FEM Modeling of Induction Hardening Processes in Steel J.Yuan,J.Kang,Y.Rong,and R.D.Sisson,Jr.(Submitted 25 March 2003) A modeling system for analyzing the integrated induction hardening processes was developed based on a general-purpose finite element program,with the capability to analyze the whole process from electro- results for this questionHow is Torsional fatigue performed in induction hardened 1045?How is Torsional fatigue performed in induction hardened 1045?In the current study,the torsional fatigue behavior of hot rolled and scan induction hardened 1045 and 10V45 bars are examined and evaluated at effective case depths of 25,32,and 44% of the radius.Torsional fatigue tests were conducted at a stress ratio of 0.1 and shear stress amplitudes of 550,600,and 650 MPa.Forging Industry Association - Torsional Fatigue Performance
Table 2 Eective depth of the induction hardening layer Roll Measured hardening Removed material Eective induction Specied hardening Spalling depth (mm) during work (mm) hardening depth (mm) depth (mm) depth (mm) 1 12.0 7.35 19.35 22.0 18.3 2 9.0 10.45 19.45 20.8 The inclusion content of the samples was obtained by comparison with plate 12345Next
However the modelling of the induction surface hardening is still a challenge and requires many new research activities ARCHIVES OF METALLURGY AND MATERIALS Volume 60 2015 Issue 4 DOI 10.1515/amm-2015-0457 J.BARGLIK*,A.SMALCERZ*,#,A.SMAG pdf analysis of continuous induction hardening of steel#211;R*,P.PASZEK* ANALYSIS OF CONTINUOUS INDUCTION HARDENING OF STEEL CYLINDER ELEMENT MADE OF STEEL 38M n6Alteration of the Elastic Properties of Steel and Cast Figure 3.Specimen a) was tested with LUS.Specimen b) for dynamic mechanical analysis was extracted after LUS measurements.3.Results and Discussions Two different types of carbon alloy steel,42CrMo4 and 38MnVS5,and a cast iron sample,GGG70,were analysed.To detect variations by induction hardening process the
dency to substitute high-frequency induction hardening for carbu-rized quenching to cut the cost of heat treatment and omit the finish-ing process.In this case,it is necessary to use a high-carbon steel,such as JIS S50C,as the material so as to secure the required hard-ness after induction hardening.Since S50C has a higher strengthBending Distortion Analysis of a Steel Shaftappears after induction hardening and is corrected by straightening and/or grinding.In this work,the consequence of the variation of manufacturing parameters on the distortion was analyzed for a complete manufacturing route for production of induction hardened shafts made of Grade 1045 steel.
This second edition of the Handbook of Induction Heating,originally published in 2002,reflects a number of substantial advances that have taken place over the last decade in the practice and science of induction heating and heat treating,computer modeling,semi- conductor power supplies,quality assurance,and process technology.Cited by 5Publish Year 2017Author Daming Tong,Jianfeng Gu,George Edward Totten(PDF) Induction Hardening of Carbon Steel Material The Figure 4 Microstructure evolution of the induction hardening carbon steel from the surface (outer diameter) to the center of the specimen.The position of microstructure is noticed in Fig 3 (P-Q
induction heating for melting,hardening,and heating.Induction heating cooker is based on high frequency induction heating,electrical and electronic technologies.From the electronic point of view,induction heating cooker is composed of four parts.TheyESTABLISHING THE MAIN TECHNOLOGICALSome pieces with different hardening depth depending of generator power,frequency and maintained time in inductor Fig.3.Steel microstructure 1C45 (AISI 1045) before and after the induction surface hardening Fig.4.Steel microstructrure 42CrMo4 (AISI 4140) before and after the induction surface hardening Fig.5 Work principle for induction heating
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 conventional heat treatment (carburizing and consequent quenching),its main positive features are characterized by high total efficiency,short duration Estimated Reading Time 14 minsEffect of Spray Quenching Rate on Distortion andtransformation and stress analysis.The truck axle has three main geometrical regions the flange/fillet,the shaft,and The induction hardening of steel components is a highly nonlinear transient process and the changes in stress state due to the The ultimate goal of this continuous study is to
sizes of induction hardening equipment used for experimental measurements.The spherical part studied consist in a tow ball presented in figure 1 made from stainless steel AISI-SAE-4145,with the following properties The resistivity [m] variation with the temperature () is described by the function 2 + 4,78235404E-10 + 1,56565488EFailure Analysis of Heat Treated Steel Components 2008.Failure Analysis of Heat Treated Steel Components discusses failures and how to determine their root cause.The book focuses on steel failures that arise during thermal processing,such as forging,casting,heat treatment,and welding.The metallurgy of the failure identification is also examined.Topics covered include component design
For a present study,SPS5,mild carbon steel,was induction-hardened and adjusted to have three different surface hardness levels through the tempering process.The effect of induction hardening Finite Element Simulation of Induction Hardening in Saw  G.Crepaz,F.Dughiero,S.Lupi,E.Ramous Moderninstallations for the continuous process induction hardening and tempering of steel bars,XII UIE Congress,Montreal (Canada),June 14
circular saws applied for cutting of slabs in continuous casting lines of steel is described in .Such a method is also known as the part-by-part induction hardening (PPIH).Another continual method is the tooth-by-tooth induction hardening (TTIH) described for instance in .Induction Heating Technology for Steel Wire Processing  M.Takagaki,Y.Toi,Coupled analysis of induction hardening considering induction heating,thermal elasto-viscoplastic damage,and phase transformation // International Journal of Damage Mechanics.3(19) (2010) 321-338.DOI 10.1177/1056789509103650
and avoid continuous replacements.Grey cast irons are alloys of iron,carbon,and silicon,with flake graphite formed during solidification.This graphite is dispersed in a matrix whose microstructure is determined by the chemical composition and solidification process [3,4].The induction hardening isMetallurgy of Induction Hardening of Steel Induction This article focuses on induction hardening process for heat treating operations specifically designed to result in proper microstructure/property combinations in either localized or in the final parts.It briefly reviews the heat treating basics for conventional heat treating operations of steels with iron-carbon phase and transformation diagrams.
Austenitization (TTA) and Continuous-Cooling-Temperature (CCT) diagrams are measured.Mathematical model of Key words alloy steel,induction hardening,gear wheel,numerical modeling,hardness.INTRODUCTION Induction hardening is the advanced heat treatment process consisting of three consecutive stages rapid in- elements in analysis Numerical simulation of induction hardening of a Sep 13,2016 pdf analysis of continuous induction hardening of steel#0183;induction hardening process.Finite-element simulation has been widely applied in the ana-lysis of induction hardening of various components since the 1970s.Han et al  and Li et al  simulated the induction heat treatment process of welded pipe and ball screw,respectively.
used in induction hardening are SAE 4140,4150,4340,5150,5140,and 52100.Typical Applications.Induction hardening can be used for a wide range of parts,and prom-inent examples are discussed in separate articles in this Volume.Examples include machine tools,
SIMULATION OF INDUCTION HEAT TREATMENT OF STEEL ARTICLES WITH THE HELP OF ELTA 6.0 AND 2DELTA SOFTWARE ment of steels with an analysis of the results and of the ad- pipe with additional surface hardening by continuous heating and cooling in an induction facility [10,11].Theoretical and experimental analysis of two-pass spot pdf analysis of continuous induction hardening of steel#0183;An numerical and experimental study of spot continual induction hardening (SCIH) for AISI 1045 steel was carried out to gain a better understanding of this non-stationary and transverse flux induction hardening treatment.The SCIH device was set up by assembling the single-turn coil inductor to a five-axis cooperating computer numerical control system.The influence of inductor velocity,input
Induction Hardening .Hot rolled specimens were scan induction hardened to nominal normalized effective case depths (t/r) of 0.25 (low),0.32 (medium),and 0.44 (high) using a single turn coil on a 100 kW/200 kHz power supply.The low and high case depthUS4599502A - Induction hardening of steel - Google PatentsA method for induction hardening through hardened chromium-molybdenum hot work die steel comprising the steps of induction heating to a uniform temperature above the upper critical temperature,cooling,and double tempering at temperatures below the lower critical temperature to produce a workpiece having a tough core and a hard wear resistant surface.