FIBRE LASER WELDING OF DUAL PHASE STEELS


qip-journal.euFIBRE LASER WELDING OF DUAL PHASE STEELS

Cited by 2Publish Year 2015Author Pavol vec,Alexander Schrek,Viliam Hrniar,Tom FIBRE LASER WELDING OF DUAL PHASE STEELS#225; Csics FIBRE LASER WELDING OF DUAL PHASE STEELS#243;The fibre laser welding of two different dual phase steels HCT980X and HCT600X was evaluated.The sheets with thickness of 1.2 mm were welded using the solid-state fibre laser IPG type YLR 4500 with maximum output 4.5 kW and wave length 1060 nm at graduated beam powers and welding speeds.Fibre laser welding of dual phase steels vec Acta Fibre laser welding of dual phase steels The fibre laser welding of two different dual phase steels HCT980X and HCT600X was evaluated.The sheets with thickness of 1.2 mm were welded using the solid-state fibre laser IPG type YLR 4500 with maximum output 4.5 kW and wave length 1060 nm at graduated beam powers and welding speeds.Welding of Galvanized Dual-Phase 980 Steel in a GapWelding of Galvanized Dual-Phase 980 Steel in a Gap-Free Lap Joint Configuration A new welding procedure based on GTAW as an auxiliary preheating source with a fiber laser as a main heat source has been developed to obtain the completely defect-free lap joints of galvanized DP 980 steel in a gap-free configuration BY S.L.YANG AND R.KOVACEVIC mWelding of Austenitic Stainless Steel AISI 304 by Fiber LaserPaper deals with the welding of AISI 304 thin sheets with the thickness of 1 mm by fiber laser.Statistical software MiniTab was used for planning the experiment.The influence of laser power,welding speed and focal point position on width and depth of weld bead was examined.Output power,welding speed and focus point position were used as variable factors for DOE.

Welding of AHSS/UHSS steel - SSAB

The laser welding chapter covers the recommended penetration levels for lap welding,the laser welding of zinc-coated AHSS/UHSS steels,and laser heat input ranges for very high strength UHSS steel.The chapter includes specifications for the hardness of the welds metal (fusion zone) vs.carbon content of base metal in laser welds,as well Welding of AHSS/UHSS steel - SSABThe laser welding chapter covers the recommended penetration levels for lap welding,the laser welding of zinc-coated AHSS/UHSS steels,and laser heat input ranges for very high strength UHSS steel.The chapter includes specifications for the hardness of the welds metal (fusion zone) vs.carbon content of base metal in laser welds,as well The unique characteristics of dual-phase steelsDual-phase (DP) steels comprise a soft,continuous phase (a mechanically separable or visually identifiable portion of a structure) known as ferrite surrounding islands of a hard phase known as martensite (see Figure 1)..The ferrite phase is mainly pure iron,just like the extra-deep-drawing steel grades used to make automotive fenders; this phase gives this steel grade its high ductility.

The unique characteristics of dual-phase steels

Dual-phase (DP) steels comprise a soft,continuous phase (a mechanically separable or visually identifiable portion of a structure) known as ferrite surrounding islands of a hard phase known as martensite (see Figure 1)..The ferrite phase is mainly pure iron,just like the extra-deep-drawing steel grades used to make automotive fenders; this phase gives this steel grade its high ductility.Tensile properties of fiber laser welded joints of high Apr 01,2014 FIBRE LASER WELDING OF DUAL PHASE STEELS#0183;High strength low alloy (HSLA) and dual-phase DP980 (UTS 980 MPa) steels were joined using fiber laser welding in similar and dissimilar materials combinations.The welded joints were characterized with respect to microhardness and tensile properties at three different temperatures 40 FIBRE LASER WELDING OF DUAL PHASE STEELS#176;C,25 FIBRE LASER WELDING OF DUAL PHASE STEELS#176;C,and 180 FIBRE LASER WELDING OF DUAL PHASE STEELS#176;C.SIMULATION OF FORMING PROCESSES WITH LOCALlaser welding and the study of the influence of this on the phase composition,and also properties of the welded joint [4 6].Refs.[7,8] show the possibility of applying laser heat treatment to increase the hardness and strength of the local areas of dual phase steels.One

Related searches for FIBRE LASER WELDING OF DUAL PHAS

fiber laser welding machinefiber laser manual weldingportable fiber laser welding machineSome results are removed in response to a notice of local law requirement.For more information,please see here.Previous123456NextFibre laser welding of dual phase steels vec Acta The fibre laser welding of two different dual phase steels HCT980X and HCT600X was evaluated.The sheets with thickness of 1.2 mm were welded using the solid-state fibre laser IPG type YLR 4500 with maximum output 4.5 kW and wave length 1060 nm at graduated beam powers and welding speeds.Related searches for FIBRE LASER WELDING OF DUAL PHASfiber laser welding machinefiber laser manual weldingportable fiber laser welding machineSome results are removed in response to a notice of local law requirement.For more information,please see here.12345NextFiber Laser Welding of Dual-Phase and Bake-Hardened SteelsOct 27,2016 FIBRE LASER WELDING OF DUAL PHASE STEELS#0183;Microstructural changes and microhardness profiles of laser-welded dual-phase DP600 and bake-hardened 220BH steels were evaluated.The joints of these steels were butted with different welding parameters.They exhibited the microstructural changes,from ferrite and martensite in dual-phase steels or ferrite in bake-hardened steels to acicular ferrite,bainite and martensite in the fusionRelated searches for FIBRE LASER WELDING OF DUAL PHASfiber laser welding machinefiber laser manual weldingportable fiber laser welding machineSome results are removed in response to a notice of local law requirement.For more information,please see here.

Microstructure and fatigue properties of fiber laser

Fiber laser welding Dissimilar joint High strength low alloy steel Dual-phase steel Microstructure Fatigue abstract The aim of this study was to evaluation the microstructure and fatigue properties of welded joints made with ber laser welding (FLW) on a high strength low alloy (HSLA) and dual-phaseMicrostructure and deformation behaviour of laser welded (2016).Microstructure and deformation behaviour of laser welded dissimilar dual phase steel joints.Science and Technology of Welding and Joining Vol.21,No.2,pp.75-82.Microstructure and Microhardness of Fiber Laser Welded Nov 14,2017 FIBRE LASER WELDING OF DUAL PHASE STEELS#0183;The fiber laser welding of dual-phase DP980 steels with high-strength low-alloy LA340 steels was studied with a concentration on microstructure,microhardness,and tensile properties of butt joints.The microstructure in the fusion zone of joints was predominantly built of lower bainite and martensite.Mainly martensite was found in the coarse-grained region of HAZ near DP980 steel,but

Microstructure and Microhardness of Fiber Laser Welded

Nov 14,2017 FIBRE LASER WELDING OF DUAL PHASE STEELS#0183;The fiber laser welding of dual-phase DP980 steels with high-strength low-alloy LA340 steels was studied with a concentration on microstructure,microhardness,and tensile properties of butt joints.The microstructure in the fusion zone of joints wasLaser Welding of Complex Phase and Dual Phase Advanced This study investigates microstructure formability correlation of fiber laser welds of an un-coated complex phase (CP) AHSS and a hot dipped galvannealed (HDGA) dual phase (DP) AHSS.Both steels were developed to have a minimum tensile strength of 980 MPa,a minimum yield strength of 590 MPa and a minimum total elongation of 12% in the material Laser Welding Machine - MORN LASERMORN Handheld Fiber Laser Welding Machine,also called Handheld Fiber Laser Welder,Portable Fiber Laser Welding Machine,Manual Fiber Laser Welding Machine,is a new type high-power,high-end continuous welding tool that couples a high-energy laser beam into an optical fiber,collimates it into parallel light through a collimating lens after long-distance transmission,and then focuses on the

Laser Beam Welding Equipment,Principle,Working with

Sep 27,2019 FIBRE LASER WELDING OF DUAL PHASE STEELS#0183;Fiber laser The lasing medium in this type of laser is optical fiber itself.Characteristics of Laser Beam Welding.The power density of laser beam welding is high.It is of the order 1 MW/cm 2.Because of this high energy density,it has small heat-affected zones.The rate ofFiber laser welding of dual-phase galvanized sheet steel NIST has undertaken an ambitious initiative to improve predictions of weldability,reliability,and performance of laser welds.This study investigates butt welding of galvanized and ungalvanized dual-phase automotive sheet steels (DP 590) using a 10 kW commercial fiber laser system.Fiber laser welding of dual-phase galvanized sheet steel Laser welding has many advantages over traditional joining methods,yet remains underutilized.NIST has undertaken an ambitious initiative to improve predictions of weldability,reliability,and performance of laser welds.This study investigates butt welding of galvanized and ungalvanized dual-phase automotive sheet steels (DP 590) using a 10 kW commercial fiber laser system.

Fiber laser welding of dual-phase galvanized sheet steel

A 4 kW fiber laser was chosen to weld the new hot-rolled nano-scale precipitation-strengthened steel with a thickness of 4.5 mm.The effect of laser power,defocusing distance,and welding speed Fiber laser welding of dual-phase galvanized sheet steel FIBRE LASER WELDING OF DUAL PHASE STEELS#0183;Of the available different welding techniques,Laser welding technique has gained a lot of importance in welding of dual phase steels because of smaller Heat affected Zone (HAZ) and Fusion Zone (FZ) compared with other welding techniques.Fiber Laser Welding of Direct-Quenched Ultrahigh Strength Sep 09,2015 FIBRE LASER WELDING OF DUAL PHASE STEELS#0183;Fiber Laser Welding of Direct-Quenched Ultrahigh Strength Steels Evaluation of Hardness,Tensile Strength,and Toughness Properties at Subzero Temperatures Microstructure and Fatigue Performance of Single and Multiple Linear Fiber Laser Welded DP980 Dual-Phase Steel,

Fiber Laser Welding of Advanced High Strength Steels

Fiber laser welding (FLW) was used to join advanced high strength steel (AHSS) and high strength steel (HSS); specifically two dual-phase (DP) steels,with ultimate tensile strengths above 980 MPa and with different chemistries (DP980 Rich and DP980 Lean),and a high strength low alloy (HSLA) steel,with an ultimate tensile strength of 450MPa (HSLA450).Failure study on laser welds of dual phase steel in Failure study on laser welds of dual phase steel in formability testing M.S.Xia1,2,M.L.Kuntz1,Z.L.Tian2 and Y.Zhou*1 In this paper,the formability of YAG and diode laser welded blanks of a dual phase (DP) steel with banded martensite was investigated byEvolution of Microstructural and Mechanical Properties of Over the past decade,Dual Phase steels are extensively used in the automotive industry to reduce the weight of the vehicles.The Fiber laser welding has been showing superior weld quality over other laser welding methods.DP 600 grade is most widely used grade among DP steels.Influence of heat input on microstructural and mechanical properties for the given thickness has been investigated.

Effects of concavity on tensile and fatigue properties in

properties in fibre laser welding of automotive steels D.Westerbaan1,D.Parkes2,S.S.Nayak*1,D.L.Chen2,E.Biro3,F.Goodwin4 and Y.Zhou1 DP980 dual phase and high strength low alloy (HSLA) steels were welded,using fibre laser,with varying amounts of concavity to determine its effects on the tensile and fatigue properties.HigherEffects of Heat Input and Martensite on HAZ Softening in Effects of Heat Input and Martensite on HAZ Softening in Laser Welding of Dual Phase Steels Mingsheng XIA,1,2) Elliot BIRO,3,4) Zhiling TIAN2) and Y.Norman ZHOU1) 1) Centre for Advanced Materials Joining,University of Waterloo,200 University Ave.W.,Waterloo,Ontario,Canada,N2L 3G1.Effect of welding speed on microstructure,hardness and The increasing demand of lightweight and durability makes advanced high strength steel attractive for future automotive applications.In this study,08 mm thick bare 600,800 and 1000 MPa grade dual phase steel and 1500 MPa grade martensitic steel were laser welded,and the effect of welding speed on weld bead geometry,microhardness,microstructure and tensile properties was investigated.

Cited by 3Publish Year 2016Author P.vec,A.Schrek,T.Csics FIBRE LASER WELDING OF DUAL PHASE STEELS#243;Dissimilar Fiber Laser Welding between Dual Phase and

With increasing use of dual phase steels in the automotive industry,it is important to have an understanding of how they behave when they are welded to conventional high strength low alloy steels (HSLA).Fiber laser welded dissimilar joints between DP980 and HSLA steels were evaluated in tension at low temperature (-40 FIBRE LASER WELDING OF DUAL PHASE STEELS#176;C),room temperature (25 FIBRE LASER WELDING OF DUAL PHASE STEELS#176;C),elevatedCited by 2Publish Year 2015Author Pavol vec,Alexander Schrek,Viliam Hrniar,Tom FIBRE LASER WELDING OF DUAL PHASE STEELS#225; Csics FIBRE LASER WELDING OF DUAL PHASE STEELS#243;Fiber Laser Welding of Dual-Phase and Bake-HardenedOct 27,2016 FIBRE LASER WELDING OF DUAL PHASE STEELS#0183;Microstructural changes and microhardness profiles of laser-welded dual-phase DP600 and bake-hardened 220BH steels were evaluated.The joints of these stee They exhibited the microstructural changes,from ferrite and martensite in dual-phase steels or ferrite in bake-hardened steels to acicular ferrite,bainite and martensite in the fusion and heat-affected zones of the weld joints.(PDF) Study of Laser Welding of HCT600X Dual Phase SteelsStudy of Laser Welding of HCT600X Dual Phase Steels. of deep penetration laser welding of S355 EN 10025 structural steel of 20 and 25mm thickness with a high power fiber laser at power levels

(PDF) Microstructure-properties correlation in fiber laser

Similar and dissimilar welds of dual-phase (DP) and high strength low alloy (HSLA) steels were made by fiber laser welding (FLW).The welds were characterized with respect to microstructure,micro- and nano-hardness,and tensile properties.The(PDF) Laser beam welding of dual-phase DP1000 steelAutogeneous laser beam welding is an efficient process to join ferritic-martensitic dual-phase steels without large dimensional distortions.Localized softening may occur in the heat affected zone


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