Induction hardening
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On the residual life assessment of high-speed railway axles due to induction hardening Open
Surface hardening treatment can significantly increase the hardness of axle surface and introduce negative residual stress field into the axle. This work proposed an integrated stress rebuilding strategy of unit pressure and proportional i…
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Rapid induction of the heat hardening response in an Arctic insect Open
The ability to cope with increasing and more variable temperatures, due to predicted climate changes, through plastic and/or evolutionary responses will be crucial for the persistence of Arctic species. Here, we investigate plasticity of h…
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Optimization of the Induction Heating Process in Order to Achieve Uniform Surface Temperature Open
The physics of the induction heating is based on coupling of the electromagnetism and heat transfer. The main heat source during induction heating is resistive heating caused by eddy currents in the heated specimen. The geometrical positio…
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Peculiarities of High-Energy Induction Heating during Surface Hardening in Hybrid Processing Conditions Open
This paper presents the results obtained when combining mechanical and surface-thermal operations, using the same process equipment. The paper also demonstrates the possibility of implementing high-energy heating with high-frequency curren…
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Interpolating Strong Induction Open
The principle of strong induction, also known as k-induction is one of the first techniques for unbounded SAT-based Model Checking (SMC). While elegant and simple to apply, properties as such are rarely k-inductive and when they can be str…
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Recent scientific research on electrothermal metallurgical processes Open
A wide range of industrial metallurgical heating and melting processes are carried out using electrothermal technologies. The application of electrothermal processes offers many advantages from technological, ecological and economical poin…
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Control the crosslinking of epoxy-asphalt via induction heating Open
Induction heating driven polymerisation is an in-situ curing technique for epoxy-asphalt systems that maintains most of the advantages of temperature-driven polymerisation and it solves the need for longer curing time periods at lower temp…
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Induction hardening: Differences to a conventional heat treatment process and optimization of its parameters Open
The possibility of obtaining similar mechanical properties with faster heating processes than the conventional ones has been of interest for several years. In the present study, investigations were performed in terms of the influences of s…
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Data-Driven Modeling for Multiphysics Parametrized Problems-Application to Induction Hardening Process Open
Data-driven modeling provides an efficient approach to compute approximate solutions for complex multiphysics parametrized problems such as induction hardening (IH) process. Basically, some physical quantities of interest (QoI) related to …
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Induction Heating of Gear Wheels in Consecutive Contour Hardening Process Open
Induction contour hardening of gear wheels belongs to effective heat treatment technologies especially recommended for high-tech applications in machinery, automotive and aerospace industries. In comparison with long term, energy consuming…
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Induction Surface Hardening: a review Open
One of the methods of surface hardening the majority extensively used surface hardening procedure which can be used in many metals in their entirety in today’s applications. Induction coil is concentrated to the localized area where the ne…
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Influence of Tempering on Mechanical Properties of Induction Bents below 540°C Open
The article describes basic principles of induction bending and the change of mechanical properties from as received (straight) pipe made from HSLA steel to induction bend. The main purpose of this article is to experiment with tempering t…
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Effect of Microstructure on Post-Rolling Induction Treatment in a Low C Ti-Mo Microalloyed Steel Open
Cost-effective advanced design concepts are becoming more common in the production of thick plates in order to meet demanding market requirements. Accordingly, precipitation strengthening mechanisms are extensively employed in thin strip p…
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Development of Process Signatures for Manufacturing Processes with Thermal Loads without and with hardening Open
The presented investigation focuses on the correlation between concrete physical quantities and resulting modifications. The idea is that not the different manufacturing processes itself produce the modifications but the generated physical…
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Effect of Surface Dent Formed by Peening on Fatigue Limit of Induction Hardened Steel with Different Hardness Open
In this study, SCM440 steel specimens with different surface morphology and hardness were prepared by shot peening and fine particle peening, followed by induction hardening and tempering at different temperatures. Rotating bending fatigue…
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Numerical Fatigue Analysis of Induction-Hardened and Mechanically Post-Treated Steel Components Open
This paper presents a numerical simulation chain covering induction hardening (IH), superimposed stroke peening (StrP) as mechanical post-treatment, and a final fatigue assessment considering local material properties. Focusing on a notche…
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Experimental stand for investigation of induction hardening of steel elements Open
The experimental stand for investigation of induction surface hardening of gear wheels was described in the paper. In order to control parameters of the process a specialized equipment for identification of all important process parameters…
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State of the Art and Future Trends in Monitoring for Industrial Induction Heating Applications Open
Induction surface hardening (ISH) processes are widely used in the heat treatment of numerous industrial components, especially in the automotive industry. Since this industry operates under very demanding quality standards, it is crucial …
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Fatigue and Fracture Behavior of Induction-Hardened and Superimposed Mechanically Post-treated Steel Surface Layers Open
This paper focuses on the effect of induction hardening and superimposed stroke peening, as mechanical post-treatment, on the fatigue and fracture behavior of gas engine 50CrMo4 steel crankshafts. Comprehensive analysis in regard to local …
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Influence of Induction Hardening on Wear Resistance in Case of Rolling Contact Open
The main aim of the presented paper is to show how heat treatment, in our case the induction hardening, will affect the wear rates as well as the ratcheting evolution process beneath the contact surface in the field of line rolling contact…
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Characteristics of Residual Stresses Generated by Induction Heating on Steel Plates Open
This paper presents experimental and numerical investigations on the characteristics of residual stresses generated by induction heating (IH) on 12 mm thick steel plates. IH at 250 °C and 350 °C provided high tensile residual stresses in t…
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Induction hardening of tool steel for heavily loaded aircraft engine components Open
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. Unfortunately…
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Study on induction hardening performance of 34CrNi3MoA steel crankshaft Open
The evolution of the temperature field, microstructure field, and residual stress field of a 34CrNi3MoA steel marine diesel engine crankshaft during medium-frequency induction hardening was studied based on an electromagnetic-thermal-trans…
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Influence of Deep Rolling and Induction Hardening on Microstructure Evolution of Crankshaft Sections made from 38MnSiVS5 and 42CrMo4 Open
In order to improve properties of complex automotive components, such as crankshafts, in an application-oriented way, several surface hardening treatments can be applied. Concerning the material performance the definition of adequate proce…
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Fatigue Limit Estimation for Post‐Peened Induction‐Hardened and Tempered Steel Considering Changes in Surface Properties Open
Shot peening (SP) and fine particle peening (FPP) were performed as post‐treatments on induction‐hardened and tempered AISI 4140 steels. Furthermore, the combined effects of surface characteristics including changes in surface morphology, …
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Potentials of single stage induction heating for press hardening of steel blanks Open
Due to growing challenges regarding crash-performance, CO2 emission as well as increasing demand for lightweight construction, hot metal forming of car body parts has risen to one of the most important technologies for saving weight of a c…
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Local fatigue strength assessment of induction hardened components based on numerical manufacturing process simulation Open
Induction hardening as common heat treatment process for highly-stressed automotive components significantly affects the surface layer properties leading to a compressive residual stress condition and a local hardening of the material. The…
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A Posteriori Reconstruction of the Temperature Distribution in Surface Hardened Tempering Steel Open
Process control in surface hardening depends greatly on the repeatability of the results. Induction heating facilities stand out in this aspect but challenges arise when it comes to the verification of the expected temperatures. In-situ te…
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Study of Frequency Effects on Hardness Profile of Spline Shaft Heat-Treated by Induction Open
This paper is devoted to the study of frequency effects on hardness profile of AISI 4340 spline shaft heat-treated by induction through an extensive 3D finite element method simulation and structured experimental investigation. Based on co…
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A Finite Element Simulation for Induction Heat Treatment of Automotive Drive Shaft Open
A finite element model was developed to predict deformation, temperature, phase fraction and hardness during heat treatment of an automotive drive shaft. The heat generation due to induction was treated as one of the boundary conditions fo…