laser surface hardening of austempered bainitic ball

(PDF) Effect of Austempering Temperatures on

surface harde ning of austem pered (bainitic) ball bearing steel, This study concerns laser surface hardening (LSH) of austempered SAE 52100 steel to enhance hardness and wear resistance (PDF) Effects of Quench-Tempering and Laser Hardening Finally,the laser hardened and quench-tempered gray cast iron with tempering temperature of 552 °C showed similar mass loss due to wear as austempered gray cast iron with an austempering12345Next

A study of Surface wear of Hardened Cast Iron K.Srinivas

surface,which generally occurs in grey cast iron.Various researchers have investigated this phenomenon and have put forward their observation.This paper pen down their investigations on wear effect and discusses some investigations on laser surface hardening to improve the cast iron's characteristic..1.IntroductionANINDYA BASUlaser-brazed surface made by joining of AA6082 and galvanized steel,Journal of Materials Engineering and Performance,28 (2019) 2115-2127.11.D.Narsimhachary,S.M.Shariff,G.Padmanabham,A.Basu,Influence of wire feed rate on mechanical Manna,Laser surface hardening of austempered (bainitic) ball bearing steel,Scripta An Investigation on the Surface Austempering of Ductile the surface ADI layer was reasonable high in comparison with the hardness of conventional austempered ductile iron structure.The austempered microstructure shows in surface-layer an acicular bainitic ferrite and retained austenite and graphitic nodules dispersed in matrix without tranformation on core of samples.FIGURE 3.Color etching and

Anindya Basu - Google Scholar

Laser surface hardening of austempered (bainitic) ball bearing steel A Basu,J Chakraborty,SM Shariff,G Padmanabham,SV Joshi, Scripta Materialia 56 (10),887-890 ,2007Author G.Muthukumaran,P.Dinesh BabuPublish Year 2021Shrikant Joshi - Google ScholarLaser surface hardening of austempered (bainitic) ball bearing steel A Basu,J Chakraborty,SM Shariff,G Padmanabham,SV Joshi, Scripta Materialia 56 (10),887-890 ,2007Bingxu WANG Graduate Research Assistant PhD Oakland In this research,the effects of laser surface hardening treatment on the phase transformation of austempered and quench-tempered grey cast irons were investigated.It was found that there were

Bionic Coupling of Hardness Gradient to Surface Texture

Basu A,Chakraborty J,Shariff S M,Padmanabham G,Joshi S V,Sundararajan G,Dutta Majumdar J,Manna I.Laser surface hardening of austempered (bainitic) ball bearing steel.Scripta Materialia,2007,56,887890.CrossRef Google ScholarCited by 17Publish Year 2012Author A.Fernández-Vicente,M.Pellizzari,J.L.AriasMohd Shariff - Academia.eduLaser surface hardening of austempered (bainitic) ball bearing steel more by Mohd Shariff SAE 52100 steel,hardened and tempered with spheroidized carbides,is the most widely used material for ball bearing applications in rotating devices,machines and automobiles [1].Cited by 20Publish Year 2007Author Esa Vuorinen,David Pino,Jonas Lundmark,Braham Prakash(PDF) Laser surface hardening A reviewOct 12,2020·Laser beam is focused to the localised region for hardening the required portion of the material.High intensity laser radiation is involved for heating the surface of steel into the austenitic

Cited by 6Publish Year 2018Author G.Padmanabham,Ravi BatheEFFECT OF AUSTEMPERING TEMPERATURES ON

containing steel which most widely exploited material for ball-bearing applications and automotive and bearing industry [1-4]. further improved due to the upper bainitic microstructure in austempered AISI52100 steels. Laser surface hardening of austempered (bainitic) ball bearing steel,Scripta Materialia,vol.56,pp.887-890,2007.6 Cited by 79Publish Year 2007Author A.Basu,J.Chakraborty,S.M.Shariff,G.Padmanabham,S.V.Joshi,G.Sundararajan,J.Dutta MajumdaLaser surface hardening of austempered (bainitic) ball Surface laser hardening of steels is a well-established industrial technology.The surface of the specimen is scanned with a high-power laser beam along the trace to be hardened.Cited by 79Publish Year 2007Author A.Basu,J.Chakraborty,S.M.Shariff,G.Padmanabham,S.V.Joshi,G.Sundararajan,J.Dutta MajumdaLaser surface hardening of austempered (bainitic) ball This study concerns laser surface hardening (LSH) of austempered SAE 52100 steel to enhance hardness and wear resistance.Following LSH with selected laser parameters,surface microstructure and mechanical properties were evaluated by optical/scanning electron microscopy,X-ray diffraction,hardness measurement and wear studies,and thermal profile modeling.

Effect of time and temperature on chracteristics

austempered at 400°C was lower than those of austempered at 600°C.It can be bainitic microstructure in austempered (20X1MA) low alloy steel. Sundararajan G.,Dutta Majumdara J.and I.Manna,Laser surface hardening of austempered (bainitic) ball bearing steel,Scripta Materialia,vol.56,pp.887-890,Feasibility of laser surface treatment of pearlitic and May 01,2012·Laser surface hardening has been suggested as a potential technique to produce a hard surface that enhances the overall wear resistance of rolls,typically used on high-temperature rolling operations ( Heason et al.,2010,Pellizzari and De Flora,2011 ).Heat Treating of Nodular Irons Part One : Total Materia Surface hardening,by induction,flame,or laser,to produce a locally selected wear-resistant hard surface The normalizing,hardening,and austempering heat treatment,which involve austenitization,followed by controlled cooling or isothermal reaction,or a combination of the two,can produce a variety of microstructures and greatly extend

Laser Materials Processing for Industrial Applications

Jul 18,2018·Basu A,Chakraborty J,Shariff SM,Padmanabham G,Joshi SV,Sundarajan G,Dutta Majumdar J,Manna I (2007) Laser Surface hardening of austempered (bainitic) ball bearing steel.Scr Mater 56:887890.Article Google ScholarLaser surface hardening of austempered (bainitic) ball bearing steel more by Mohd Shariff SAE 52100 steel,hardened and tempered with spheroidized carbides,is the most widely used material for ball bearing applications in rotating devices,machines and automobiles [1].Mohd Shariff - Academia.eduWas this helpful?Laser surface hardening of austempered (bainitic) ball May 01,2007·Laser surface hardening (LSH) is a directed energy beam assisted surface engineering technique that allows controlled heating followed by self-quenching of steel components,leading to surface hardening (martensitic transformation) up to a limited depth without affecting the bulk ,.In the present study,an attempt has been made to enhance surface hardness and wear resistance of bainiticLaser transformation hardening of various steel grades Jan 30,2021·Laser surface hardening has become a promising replacement technique for conventional heat treatment.The laser is a heat source,deployed with optics to modify the surface along with the desired geometry.Laser density and its interaction time can be controlled and varied depending upon the final requirement at the surface.Increased hardness,diffusion-less phase transformation,

Name Dr.Shrikant V.Joshi Designation Additional Director

Laser Surface Hardening of Austempered (Bainitic) Ball Bearing Steel,A.Basu,J.Chakraborty,S.M.Shariff,G.Padmanabham,S.V.Joshi,G.Sundararajan,J.Dutta Majumdar and I.Manna,Scripta Materialia,Vol.56,2007,p.887.S M Shariff - Academia.eduLaser surface hardening of austempered (bainitic) ball bearing steel more by S M Shariff and J.Chakraborty SAE 52100 steel,hardened and tempered with spheroidized carbides,is the most widely used material for ball bearing applications in rotating devices,machines and automobiles [1].S M Shariff - Google ScholarLaser surface hardening of austempered (bainitic) ball bearing steel A Basu,J Chakraborty,SM Shariff,G Padmanabham,SV Joshi, Scripta Materialia 56 (10),887-890 ,2007

Surface Hardening and Wear Performance of Ausferritic

resistance.The method for surface-hardening used in this work is CO2-high-power laser and Nd-YAG laser treatment.Laser surface hardening treatment of conventional austempered bainitic steels has shown good results with regard to a combination of good wear resistance,Surface quality,microstructure,and mechanical properties Mar 16,2017·Basu A,Chakraborty J,Shariff SM,Padmanabham G,Joshi SV,Sundararajan G,Dutta Majumdar J,Manna I (2007) Laser surface hardening of austempered (bainitic) ball bearing steel.Scr Mater 56:887890.Article; Google ScholarThe current status of the metallurgy and processing of through the development of carbidic ADI (CADI),bainitic/Martinsitic (B/M) ADI,locally austempered ductile iron using induction hardening techniques,as well as laser surface hardening.Machinability problems of ADI,which have limited its mass production for long,have been solved

Tips for Successful Induction Hardening of Steels

Jan 13,2005·Induction surface-hardened parts having a hard outer case and ductile core are strong and typically have high compressive stresses at the surface.Compressive stresses are important for improving the fatigue properties of the component,allowing the delay of crack initiation and its propagation during service [1].Wear Characteristic of Surface Hardened Ausferritic Si Sep 01,2007·Laser surface hardening treatment of conventional austempered bainitic steels has shown good results with regard to a combination of good wear resistance,high strength of the base material and tempering resistance of the interface layer[4i.One special property that is expected for Si-steels is excellent tempering resistance.Wear and corrosion behavior of P20 steel surface modified Nov 15,2020·Laser surface hardening further elevates the surface hardness and wear resistance of the nitrided layer due to the formation of martensite.Besides,a small amount of austenite retains in surface layer after laser surface hardening,which may lead to the galvanic attack at the phase interface between martensite and retained austenite and deteriorate the surface corrosion resistance.

basua - NIT Rourkela

Anindya Basu.Professor Metallurgical and Materials Engineering (+91) 661 246 2553 ,3553

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