Results 1 to 10 of about 525 (262)

Minimizing Deformations in High-Temperature Vacuum Carburizing [PDF]

open access: yesMaterials, 2023
This article presents the results of a study on reducing deformations resulting from high-temperature vacuum carburizing and post-carburizing heat treatment.
Radomir Atraszkiewicz   +2 more
exaly   +5 more sources

Influence of vacuum carburizing treatment on fatigue crack growth characteristic in DSG2 [PDF]

open access: yesFracture and Structural Integrity, 2015
The aim of this research is to clarify the influence of vacuum carburizing on the fatigue-crack progress characteristics of DSG2 steel. The test specimen tempering material (QT material) and vacuum carburizing material (VC material) has been used.
K. Nambu, N. Egami
doaj   +6 more sources

The Formation of Surface Nanoparticles Enhances the Vacuum Carburizing Efficiency of 20CrMnTi Steel [PDF]

open access: yesNanomaterials
This work investigates the effect of pre-nitriding treatment before vacuum carburizing on the carburizing efficiency of 20CrMnTi steel. The results show that pre-nitrocarburizing significantly enhances the vacuum carburizing efficiency of 20CrMnTi steel,
Fangpo Li   +4 more
doaj   +2 more sources

The Effect of the Quenching Method on the Deformations Size of Gear Wheels after Vacuum Carburizing

open access: yesArchives of Metallurgy and Materials, 2016
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 comparison was made on a medium-sized gear wheels, made of AMS6265 (AISI 9310)
Dybowski K.   +5 more
doaj   +3 more sources

NIMS fatigue data sheet on gigacycle fatigue properties of SCr420 (0.20C-1.05Cr) carburizing steel for machine structural use

open access: yesScience and Technology of Advanced Materials: Methods, 2022
The new fatigue data sheet, No. 131, discloses gigacycle fatigue properties of the carburizing steel tested under rotating-bending conditions. This fatigue data sheet employed vacuum carburizing, as well as gas carburizing.
Hisashi Hirukawa   +4 more
doaj   +2 more sources

Effect of Deformation Structure of AISI 316L in Low-Temperature Vacuum Carburizing

open access: yesMetals, 2021
The effect of plastic deformation applied to AISI 316L in low-temperature vacuum carburizing without surface activation was investigated. To create a difference in the deformation states of each specimen, solution and stress-relieving heat treatment were
Hyunseok Cheon   +6 more
doaj   +2 more sources

Modeling and Simulation of Vacuum Low Pressure Carburizing Process in Gear Steel

open access: yesCoatings, 2021
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 time and resources.
Jingyu Guo, Xiaohu Deng, Leyu Zhou
exaly   +2 more sources

Surface Hardening Behavior of Advanced Gear Steel C61 by a Novel Solid-Solution Carburizing Process

open access: yesMetals, 2022
During vacuum carburizing, coarse reticulated carbides tend to precipitate along grain boundaries due to high-carbon-potential conditions. This phenomenon is often one of the main factors in the failure of conventional gear steels. In this paper, a novel
Yanzhang Dai   +6 more
doaj   +2 more sources

Modelingof Acetylene Pyrolysis under Steel Vacuum Carburizing Conditions in a Tubular Flow Reactor [PDF]

open access: yesMolecules, 2007
In the present work, the pyrolysis of acetylene was studied under steel vacuumcarburizing conditions in a tubular flow reactor. The pyrolysis temperature ranged from650 °C to 1050 °C. The partial pressure of acetylene in the feed mixture was 10 and
Rainer Reimert   +3 more
doaj   +2 more sources

Multi-field coupling simulation of vacuum carburizing and high-pressure gas quenching process

open access: yesHeat Treatment and Surface Engineering, 2022
Vacuum carburizing and high-pressure gas quenching process is being widely used in the heat treatment industry. There is an urgent need for a mature technology to predict the influence of carbon content and quenching gas flow on the microstructure and ...
Jianfeng Gu, Zhenghong Guo
exaly   +3 more sources

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