Effect of various heat treatment methods and optimization of their parameters on mechanical properties of AISI 4140 steel [PDF]
Scientific ReportsAISI 4140 steel is one of the important category in the steels with wide range of applications including but not limited to automotive, general machinery, oil and gas industry.
Sharan Mudda +5 more
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Comparative Study of Conventional and Microwave-Assisted Boriding of AISI 1040 and AISI 4140 Steels [PDF]
Tehnički Glasnik, 2023 In this study, AISI 1040 and AISI 4140 steels were boriding using Ekabor-II commercial boriding powder with powder-pack boriding method using microwave and conventional heating methods.
Safiye İpek Ayvaz, Emre Özer
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Decarburization and Its Effects on the Properties of Plasma-Nitrided AISI 4140 Steel: A Review. [PDF]
Materials (Basel)Despite the surge in plasma nitriding research, few reviews thoroughly examine how surface decarburization—occurring both before and during the treatment—affects AISI 4140 and similar steel grades.
Stojanović Ž +6 more
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Effect of Microstructure and Compressive Residual Stress on the Fatigue Performance of AISI 4140 Steel with QPQ Salt-Bath Nitro-Carburizing. [PDF]
Materials (Basel)Quench–polish–quench (QPQ) nitro-carburizing of AISI 4140 steel in a salt bath was performed in this study. Nitro-carburizing in a salt bath enhanced the formation of Fe-nitride on the outer surface layer.
Chen H, Chen TC, Hsu HH, Tsay LW.
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Improvement of Strength and Oxidation Resistance at High Temperature in AISI 4140 Steel by Micro-Alloying Chromium and Tungsten for Automotive Engine Applications [PDF]
Archives of Metallurgy and MaterialsIncreasing the operating temperature and pressure of an automotive engine and reducing its weight can improve fuel efficiency and lower carbon dioxide emissions.
Hyo-Seong Kim +5 more
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Influence of single- and multi-stage austempering treatments on microstructure and mechanical properties of AISI 4140 steel [PDF]
Tribology and MaterialsThe present study examined the impact of single- and multi-stage austempering treatments on microstructural changes and the mechanical properties of AISI 4140 steel. All specimens underwent an annealing treatment before undergoing austempering treatments.
Mohammad Badaruddin +3 more
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Effect of the impact angles on the erosion wear resistance of borided AISI 4140 steel
Results in EngineeringThis study evaluates the erosive wear resistance of untreated AISI 4140 steel, borided AISI 4140 steel, and borided AISI 4140 steel subjected to diffusion annealing (DAP). Dual-phase FeB/Fe₂B and single-phase Fe₂B layers were obtained with thicknesses of
J. Martínez-Trinidad +5 more
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Simulation of Thermo-viscoplastic Behaviors for AISI 4140 Steel
High Temperature Materials and Processes, 2016 The thermo-viscoplastic behaviors of AISI 4140 steel are investigated over wide ranges of strain rate and deformation temperature by isothermal compression tests. Based on the experimental results, a unified viscoplastic constitutive model is proposed to
Li Hong-Bin, Feng Yun-Li
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Austenite Grain Growth Behavior of AISI 4140 Alloy Steel
Advances in Mechanical Engineering, 2013 AISI 4140 alloy steel is widely applied in the manufacture of various parts such as gears, rams, and spindles due to its good performance of strength, toughness, and wear resistance.
Lin Wang +3 more
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Surface Integrity Analysis in Machining of Hardened AISI 4140 Steel [PDF]
Materials Research, 2017 This study aimed to analyze the residual stresses and roughness in finishing milling of AISI 4140 steel, quenched and tempered up to hardness of 58 HRC.
Marco Antonio Stipkovic +3 more
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