[1] Jandejsek I, Gajdoš L, Šperl M, Vavřík D. Analysis of standard fracture toughness test based on digital image correlation data. Engineering Fracture Mechanics. 2017 Sep 1;182:607-20.
doi: 10.1016/j.engfracmech.2017.05.045
[2] Bakhshi S, Asadi Asadabad M, Bakhshi S, Bakhshi S. Influence of the heat treatment on the quantitative features of the fracture surfaces and the mechanical properties of AISI 4340 steel sheets. Ironmaking & Steelmaking. 2023 Mar 16;50(3):295-309.
doi: 10.1080/03019233.2022.2107111
[3] Zare A, Ekrami A. Influence of martensite volume fraction on impact properties of triple phase (TP) steels. Journal of materials engineering and performance. 2013 Mar;22:823-9.
doi: 10.1007/s11665-012-013-2 ]In Persian[.
[4] Chentouf SM, Jahazi M, Fortin R. Influence of the quench process on microstructure evolution in a landing gear steel. InASME International Mechanical Engineering Congress and Exposition 2014 Nov 14 (Vol. 46569, p. V08BT10A068). American Society of Mechanical Engineers.
doi: 10.1115/IMECE2014-38636
[5] Tomita Y. Morphology control of ductile second phase and improved mechanical properties in high-strength low-alloy steels with mixed structure. Journal of materials science. 1992 Apr;27:1705-15.
[6] Tomita Y, Okabayashi K. Improvement in lower temperature mechanical properties of 0.40 pct C-Ni-Cr-Mo ultrahigh strength steel with the second phase lower bainite. Metallurgical Transactions A. 1983 Feb;14:485-92.
doi: 10.1007/BF02644225
[7] Puga-Patlán C, Lopez-Garcia RD, Medina-Juárez I, Maldonado-Reyes A, Reyes-Gallegos MM. Study of Cooling Medium Variables during Quenching in SAE 4340 Steel Using Statistical and Modeling Tools. Metals. 2023 Sep 20;13(9):1627.
doi: 10.3390/met13091627
[8] Blaoui MM, Zemri M, Brahami A. Effect of Heat Treatment Parameters on Mechanical Properties of Medium Carbon Steel. Mechanics and Mechanical Engineering. 2018 Nov;22(4):909-18.
doi: 10.2478/mme-2018-0071
[9] Vahdat SE, Nategh S, Mirdamadi S. Effect of microstructure parameters on tensile toughness of tool steel after deep cryogenic treatment. International journal of precision engineering and manufacturing. 2014 Mar;15:497-502.
doi: 10/1007/s12541-014-0363-4 ]In Persian[
[10] Mehrabi A, Sharifi H, Asadi Asadabad M, Amini Najafabadi R, Rajaee A. Improvement of AISI 4340 steel properties by intermediate quenching–microstructure, mechanical properties, and fractography. International Journal of Materials Research. 2020 Sep 16;111(9):711-79. ]In Persian[
[11] Irving B. The challenge of welding heat-treatable alloy steels. Welding journal. 1995;74(2):43-8. [In Persian]
[12] Mirak A, Rezaimanesh M, Gaeeni M. Effect off heat input on the. microstructure and mechanical properties off the low alloy quench and tempered steel welded joint (AISI 4340). Metallurgical Engineering
. 2019 Oct;22:225-38.
doi: 10.22076/ME.2020.113138.1258 [In Persian]
[13] Mishler HW, Monroe RE, Rieppel PJ. Welding of high-strength steels for aircraft and missile applications. Defense Metals Information Center: Battelle Memorial Institute; 1959.
doi: 10.21236/ada278522
[14] Talebi A, Bakhtiari R, Abbasi Khazaei B, Ghobeiti-Hasab M. Effect of tempering temperature microstructure and work hardening behavior of a triple-phase AISI 4140 steel. Journal of Iron and Steel Research. 2021 Sep;23-9.
dio: 10.22034/IJISSI.2022.76669.1132
[15] Yudo H, Jokosisworo S. The effect of low tempering, medium tempering, and high tempering heating temperature variations in the type of medium carbon steel ST 60 on microstructure, hardness, and toughness. InIOP Conference Series: Materials Science and Engineering 2021 (Vol. 1052, No. 1, p. 012047). IOP Publishing.
doi: 10.1088/1757-899X/1/012047
[16] Wang KL, Li X, Dong XJ. Effect of tempering temperature on mechanical properties and microstructures of 800MPa microalloy low carbon bainitic steel. Advanced Materials Research. 2014 May 8;893:406-9.
doi: 10.428/www. Scientific.net/AMR.893.406
[17] Lim NS, Bang CW, Das S, Jin HW, Ayer R, Park CG. Influence of tempering temperature on both the microstructural evolution and elemental distribution in AISI 4340 steels. Metals and Materials International. 2012 Feb;18:87-94.
doi: 10.1007/s12540-012-0011-4
[18] AWS D17. 1. Specification for Fusion Welding for Aerospace Applications. 2nd ed. 2010.
[19] Golzar MA. Principles and Applications of Heat Treatment of Steels. 2nd ed. Materials Engineering Isfahan University of Technology; 2014. [In Persian]
[20] Thompson SW. A two-tilt analysis of electron diffraction patterns from transition-iron-carbide precipitates formed during tempering of 4340 steel. Metallography, Microstructure, and Analysis. 2016 Oct;5:367-83.
doi: 10.1007/s13632-016-0302-0
[21] He BB, Xu W, Huang MX. Increase of martensite start temperature after small deformation of austenite. Materials Science and Engineering: A. 2014 Jul 15;609:141-6.
doi: 10.1016/j.msea.2014.04.108
[22] Akbarpour MR, Ekrami A. Effect of ferrite volume fraction on work hardening behavior of high bainite dual phase (DP) steels. Materials Science and Engineering: A. 2008 Mar 25;477(1-2):306-10.
doi: 10.1016/j.msea 2007.05.051 [In Persian]
[23] Bakhtiari R, Ekrami A. The effect of bainite morphology on the mechanical properties of a high bainite dual phase (HBDP) steel. Materials Science and Engineering: A. 2009 Nov 15;525(1-2):159-65.
doi: 10.1016/j.msea.2009.07.042 [In Persian]
[24] Dieter GE. Mechanical Metallurgy. 2nd ed. Mc Graw-Hill; 1976.
[25] Lu W, Herbig M, Liebscher CH, Morsdorf L, Marceau RK, Dehm G, Raabe D. Formation of eta carbide in ferrous martensite by room temperature aging. Acta Materialia. 2018 Oct 1;158:297-312.
doi: 10.1016/j.actamat.2018.07.071
