Modeling methods for gas quenching, low-pressure carburizing and low-pressure nitriding

E Wołowiec-Korecka - Engineering Structures, 2018 - Elsevier
Modern thermal and thermochemical treatment of steels is a rapidly growing research area.
Thermochemical processes are researched, designed, optimized, and controlled by …

Simulation and experimental verification of die quenching deformation of aviation carburized face gear

H Liu, J Zhao, J Tang, W Shao, B Sun - Materials, 2023 - mdpi.com
The tooth width and length of face gear limit control the strength of face gear, and heat
treatments are often used to improve the hardness and strength of face gear. However, heat …

Modeling of vacuum pulse carburizing of steel

M Zajusz, K Tkacz-Śmiech, M Danielewski - Surface and Coatings …, 2014 - Elsevier
A review on carburization process modeling is presented and a new model for carbon
diffusion in steel subjected to heat treatment by vacuum pulse carburizing is proposed. Such …

Influence of carbon layer hardness characteristics on RCF performance of carburized bearing steel and optimization of heat treatment process

Z Yang, J Wei, T Liu, S Liu, D Fang, Z Li - Engineering Failure Analysis, 2024 - Elsevier
Being a pivotal element within high-speed train transmission systems, the mechanical
attributes of bearings are of great significance to ensure the quality and safety of train …

A finite element simulation for carburizing heat treatment of automotive gear ring incorporating transformation plasticity

DW Kim, HH Cho, WB Lee, KT Cho, YG Cho, SJ Kim… - Materials & Design, 2016 - Elsevier
A finite element model was developed to predict the deformation, temperature history,
carbon diffusion, phase fraction, and hardness during the carburizing heat treatment of …

Modeling and simulation of vacuum low pressure carburizing process in gear steel

J Guo, X Deng, H Wang, L Zhou, Y Xu, D Ju - Coatings, 2021 - mdpi.com
A combination of simulation and experimental approaches to optimize the vacuum
carburizing process is necessary to replace the costly experimental trial-and-error method in …

Vacuum carburization of 12Cr2Ni4A low carbon alloy steel with lanthanum and cerium ion implantation

M Dong, X Cui, Y Zhang, G Jin, C Yue, X Zhao… - Journal of Rare …, 2017 - Elsevier
Abstract As bearing parts, 12Cr2Ni4A is expected to have high hardness and excellent
fatigue strength, so carburizing is employed to improve the inherit properties of 12Cr2Ni4A …

Experimental study on vacuum carburizing process for low-carbon alloy steel

S Wei, G Wang, X Zhao, X Zhang, Y Rong - Journal of materials …, 2014 - Springer
As a low-carbon alloy steel, 20Cr2Ni4A steel has an excellent mechanical properties. It has
been used for producing heavy-duty gears, which require good wear and fatigue resistance …

Optimizing the low-pressure carburizing process of 16Cr3NiWMoVNbE gear steel

H Wang, B Wang, Z Wang, Y Tian, RDK Misra - Journal of Materials …, 2019 - Elsevier
Compared with the traditional atmospheric carburization, low-pressure carburization has the
benefits of producing no surface oxidation and leaving fine, uniformly dispersed carbides in …

Analysis and Optimization of Carburizing–Quenching Distortion on Locomotive Gear Ring

X Wang, D Li, P Li - JOM, 2023 - Springer
The carburizing–quenching distortion (CQD) of the gear ring is difficult to control,
considering the heat transfer, phase transformation, and stress effects, so a numerical …