Results 11 to 20 of about 8,096 (262)

Effective combined surface hardening processes of structural steels using ultrasound [PDF]

open access: yesE3S Web of Conferences, 2023
The effectiveness of hardening of the surface layer of machine parts is evaluated by the operational properties of the surface layer and depends on many conditions that characterize the specific features of the technological process in which this method ...
Chudina Olga   +3 more
doaj   +1 more source

An Investigation into the Wear Behavior of Martensitically Transformed Nitrided Layers

open access: yesLubricants, 2023
To improve the service behavior of gears, surface heat treatments such as nitriding or induction hardening can be performed. Since these processes are limited in their achievable maximum hardness or depth of hardness, a combination treatment could allow ...
Stefanie Hoja   +3 more
doaj   +1 more source

Design and Implementation of Induction Coil for Case Hardening of a Carbon Steel Gear

open access: yesAdvanced Electromagnetics, 2020
: This work includes a design of an induction coil as a guide to design an induction furnace as a part of a production line suitable for achieving case hardening of a CK-45 carbon steel gear in a mass production factory. Such a workpiece requires certain
H. F. Sabeeh   +2 more
doaj   +1 more source

The Microstructure and Mechanical Properties of Cylindrical Elements from Steel 38Mn6 after Continuous Induction Heating

open access: yesArchives of Metallurgy and Materials, 2016
The paper deals with the influence of induction surface hardening on the microstructure and mechanical properties of cylindrical elements made of steel 38Mn6. The first stage was based on computer simulation of the induction hardening process. The second
Smalcerz A.   +4 more
doaj   +1 more source

Induction hardening of tool steel for heavily loaded aircraft engine components

open access: yesArchives of Metallurgy and Materials, 2017
Induction hardening is an innovative process allowing modification of the materials surface with more effective, cheaper and more reproducible way to compare with conventional hardening methods used in the aerospace industry.
Rokicki P.
doaj   +1 more source

Abrasive Wear Resistance of Nodular Cast Iron After Selected Surface Heat and Thermochemical Treatment Processes [PDF]

open access: yesArchives of Foundry Engineering
The article presents the test results on the technology of surface hardening of castings from unalloyed and low-alloy nodular cast iron using the method of surface heat treatment, i.e., induction surface hardening and methods of thermochemical treatment,
C. Baron   +7 more
doaj   +1 more source

The Numerical Computation of Coupled Problem for the Electromagnetic and Thermal Field within the Hardening Processes of Valve Guides Through Electromagnetic Induction [PDF]

open access: yesJournal of Electrical and Electronics Engineering, 2012
This paper presents the numerical modeling of the coupled electromagnetic and thermal field question within the induction hardening of inner cylindrical surface.
ARION Mircea, HATHAZI Francisc Ioan
doaj  

Effect of Induction Surface Hardening on Fatigue Limit of Austempered Ductile Irons

open access: yesGazi Üniversitesi Fen Bilimleri Dergisi, 2018
n this study, the effect of induction surface hardening on the fatigue limit of austempered ductile iron was investigated. For this purpose, samples of grade GGG70 ductile iron were austenitized at 900°C for 90 minutes and then austempered in a salt bath
Erkun OKTAY   +2 more
doaj   +1 more source

Features of heat treatment quality testing of U8A steel articles during pulsed bipolar asymmetric magnetization

open access: yesВесці Нацыянальнай акадэміі навук Беларусі: Серыя фізіка-тэхнічных навук, 2020
To detect deviations of required heat treatment temperature of tool carbon steel U8A is one of the important tasks of manufactured products quality assurance.
z. M. Korotkevich, V. A. Burak
doaj   +1 more source

Innovative technologies for strengthening of internal surfaces of suspension parts of heavy-loaded machines by laser and high-frequency induction methods

open access: yesВесці Нацыянальнай акадэміі навук Беларусі: Серыя фізіка-тэхнічных навук, 2023
In the article innovative methods of surface hardening of internal surfaces of machine parts by laser and highfrequency induction heating are presented.
O. G. Devoino   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy