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 …

“Boost-diffusion” vacuum carburising–Process optimisation

P Kula, K Dybowski, E Wolowiec, R Pietrasik - Vacuum, 2014 - Elsevier
The article presents the optimisation of the organisation of the vacuum carburising process
in terms of the number and duration of “boost”/“diffusion” stages. The processes of two-and …

High pressure gas quenching: Distortion analysis in gears after heat treatment

R Atraszkiewicz, B Januszewicz, W Stachurski… - Materials Science and …, 2012 - Elsevier
The analysis of distortions, hardness level and microstructure of the surface layers of the
toothed gears after low pressure carburizing and high pressure gas quenching is presented …

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 …

[PDF][PDF] The effect of the quenching method on the deformations size of gear wheels after vacuum carburizing

K Dybowski, J Sawicki, P Kula… - Archives of Metallurgy …, 2016 - bibliotekanauki.pl
This paper presents a comparison of the deformations and residual stresses in gear wheels
after vacuum carburizing process with quenching in high-pressure nitrogen and oil. The …

[PDF][PDF] The influence of grinding conditions on the distribution of residual stress in the surface layer of 17CrNi6-6 steel after carburizing

J Sawicki, B Kruszyński, R Wójcik - Advances in Science and …, 2017 - bibliotekanauki.pl
This paper presents the results of a study aimed at determining the residual stress which
results from develo** the surface layer by low-pressure and conventional carburizing and …

Activation of carbon deposit in the process of vacuum carburizing with preliminary nitriding

P Kula, Ł Kaczmarek, K Dybowski, R Pietrasik… - Vacuum, 2013 - Elsevier
A variety of vacuum carburizing methods with preliminary nitriding at the stage of heating the
charge for carburizing aim at limiting primary austenite grain growth during the process. In …

Properties of surface layers processed by a new, high-temperature vacuum carburizing technology with prenitriding-PreNitLPC®

P Kula, R Pietrasik, K Dybowski, S Paweta… - Advanced Materials …, 2012 - Trans Tech Publ
The variety of vacuum carburizing with prenitriding (PreNitLPC® technology) consists in
metering ammonia in the stage of charge heating for carburizing to reduce grain growth in …

[PDF][PDF] Hardening-related deformations of gear wheels after vacuum carburising and quenching in gas

W Stachurski, P Zgórniak, J Sawicki… - Advances in Science …, 2017 - bibliotekanauki.pl
The purpose of modern surface hardening technology is obtaining reproducible, precisely
planned parameters of the carburized layer, minimizing the negative phenomena that result …

An effect of grinding on microhardness and residual stress in 20MnCr5 following single-piece flow low-pressure carburizing

W Stachurski, K Krupanek, B Januszewicz… - Journal of Machine …, 2018 - yadda.icm.edu.pl
The aim of the experiment described in the paper was to determine the effect of selected
conditions of abrasive machining on the size and distribution of microhardness and residual …