microstructure and mechanical properties of welded joints

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Microstructure and mechanical properties of laser welded

3 rows·Sep 01,2018·Nmeek et al.(2012) reported that laser welded joint of transformation-induced plasticity How is the tensile failure mechanism of a welded pipe determined?How is the tensile failure mechanism of a welded pipe determined?The tensile failure mechanism of the welded pipes at different fusion time was projected based on the tensile test of dog-bone shaped,fully notched bar type as well as round U-notched specimens.The mechanical properties of the joints at different fusion time were correlated with the corresponding fracture surface morphology.Microstructure and Mechanical Properties of the Butt Joint in High Density Polyethylene Pipe What are the mechanical properties of the butt joint?What are the mechanical properties of the butt joint?The microstructure and mechanical properties of the butt joint in high density polyethylene (HDPE) pipes were evaluated by preparing the joints with increasing the cooling time from 10 s to 70 s before pressure created for fusion of the pipes.Microstructure and Mechanical Properties of the Butt Joint

What is microhardness in welding?What is microhardness in welding?Microhardness increased from 205 VHN to 230 VHN for low heat input,194VHN to 211 VHN for medium heat input,and 182 VHN to 195 VHN for high heat input welded specimens.The microstructural study indicated that the high heat input produced larger dendrites than produced with medium,and low those heat input.Keywords Effect of heat input on microstructure and mechanical (PDF) Microstructure and mechanical properties of friction

The microstructures in the weld region and mechanical properties of the welded joints were determined by extensive optical microscopy investigations,microhardness measurements,tensile and Author M.St.Wglowski,S.Dymek,M.Kopyciaski,J.Niagaj,J.Rykaa,W.De Waele,S.HerteléPublish Year 2020Microstructure and mechanical properties of resistance area reduction on the joint microstructures and mechanical properties were investigated.At a welding current of 40 A,a NiTi/SS joint with a reaction layer of several microns in size was obtained.

Cited by 11Publish Year 2019Author W.K.Wang,Y.Liu,Q.B.Zhang,L.J.Zhang,J.X.ZhangMicrostructure and Mechanical Properties of Laser Welded

Optical microscopy,scanning electron microscopy,energy dispersive spectroscopy,hardness tester,and electro-hydraulic servo testing machine were used for the microstructure observation and mechanical property examination.Specimens extracted from the welded plates were tested at room temperature for the determination of the tensile and fatigue properties of the welded joints.Cited by 17Publish Year 2017Author Qiao Li,Yuanxiang Zhu,Jialin GuoThe Microstructure and Mechanical Properties of Multi The welded joints are composed of columnar austenite and dendritic ferrite and welded joints obtained under high heat input and cooling rate have a noticeable coarse-grained heat-affected zone and larger columnar austenite in weld seam.Compared with welded joints obtained under the high heat input and cooling rate,welded joints have the higher fractions of deformed grains,high angle grain boundaries,Cited by 17Publish Year 2018Author Qiang Jia,Qiang Jia,Wei Guo,Zhandong Wan,Yun Peng,Guisheng Zou,Zhiling Tian,Y.Norman Zhou B1500HS Method BM Super-critical HAZ Inter-critical HAZ Sub-critical HAZ XRD 10.8 5.8 5.8 0 EBSD 8.4 0 0.6 3 rows on sciencedirectMicrostructure and Mechanical Properties of Electron Beam Microstructure and composition of welded joints were analyzed by means of optical microscopy,scanning electron microscopy,energy dispersive spectroscopy,and X-ray diffraction.Mechanical properties of welded joints were evaluated by microhardness and tensile strength tests.

Cited by 18Publish Year 2011Author F.Gemme,Y.Verreman,L.Dubourg,P.WanjaraMicrostructure and Mechanical Properties of Welded Joints

In this present study,A comparative research on the mechanical properties of the dissimilar welded joints of 800H and Cr18Ni30Mo2Al3Nb was investigated.Butt joints were made using argon tungsten-arc welding (TIG).The TIG joint was made using well established welding parameters (i.e.,current ampere of 110~120A,welding rate of 105~115mm/min,argon flow 8~10L/min and voltage of 12V).Cited by 1Publish Year 2018Author Lingda Xiong,Gaoyang Mi,Chunming WangMicrostructure and mechanical properties of resistance Nov 01,2017·The effects of welding current and post-welding cold drawing with 30% area reduction on the joint microstructures and mechanical properties were investigated.At a welding current of 40 A,a NiTi/SS joint with a reaction layer of several microns in size was obtained.Cited by 1Publish Year 2019Author Jiaxing Gu,Shanglei Yang,Chenfeng Duan,Qi Xiong,Yuan WangA comprehensive study on the microstructure andFeb 18,2020·The microstructure of the HAZ varies continuously from a coarseto fine-grained microstructure of the base material.The results of mechanical properties of girth welded joints are also presented.The hardness and strength of arc welded joints depend on welding filler materials as well as welding technology.

Cited by 24Publish Year 2014Author Jin Jia,Shang-Lei Yang,Wei-Yuan Ni,Jian-Ying BaiRole of welding processes on microstructure and mechanical

May 14,2019·Microhardness distribution across four weld joints was recorded and hardness variations were compared.All weld zone,heat affected zone (HAZ) of GTAW and LBW,thermo-mechanically affected zone (TMAZ) of FSW processes,exhibited higher hardness values than the base metal.Reduced hardness was recorded at HAZ of AGTAW process.Cited by 2Publish Year 2019Author Xi Chen,Zhenglong Lei,Yanbin Chen,Meng Jiang,Ze Tian,Jiang Bi,Sanbao LinMicrostructure and mechanical properties of fiber laser Oct 08,2014·Microstructure and mechanical properties of fiber laser welded joints of ultrahigh-strength steel 22MnB5 and dual-phase steels - Volume 29 Issue 21 -Cited by 3Publish Year 2019Author Yang Han,Xiaoqing Jiang,Shujun Chen,Tao Yuan,Hongwei Zhang,Yafeng Bai,Yiming Xiang,Xiaoxu Li(PDF) Microstructure and mechanical properties of UNS Microstructure and mechanical performance of the welded joints of UNS N10003 alloy have been investigated in this work.Primary precipitates in base metal and eutectic precipitates in Heat Affected

Cited by 4Publish Year 2018Author P.Anitha,M.C.Majumder,V.Saravanan,S.RajakumarMicrostructure and Mechanical Properties of Laser-Welded

Mar 28,2016·Tan et al.(Ref 17) observed that the weld microstructure consisted primarily of the B2 phase and a large quantity of O/ 2 particles during EBW of Ti-22Al-25Nb/TC11 dissimilar alloys.However,the laser-beam-welded joint of the Ti-22Al-25Nb/TA15 was mainly composed of the B2 phase and a small amount of martensitic .Cited by 6Publish Year 2019Author R Rajasekaran,AK Lakshminarayanan,M Vasudevan,P VasantharajaInvestigation of microstructure and mechanicalThe objective of the present work is to investigate mechanical properties of welded joint of AA2024 and AA5052 by friction stir welding and analyzed the microstructure of welded joint by SEM testing machine.2.Materials and method The work-pieces to be joined by FSW process are machined to the required dimensions.Cited by 8Publish Year 2018Author Yong-jian Fang,Xiao-song Jiang,De-feng Mo,Ting-feng BBNg,Zhen-yi Shao,De-gui Zhu,Ming-hao Zhu,Microstructure and local mechanical properties of a Feb 18,2019·A novel dissimilar metal welded joint (DMWJ) is demonstrated in a steam turbine rotor application.The integrity of the joint is investigated using the stratified tensile method for the first time and its local tensile mechanical properties are evaluated.The effect of the amount of Cr and Mo,post weld heat treatment,welding heat flow and carbon migration on the microstructure and local

Cited by 9Publish Year 2019Author Jianguo Li,Huan Li,Yu Liang,Pingli Liu,Lijun YangMicrostructure and Mechanical Properties of Laser Welded

Oct 11,2019·It is found that microhardness,tensile strength,and cupping test qualification rate decreases with the increase of the laser power.For the 1.1 kW laser power,the sound weld performs the best mechanical properties Microhardness of 466.53 HV and tensile strength of 1349.9 MPa.Effect of Al Content in Magnesium Alloy on Microstructure Laser penetration welding of magnesium alloys and pure titanium TA2 with unequal thickness was performed.Mg base metal with different Al content (AZ31B,AZ61A,AZ91D) was used to investigate the influence of Al element in microstructure and mechanical properties of Mg/Ti dissimilar joints.TheEffect of Friction Stir Welding Parameters on the friction stir welding.The inuence of the welding parameters on the microstructure and mechanical properties of the joints was investigated.Tensile and bending tests and microhardness measurements were used to determine the mechanical properties.The microstructures of the weld zone were

Effect of Welding on Microstructure and Mechanical

welding of low carbon steel,there are limited publica-tions [2-8].For example,Gural et al.[2] have studied the heat treatment in two phase regions and its effects on microstructure and mechanical strength after welding of the low carbon steel.On the other hand,Eroglu and Ak-soy [3] investigated the effect of initial grain size on mi-Effect of heat input on microstructure and mechanical Butt-joints of AISI 304 stainless steel plates were developed by exercising manual TIG welding process and consequently detailed out in order to evaluate their microstructure and mechanical properties for different conditions of low,medium and high inputs.The major results exhibited that the weldment was stronger than the base metal and Effect of heat input on microstructure and mechanical Effect of heat input on microstructure and mechanical properties of the TIG welded joints of AISI 304 stainless steel .T.A.Tabish*,1.T.Abbas*,M.Farhan*,S.Atiq*,T.Z.Butt** Abstract AISI 304 stainless steel plates were butt-welded through manual tungsten inert gas welding (TIG) process.

Effect of heat input on microstructure and mechanical

Effect of heat input on microstructure and mechanical properties of the TIG welded joints of AISI 304 stainless steel .T.A.Tabish*,1.T.Abbas*,M.Farhan*,S.Atiq*,T.Z.Butt** Abstract AISI 304 stainless steel plates were butt-welded through manual tungsten inert gas welding (TIG) process.Effect of welding parameters on microstructure and May 31,2011·The effects of advancing speed and rotational speed on the microstructure and the mechanical properties of friction stir welded 7075T6 aluminium alloy sheets were studied.The fatigue strength of sound joints was measured and compared to tensile testing results.Macrographs and microhardness maps were carried out to reveal the microstructure transformations.Effects of AlSi12 interlayer on microstructure and The morphology of the weld seam,the formation mechanism of interface,and the microstructure and mechanical properties of both direct and AlSi12 (ER4047)-added dissimilar 5A06Al/Ti6Al4V lap joints were investigated,respectively.The Gibbs free energies of intermetallic compounds,such as TiAl3,TiAl,and Ti3Al,were calculated.The results showed that the interface layers were mainly

Effects of AlSi12 interlayer on microstructure and

The morphology of the weld seam,the formation mechanism of interface,and the microstructure and mechanical properties of both direct and AlSi12 (ER4047)-added dissimilar 5A06Al/Ti6Al4V lap joints were investigated,respectively.The Gibbs free energies of intermetallic compounds,such as TiAl3,TiAl,and Ti3Al,were calculated.The results showed that the interface layers were mainly Investigation of microstructure and mechanical properties Jan 18,2019·The aim of this study is to characterize the microstructures and mechanical properties of FSWed dissimilar low carbon steels joint.The results indicated that the weld region is comprised of complex microstructures such as Widmanstatten ferrite,ferrite with or without carbide aggregates and grain boundary ferrite.Mechanical properties and microstructure of longitudinal Apr 15,2020·Mechanical properties and microstructure of longitudinal submerged arc welded joint of a new CMn steel sheet cladding fine grained ferrite in surface layer for a long distance transport pipeline J W Fan 1,2 ,J Luo 1,4 ,J J Gao 1 ,F H Bo 3 ,Q Ren 3 ,H X Lin 1 and H B Geng 1

Microstructure Evolution and Mechanical Properties of a

Mar 29,2021·The Microstructure and Mechanical Properties of Multi-Strand,Composite Welding-Wire Welded Joints of High Nitrogen Austenitic Stainless Steel.Li J ,Li H ,Liang Y ,Liu P ,Yang LMicrostructure and Mechanical Characterization ofThe macrostructure properties in the welding interface of the welded samples were observed and the microstructure of the friction welding joints was investigated by using an optical microscope.Martin Charles et al.Friction welding is used extensively in joining of similar and dissimilar materials for the many engineering applications.Microstructure and Mechanical Properties of Fe-36Ni and High-quality joining of dissimilar alloys between Fe-36Ni alloy and 304L stainless steel is essential in the manufacturing of LNG tanker.In this study,lap joints of Fe-36Ni and 304L dissimilar alloys were fabricated by a pulsed gas tungsten arc welding (P-GTAW) process.The effects of low-frequency pulse on the appearance,microstructure and mechanical properties of the Fe-36Ni/304L lap

Microstructure and Mechanical Properties of Friction Crush

Sep 10,2020·Friction crush welding applications (FCW) provides versatile applications in sheet metals welding.In this work,different tool rotational speeds (220,410,920,1500 rpm) and feed rates (20,43,80,150 mm/min) were used to weld oxygen-free copper sheets with flanged edges.Evaluation of Cu-Cu joints was performed successfully using optical microscope,vickers hardness and tensile test.Microstructure and Mechanical Properties of GMAW WeldedThis present work explored the welding process of gas metal arc welding for 4mm 5E61 Er-containing aluminum alloy,and then analyzed the microstructure and mechanical properties of the welded joint.The results demonstrated that when the welding current was 160A-220A,the welded joint penetration depth range was 5.75mm to 6.72mm,the melting width ranging from 9.68mm to 11.61mm.Microstructure and Mechanical Properties of GTAW Welded Jan 13,2021·Experiment of automatic gas tungsten arc welding of liquefied natural gas carrier Invar alloy with a thickness of .7 mm was completed,and the welding parameters were optimized,as well as microstructure and mechanical properties of the welded joint were measured and analyzed.

Microstructure and Mechanical Properties of Laser Beam

Microstructural and mechanical properties of laser welded butt joints between finegrained (FG) and standard (STD) Ti6Al4Vare investigated to determine their behavior under static and cyclic loads Microstructure and Mechanical Properties of the Butt Joint AbstractIntroductionMaterials and MethodsResults and DiscussionConclusionsAcknowledgmentsThe microstructure and mechanical properties of the butt joint in high density polyethylene (HDPE) pipes were evaluated by preparing the joints with increasing the cooling time from 10s to 70s before pressure created for fusion of the pipes.Here,cold fusion flaws in HDPE butt joint were created with increasing the cooling time around 70s caused by the close molecular contact followed by insufficient interdiffusion of chain segments back and forth across the wetted interface.The tensile failuSee more on hindawiCited by 3Publish Year 2016Author Pashupati Pokharel,Yoonsang Kim,Sunwoong Choi(PDF) Microstructure and mechanical properties of friction The microstructures in the weld region and mechanical properties of the welded joints were determined by extensive optical microscopy investigations,microhardness measurements,tensile and Microstructure and Mechanical Properties of the Butt Joint The microstructure and mechanical properties of the butt joint in high density polyethylene (HDPE) pipes were evaluated by preparing the joints with increasing the cooling time from 10 s to 70 s before pressure created for fusion of the pipes.Here,cold fusion flaws in HDPE butt joint were created with increasing the cooling time around 70#x2009;s caused by the close molecular contact

Microstructure and mechanical properties of electrically

Jul 01,2019·Fig.9 shows the mechanical properties of the BM and the welded joints with different current value.The tensile strength of the BM is 247.9 MPa,the tensile elongation to fracture is 21.7%,and the tensile strength of the FSW joint is 196.6 MPa,79.31% of the BM,the tensile elongation is 5.96%.Microstructure and mechanical properties of electron1 Microstructure and mechanical properties of electron beam welded dissimilar steel to Fe-Al alloy joints Soumitra Kumar Dindaa,Md.Basiruddin Ska,Gour Gopal Roya,Prakash Srirangamb* aDepartment of Metallurgical and Materials Engineering,Indian Institute of Technology,Kharagpur,India.bWarwick Manufacturing Group (WMG),University of Warwick,Coventry,CV4 7AL,UKMicrostructure and mechanical properties of friction stir (2004).Microstructure and mechanical properties of friction stir welded joints of AC4A cast aluminium alloy.Materials Science and Technology Vol.20,No.3,pp.399-402.

Microstructure and mechanical properties of inertia

·The influence of friction-welded parameters on microstructure and mechanical properties was dealt in detail.Six different joints were fabricated by varying rotational speed and friction pressure,by keeping forging pressure and friction time as constant.Microstructure and mechanical properties of resistance The microstructure and mechanical properties of resistance-spot-welded A5052 aluminum alloy and DP 600 dual-phase steel joint were studied.The fusion zone (FZ) and heat-affected zone (HAZ) of DP Microstructure and mechanical properties of water-cooled Microstructure and mechanical properties of water-cooled MIG welded joints of 6N01 aluminium alloy LIANG Zhimin 1,SHI Kangning 1,LI Weipo 1,CAO Yi 1,LU Hao 2 1.School of Material Science and Technology,Hebei University of Science and Technology,Shijiazhuang 050018,China; 2.CRRC Qingdao Sifang Co.,Ltd,Qingdao 266111,China

People also askWhat are the mechanical properties of welded joints?What are the mechanical properties of welded joints?The microstructural features and mechanical properties of the welded joints were examined.The results showed that the tensile strength of welded specimens was greater than that of the base metal.Maximum tensile strength was possessed by the specimen welded using low heat input and vice versaMicro.Effect of heat input on microstructure and mechanical Some results are removed in response to a notice of local law requirement.For more information,please see here.Previous123456NextThe Effect of Aging Time on Mechanical and

The Effect of Aging Time on Mechanical and Microstructure Properties of Aa6061 Joints Welded by Gas Tungsten Arc Welding.JOJ Mater Sci.2018; 4(5) 555646.DOI 10.19080/JOJMS.2018.04.555646.002 Juniper Online Journal Material Science Concluded that increasing Si in 6xxx type alloys increases strength in the T4 and T6 tempers.Another study

The Microstructure and Mechanical Properties of Multi

A multi-strand composite welding wire was applied to join high nitrogen austenitic stainless steel,and microstructures and mechanical properties were investigated.The electrical signals demonstrate that the welding process using a multi-strand composite welding wire is highly stable.The welded joints are composed of columnar austenite and dendritic ferrite and welded joints obtained under

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