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study on weldability window and interface morphology of

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Weldability Windows for Explosive Cladding of Dissimilar

Welding window the analytical estimation to determine the nature of interface was formulated using empirical relations proposed by various researchers and was verified experimentally.The lower limit of weldability window in three dimensions is developed in this study.Triaxial Weldability Window Scientific.NetWelding window the analytical estimation to determine the nature of interface was formulated using empirical relations proposed by various researchers and was verified experimentally.The lower limit of weldability window in three dimensions is developed in this study.The Weldability Evaluation of Dissimilar Welds of AISIIn the present study,the weldability and microstructure of dissimilar welds of AISI 347 austenitic stainless steel to ASTM A335 low alloy steel was investigated.For this purpose,gas tungsten arc welding process and two filler metals including ERNICr-3 and ER309L were used.After welding,the microstructure of the different zones of each

Surface Morphology - Cornell University

material on substrates of the same material,morphology is determined by the orientation dependence of the surface free energy.On the other hand,in two-material systems,e.g.,for heteroepitaxial films of one material on substrates of a different material,morphology is also determined by interfaceStudy on weldability window and interface morphology of Nov 01,2019 study on weldability window and interface morphology of#0183;Through theoretical analysis,the weldability window of these two metals was obtained,which could enable the prediction of the welding interface morphology under different explosive conditions.The explosive welding tests under different explosive loading conditions were carried out and 30CrMnSi/tungsten alloy composite rods were obtained.Study on the Effects of Explosive Covering on Explosive The microstructure of the bonding interface was observed through optical microscopy and analyzed by welding window.The results showed that,compared to the explosive welding without covering,the impact velocity of flyer plates was increased by 38.9 %,57.5 % and 71.9 % respectively when the covering thickness was 15 mm,30 mm and 45 mm.

Study of the elaboration of a practical weldability window

Aug 01,2013 study on weldability window and interface morphology of#0183;3.2.Weldability window.The previous analysis about the welding variance based on the interface morphology provides further insights into ways of determining a weldability window.An useful weld variance presentation is obtained using the projection of the wave amplitude in the charging voltagegap (Ug) chart.The results give isovalues that show an overview of the welding range.Study of resistance spot weldability of a new stainless (2019).Study of resistance spot weldability of a new stainless steel.Science and Technology of Welding and Joining Vol.24,No.2,pp.101-111.Simulation and Experimental Analysis of Metal Jetwelding window.The vertical axis represents collision velocity,and the horizontal axis represents collision angle.The weldable area and the corresponding weld interface morphology are indicated in the welding window.The shape of the welding window is almost equivalent for various types of similar- and dissimilar-lap joints.The relationship

Proofs and Contradictions for Wave Formation Theories in

[39] M.H.Athar,B.Tolaminejad,Weldability window and the effect of interface morphology on the properties of Al/Cu/Al laminated composites fabricated by explosive weldingPrevious123456NextExplosive Welding of Copper to High Nitrogenwith the results predicted by the welding window.The micromorphology of the welding interface changed with a varied welding parameter,and no intermetallic compounds were found at the welding interface by EDS analysis.The microhardness of the two raw materials both increased near the welding interface,and the enhancement increased with the explosive loading.The failure patternNumerical and experimental studies - Welding in the WorldApr 11,2019 study on weldability window and interface morphology of#0183;In this paper,the effect of initial tensile strength on the explosive welding interface morphology and welding quality was studied.The plates with different initial tensile strength were fabricated via the explosive welding method under the same parameters.Microstructure and hardness at the interface were obtained.According to the characterization,the results demonstrated the morphology

Numerical and Experimental Studies on the Explosive

Weldability window concept for explosive welding.The right boundary defines the conditions to the formation of a jet at the collision point.Walsh stated that the VC should be smaller than the sound speed of the materials to be welded.However,Abrahamsen [18] suggested that VC is a weak function of the collision angle ,as follows 8 study on weldability window and interface morphology of#188;= study on weldability window and interface morphology of#218; 10Numerical and Experimental Studies on the Explosive The W/Cu interface exhibited a wavy morphology,and no intermetallic or transition layer was observed.The wavy interface formation,as well as the distributions of temperature,pressure and plastic strain at the interface were studied through numerical simulation with Smoothed Particle Hydrodynamics (SPH).Numerical and Experimental Studies on the Explosive The W/Cu interface exhibited a wavy morphology,and no intermetallic or transition layer was observed.The wavy interface formation,as well as the distributions of temperature,pressure In this study,the average detonation The weldability window concept has been introduced to

Numerical Study on High Velocity Impact Welding Using a

It is demonstrated that with proper impact welding velocity and initial welding angle,the modified SPH method can well reproduce the morphology evolution of the welding interface from straight to wavy and further to wavy interface with vortex shedding.Investigation of interface properties and weldability of In this study,weldability of aluminum sheet to copper sheet by explosive welding and the effect of explosive ratio on the joint interface have been investigated experimentally.Investigation of interface properties and weldability of In this study,weldability of aluminum sheet to copper sheet by explosive welding and the effect of explosive ratio on the joint interface have been investigated experimentally.

Interfacial Morphology and Bonding Mechanism of

Interfacial structure greatly affects the mechanical properties of laminated plates.However,the critical material properties that impact the interfacial morphology,appearance,and associated bonding mechanism of explosive welded plates are still unknown.In this paper,the same base plate (AZ31B alloy) and different flyer metals (aluminum alloy,copper,and stainless steel) were used to Interfacial Morphology and Bonding Mechanism of Explosive Interfacial structure greatly affects the mechanical properties of laminated plates.However,the critical material properties that impact the interfacial morphology,appearance,and associated bonding mechanism of explosive welded plates are still unknown.In this paper,the same base plate (AZ31B alloy) and different flyer metals (aluminum alloy,copper,and stainless steel) were used to Influence of hot rolling on the interface microstructure Hoseini Athar,M.M.and Tolaminejad,B.Weldability window and the effect of interface morphology on the properties of Al/Cu/Al laminated composites fabricated by explosive welding

Explosive welding of aluminum to aluminum:analysis

2.2.Weldability window The advances achieved by Deribas [3],Wittman [6],Cowan [9] and Szecket [12] enable the construction of a plot that Szecket named the weldability window,which includes both a straight and wavy interface domain.This plot is applied toExplosive welding of Al alloys and high strength duplex Oct 01,2020 study on weldability window and interface morphology of#0183;The aim of this study is to join such difficult-to-weld materials using interlayer welding method reported by Hokamoto et al.,it is one of the states of art in explosive welding field.In this study,the interface morphologies using direct and interlayer welding are compared,and the bonding strength at the welding interface is examined.Explosive Welding of Copper to High Nitrogenone explosion.Athar and Tolaminejad [6] calculated the weldability window of aluminum-copper and studied the inuence of welding parameters on the interface morphology and the mechanical properties of Al/Cu/Al composites.The interface morphology and the mechanical properties were different under different conditions of explosive welding.

Experimental Study on the Explosive Welding of Thin

[12] M.M.Hoseini Athar and B.Tolaminejad,Weldability window and the effect of interface morphology on the properties of Al/Cu/Al laminated composites fabricated by explosive welding.Materials Design,2015.86 pp.516-525.Effect of thermoplastic morphology on mechanical welding and hot plate welding showed effects on weld strength based on the thickness of a recrystallized zone,de-formed spherulites,or stretched spherulites [1315].In con-trast,[16] examined a correlation between decreasing spheru-lite size and increasing tensile strength.The effect of spheru-Effect of thermoplastic morphology on mechanical welding and hot plate welding showed effects on weld strength based on the thickness of a recrystallized zone,de-formed spherulites,or stretched spherulites [1315].In con-trast,[16] examined a correlation between decreasing spheru-lite size and increasing tensile strength.The effect of spheru-

Effect of boron contents on weldability in high strength

A previous study of crack properties,morphology and microstructure in accordance with welding conditions was published in Welding Journal(Lee,2006).Microstructure,strength and absorbed energy were studied for EH32 TMCP (Thermo-Mechanical Controlled Process) 40 mm thick plate welded with a gas-shielded flux cored arc welding.Effect of aluminium tempering on explosive welding The interface were wavy for both combinations but with different waves morphology; For the same alloy,differences in tempering (essentially differences in hardness and mechanical strength) change the waves morphology and the weldability window.Nevertheless,it was not found significant differences in weldEffect of Conductivity of the Inner Rod on the Collision But waveless interface without apparent deformation,wavy morphology and interface deterioration are practically evidenced at the interface and they allow a pragmatic distinction of a successful welding range (Raoelison et al.,2013,Nassiri et al.,2015).In accordance with the aforementioned reason,the weldability in impact welding is

Cited by 3Publish Year 2019Author Ren Baoxiang,Tao Gang,Wen Peng,Du ChangxingWeldability window and the effect of interface morphology

Dec 05,2015 study on weldability window and interface morphology of#0183;Interface morphology of Al/Cu joints was successfully predicted by welding window. Effects of explosive ratio on the welding interface were investigated. Bond strength of different interfaces was evaluated using tensile shear test. Wavy interface under high explosive ratio had the highest bonding shear strength.Cited by 39Publish Year 2013Author R.N.Raoelison,N.Buiron,M.Rachik,D.Haye,G.Franz,M.HabakStudy of the elaboration of a practical weldability window Early studies revealed that jetting and hydrodynamic conditions at the interface govern the weldability windows [12][13][14]. weld interface morphology can range from flat to varying degrees Cited by 118Publish Year 2015Author M.M.Hoseini Athar,Behzad TolaminejadWeldability Window and the Effect of Interface Morphology Furthermore,the results in this study corresponding to the weldability window and the observed interface morphology are similar to those reported by Hoseini et al.,which were also calculated

Assessment of parameters windows and tool pin profile on

Dec 20,2019 study on weldability window and interface morphology of#0183;A detailed study on the mechanical property variation of the final weld with respect to the variation in grain size was also performed.Weld bead analysis The results of the microstructural investigation at various weld zones of the best (based on mechanical properties) experiment E15 was performed and are depicted in Fig.9 a.Arbitrary Lagrangian-Eulerian Finite Element Simulation According to the four welding modes in interfacial morphology,the weldability region determined by the impact velocity and impact angle is denoted as weldability window I for HVIW in this paper.ABSTRACT(2015a) predicted the weldability window of parameters by using the finite element simulation.A test was done to verify the simulation and weldability window.In this study,the optimum operational parameters were predicted to prepare the excellent interface by the weldability window and the numerical analyses.

12345Next(PDF) Review of the weldability window concept and

A welding experiment between 304L and Q235b has been done with the ultra-low charge of 15 millimeter thickness based on the R--type weldability window for double vertical explosive welding.(PDF) Microstructural,Mechanical and Corrosion Using weldability window to analysis tri-metallic joints,the analysis revealed why using an interlayer can make the welding easily.Further,a method to realize interlayer welding is presented.View

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