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Modeling the Effect of Chemistry Changes on Phase Transformation Timing, Hardness, and Distortion in Carburized 8620 Gear Steel
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09/14/2021
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Jason Meyer, Stefan Habean, Dan Londrico, and Justin Sims
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Heat treatment and Steel metallurgy
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LPC and Low pressure carburization
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Quench cracking
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Low Pressure Carburizing Cycle Determination for High Alloy Steels
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06/05/2018
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Zhichao Li, B. Lynn Ferguson, Tianyu Yu, and Justin Sims
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Heat treatment and Steel metallurgy
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LPC and Low pressure carburization
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Bend fatigue improvement and Topic1
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Assessing Heat Treatment Distortion Sensitivity
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09/17/2007
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Andrew Freborg, Zhichao Li, and Lynn Ferguson
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Distortion sensitivity and Process sensitivity
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Carburization, Austenitizing, Intensive quench, Oil quench, and Deep freeze
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Solving Critical Heat Treatment Challenges with Practical Process Modeling
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10/24/2017
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Justin Sims, Tianyu Yu, Charlie Li, and Lynn Ferguson
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Computer modeling, Heat treatment challenges, Quench cracking, Press quench tooling design, and Carbide formation
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Induction hardening, Press quench, and Low pressure carburization
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Predicting the Heat-Treat Response of a Carburized Helical Gear
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12/01/2002
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Lynn Ferguson, Andrew Freborg, Greg Petrus, and Melvin Callabresi
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5120 helical gear, Modeling and simulation, and Process simulation
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Carburization, Salt quench, and Air cool
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Modeling Alloy Carbide Formation and Coarsening during High-temperature Tempering of Ferrium C64 Steel
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09/30/2024
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Jason Meyer and Zhichao (Charlie) Li
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Alloy Carbide, Coarsening, Ferrium C64, Hardness, Modeling, and Residual Stress
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Tempering and Carburization
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Model Development
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Sources of Heat Treatment Distortion and Approaches for Distortion Reduction during Quench Hardening Process
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Download PDF
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09/30/2024
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Zhichao (Charlie) Li, B. Lynn Ferguson, Edward Lee, Stefan Habean, and Jason Meyer
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Distortion, Modeling, Simulation, and Displacement
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Quenching, Furnace Heating, Stepped Heating, LPC, and Low Pressure Carburization
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Enhanced Surface Residual Compression of Carburized Steel Parts Using Laser Peening Process with Preload
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06/09/2014
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Zhichao (Charlie) Li and B. Lynn Ferguson
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surface residual stress, X-ray diffraction residual stress measurement, carburized AISI 9310 steel, Johnson-Cook, four-point bending fatigue test, residual stress model validation, laser peening model, and fatigue loading model
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gas carburization, oil quench hardening, and laser peening
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Experiment and Simulation of Heat Treatment Results of C-Ring Test Specimen
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01/01/2006
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Zhichao Li, B. Lynn Ferguson, Xichen Sun, and Peter Bauerle
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Carburized AISI 8620 steel, C-Ring test specimen, model validation, residual stress measurement, carbon profile prediction, hardness profile prediction, residual stress prediction, carbon profile measurement, hardness profile measurement, and phase transformation prediction
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gas carburization and oil quench
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Modeling the Effect of Carburization and Quenching on the Development of Residual Stresses and Bending Fatigue Resistance of Steel Gears
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07/24/2012
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Zhichao Li, Andrew M. Freborg, Bruce D. Hansen, and T.S. Srivatsan
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bending fatigue, carburized Pyrowear 53 gear, residual stress, process modeling, single tooth bending load model, and dynamic contact stress analysis
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vacuum (low-pressure) carburization, oil quench hardening, cryogenic treatment/deep freeze, and double temper
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Residual Stress and Bending Fatigue Strength in Carburized and Quench Hardened Pyrowear 53 Steel Gears
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04/18/2016
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B. Lynn Ferguson, Andrew M. Freborg, and Zhichao Li
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residual stress, bending fatigue strength, carburized Pyrowear 53 steel gears, bending fatigue test, residual stress measurement, model validation, and loading model
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vacuum (low-pressure) carburization, subcritical anneal, oil quench, intensive quench, deep freeze, and double temper
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