1-48, 2014.
 Lazzarin, P. Berto F. Zappalorto, M. “Rapid Calculations of Notch Stress Intensity Factors Based on Averaged Strain Energy Density from Coarse Meshes: Theoretical Bases and Applications”, International Journal of Fatigue. Vol. 32, pp.1559-1567, 2010.
 Salavati, H., Alizadeh, Y., Ayatollahi., M. R., “Fracture Assessment of Inclined Double Keyhole Notches in Isostatic Graphite” Physical Mesomechanics
, Vol. 21, pp. 110-116, 2018.
 Berto, F. Campagnolo, A. Lazzarin, P. “Fatigue strength of severely nothched specimens made of Ti-6A-4V under multiaxial loading”, Fatigue & Fract of Engineering Matererial & Structures. Vol. 38, pp. 503-517, 2015.
 Berto, F. Campagnolo, A. Welo, T. “Fatigue and Fracture Assessment of Notched Components by Means of the Strain Energy Density”, Enineering Fracture Mechanics. Vol. 167, pp. 176-187, 2016.
 Berto, F. Campagnolo, A. Welo, T. “Local Strain Energy Density to Assess the Multiaxial Fatigue Strength of Titanium Alloys”, Fracture Structural Integrity. Vol. 10, pp. 69-79, 2016.
 Berto, F. Campagnolo, A. Chebat, F. Cincera M. Santini, M. “Fatigue Strength of Steel Rollers with Failure Occurring at the Weld Root Based on the Local Strain Energy Values: Modelling and Fatigue Assessment”, International Journal of Fatigue. Vol. 82, pp. 643-657, 2016.
 Jha, D.K. Kant, T. Singh, R. K. “A Critical Review of Recent Research on Functionally Graded Plates”, Composite. Structures. Vol. 96, pp. 833-849, 2013.
 Aghazadeh Mohandesi, J. Shahosseini, M.H. “Transformation Characteristics of Functionally Graded Steels Produced by Electroslag Remelting”, Metall. Mater. Trans. A. Vol. 36, pp. 3471-3476, 2005.
 Aghazadeh Mohandesi, J. Shahossinie, M.H. Parastar Namin, R. “Tensile behavior of functionally graded steels produced by electroslag”, Metallurgical and Matererials Transactions. Vol. 37, pp. 2125, 2006.
 Nazari, A. Aghazadeh Mohandesi, J. Tavareh, S. “Modeling Tensile Strength of Austenitic Graded Steel Based on the Strain Gradient Plasticity Theory”, Computational Material Science. Vol. 50, pp. 1791-1794, 2011.
 Salavati, H. Berto, F. Alizadeh, Y. “The Flow Stress Assessment of Austenitic Martensitic Functionally Graded Steel under Hot Compression”, Engineering Solid Mechanics. Vol. 2, pp. 83-90, 2014.
 Abolghasemzadeh, M. Samareh Salavati Pour, H. Berto, F. Alizadeh, Y. “Modeling of Flow Stress of Bainitic and Martensitic Functionally Graded Steels under Hot Compression”, Matererial Science and Engineering: A. Vol. 534, pp. 329-338, 2012.
 Salavati, H. Alizadeh, Y. Berto, F. “Application the Mechanism-Based Strain Gradient Plasticity Theory to Model the Hot Deformation Behavior of Functionally Graded Steels”, Structural Engineering and Mechanics. Vol. 51, pp. 627-641, 2014.
 Nazari, A. Aghazadeh Mohandesi, J. “Impact Energy of Functionally Graded Steels with Crack Divider Configuration”, Journal of Materials Science & Technology. Vol. 25, pp. 847-852, 2009.
 Nazari, A. “Modeling Charpy Impact Energy of Functionally Graded Steel Based on the Strain Gradient Plasticity Theory and Modified Stress–Strain Curve Data”, Computational Matererial Science. Vol. 50, pp. 3350-3357, 2011.
 Nazari, A. Aghazadeh Mohandesi, J. Riahi, S. “Modeling Impact Energy of Functionally Graded Steels in Crack Divider Configuration Using Modified Stress–Strain Curve Data”, International Journal of Damhage Mechanics. Vol. 21, pp. 27-50, 2012.
 Samareh Salavati Pour, H. Berto, F. Alizadeh, Y. “A New Analytical Expression for the Relationship between the Charpy Impact Energy and Notch Tip Position for Functionally Graded Steels”, Acta Metallurgica Sinica. (English Letters). Vol. 26, pp. 232-240, 2013.
 Barati, E. Alizadeh, Y. Aghazadeh Mohandesi, J. “J-Integral Evaluation of Austenitic–Martensitic Functionally Graded Steel in Plates Weakened by U-Notches”, Engineering Fracture Mechanics. Vol. 77, pp. 3341-3358, 2010.
 Salavati, H., Mohammadi, H., Ductile failure prediction of U-notched bainitic functionally graded steel specimens using the equivalent material concept combined with the averaged strain energy density, Physical Mesomechanics, vol 22, pp. 255-260, 2019.
 Tang, X. Zhang, H. Du, D. Qu, D. Hu, C. Xie, R. “Fabrication of W–Cu Functionally Graded Material by Spark Plasma Sintering Method”, International Journal of Refractory Metal and Hard Mater. Vol. 42, pp. 193-199, 2014.
 Liu, R. Hao, T. Wang, K. Zhang, T. Wang, XP. Liu, CS. “Microwave Sintering of W/Cu Functionally Graded Materials”, Journal of Nuclear Materials. Vol. 431, pp. 196-201, 2012.
 Pintsuk, G. Brünings, SE. Döring, JE. Linke, J. Smid, I. Xue, L. “Development of W/Cu—Functionally Graded Materials”, Fusion. Eng. Des. Vol. 66, pp. 237-240, 2003.
 Zhou, Z-J. Du, J. Song, S-X. Zhong, Z-H. Ge, C-C. “Microstructural Characterization of W/Cu Functionally Graded Materials Produced by a One-Step Resistance Sintering Method”, Journal of Alloys and Compounds. Vol. 428, pp. 146-150, 2007.
 Barati, E. Aghazadeh Mohandesi, J. Alizadeh, Y. “The Effect of Notch Depth on J-Integral and Critical Fracture Load in Plates Made of Functionally Graded Aluminum–Silicone Carbide Composite with U-Notches under Bending”, Matererial & Design, vol. 31, pp. 4686-4692, 2010.
 Barati, E. Alizadeh, Y. and J.A. Mohandesi, “J-Integral Evaluation of Austenitic–Martensitic Functionally Graded Steel in Plates Weakened by U-Notches”, Engineering Fracture Mechanics, Vol. 77, pp. 3341-3358, 2010.
 Mehran, S. Rouhi, S. Ramzani, B. Barati, E. “Fracture Analysis of Functionally Graded Materials with U‐and V‐Notches under Mode I Loading Using the Averaged Strain‐Energy Density Criterion”, Fatigue & Fracture of Engineering Materials & Structures. Vol. 35, pp. 614-627, 2012.
 Mohammadi, H. Salavati, H. Alizadeh, Y. Abdullah, A. Berto, F. “Fracture Investigation of U‐Notch Made of Tungsten–Copper Functionally Graded Materials by Means of Strain Energy Density”, Fatigue & Fracture of Engineering Matererials & Structures. Vol. 40, pp. 1984-1993, 2017.
 Mohammadi, H., Salavati, H., Mosaddeghi, MR., Yusefi, A., Berto, F., “Local strain energy density to predict mixed mode I+ II fracture in specimens made of functionally graded materials weakened by V-notches with end holes”, Theoretical and Applied Fracture Mechanics, Vol. 92, pp. 47-58, 2017.
 Mohammadi, H., Salavati, H., Alizadeh, Y., Berto, F., Panin, SV., “Fracture investigation of V-notch made of tungsten-copper functionally graded materials”, Physical Mesomechanics, Vol. 20, pp. 457-464, 2017.
 Mohammadi, H. Salavati, H. Alizadeh, Y. Berto, F. “Prevalent Mode II Fracture Assessment of Inclined U-Notched Specimens Made of Tungsten-Copper Functionally Graded Material”, Theoretical and Applied Fracture Mechanics, Vol. 89, pp. 90-99, 2017.
 Yosibash, Z. Bussiba, A. Gilad, I. “Failure criteria for brittle elastic materials”, International Journal of Fracture. Vol. 125, pp. 307-333, 2004.
 Zappalorto, M. Lazzarin, P. “In-Plane and out-of-Plane Stress Field Solutions for V-Notches with End Holes”, International Journal of Fracture. Vol. 168, pp. 167-180, 2011.