Temperature Field and Analysis of Microstructure and Mechanical Properties of Low Power Laser Annealed Welded Joints Uday Kumar 1,D.K.Gope 1,J.P.Srivastava 2 results for this questionHow is micro alloying used in PM parts?How is micro alloying used in PM parts?PM parts producers continue to explore methods to achieve enhanced mechanical properties while utilizing lower cost alloys or lower amounts of alloying elements.Techniques such as micro-alloying,precipitation-hardening and secondary hardening have been used to accomplish this goal.MICROSTRUCTURE AND MECHANICAL PROPERTIES OF A BAINITIC results for this questionWhat is the effect of welding on microstructures?What is the effect of welding on microstructures?Abstract In this work,the effect of arc welding on microstructures and mechanical properties of industrial low carbon steel (0.19 wt.% C) was studied.This steel is used for making gas storage cylinders.In order to realize the objective,optical microscopy,EBSD,X-ray diffraction,and hardness tests were used.Effect of Welding on Microstructure and Mechanical Properties of an
This could be attributed to structural defects associated with UAM processing.This article discusses the effects of UAM process parameters on the resulting microstructure and mechanical properties.Special attention is given to hardness,shear strength,tensile strength,fatigue,and creep measurements.Author Meng Sun,Dong Li,Yanhua Guo,Ying Wang,Yuecheng Dong,Zhenhua Dan,Hui ChangPublish Year 2020PAPER OPEN ACCESS Effect of nickel additions on The microstructure of low-alloy Cr-Mo cast steel was observed by optical microscope and scanning electron microscope,and the phase compositions were identified by EDX analysis.Tensile,hardness,and Charpy impact tests were conducted to investigate correlation between nickel additions to microstructure characteristics and mechanical properties.
Sep 01,1992·Up until the present day,however,low carbon HSLA and ULCB steels have not been used with a dedicated low carbon weld wire.In the present work an attempt was made to correlate the mechanical properties (tensile strength,yield strength and Charpy impact energy),chemical composition and microstructure of a series of autogenous multirun TIG Author Yue Yue Jiang,Zhao Dong Wang,Xiang Tao Deng,R.D.K.MisraPublish Year 2021MICROSTRUCTURE AND MECHANICAL PROPERTIES OFthis differentiation is that there are clear differences between the mechanical properties of upper and lower bainite.Any refinement of microstructure in low alloy steels normally leads to an increase in the properties,particularly the strength,hence making lower bainite the more attractive microstructure.
Effect of Cr Content on Microstructure and Mechanical Properties of Low Carbon Steel Welds Hee-jin Lee,Hae-woo Lee* Department of Materials Science and Engineering,Dong-A University,840 Hadan-dong,Saha-gu,Busan 604-714,Korea *E-mail [email protected] Received 9 July 2015 / Accepted 10 August 2015 / Published 26 August 2015Cited by 10Publish Year 2019Author A Yu Churyumov,A V Pozdniakov,A S Prosviryakov,I S Loginova,I S Loginova,D K Daubarayte,D K RyEffect of modified heat treatments on the microstructure Jul 19,2013·(2004).Effect of modified heat treatments on the microstructure and mechanical properties of a low alloy high strength steel.Materials ScienceCited by 13Publish Year 2018Author Uday Kumar,D.K.Gope,J.P.Srivastava,Somnath Chattopadhyaya,A.K.Das,Grzegorz KrolczykMicrostructure and Mechanical Properties of Low Alloy This study aims to investigate the influences of rare earth element cerium (Ce) on microstructure and mechanical properties of low alloy ultra-high strength steel.The strength,plasticity,and impact toughness of steels with 0.0367% Ce and without Ce were tested.The influence mechanism of Ce on the microstructure and mechanical properties were investigated by scanning electron microscopy
Dec 01,2019·The novel Al-4.5Mg-0.32Sc-0.66Zr alloy was successfully fabricated by selective laser melting.The minimum porosity of 0.5% was obtained for a laser power of 180 W,a scan speed of 220 mm s 1 and a hatch distance in the range of 0.130.15 mm.The microstructure of the as-fabricated alloy consists of aluminum solid solution grains with a typical bimodal size distribution at about 35 m Cited by 1Publish Year 1967Author K.Relander,T.GeigerEffect of Thermal Cycle on Microstructure Evolution and Nov 04,2019·Low-alloy steel samples were successfully fabricated by selective laser melting (SLM).The evolution of the microstructure and the mechanical properties were investigated with different values of the energy area density (EAD).Cited by 1Publish Year 2019Author Yufei Lu,Jilan Yang,Jun Xu,Zhenghong Guo,Jianfeng GuInvestigation of microstructure and mechanical properties Investigation of microstructure and mechanical properties of titanium alloy sheet using low power Nd-YAG laser welding process S.Chattopadhyaya IntroductionIn recent years,titanium alloys have become one of the most widely used materials in the field of metallurgical research.
Mechanical property variations of blood vessels from different anatomical sites supposedly reflect variations in microstructure,but no explicit association has been afforded so far.The objective of the present study was to provide precise histometrical and mechanical data,allowing the identification of such an association for arteries and veins.Cited by 1Publish Year 2020Author Alireza Fayazi Khanigi,Amirreza Farnia,Mohammad Ardestani,Mohammad Javad TorkamanyMicrostructure and mechanical properties of low power industries.In this research S700MC steel is successfully welded using low power pulsed Nd:YAG laser and the microstructure and mechanical properties are investigated.It is shown that the average power and overlapping factor both affect the weld geometry.Full penetration with double-sided welding achieved on 2 mm thick plates autogenously.Cited by 2Publish Year 1992Author Eugene P.McDonaldEffect of tempering temperature on microstructure and Effect of tempering temperature on microstructure and mechanical properties of low alloy high strength steel of different elements are known the literaturefrom s,the exact required composition is not available for achieving a particular mechanical properties like
The microstructure and mechanical properties of Fe-0.19C-1.46Mn-1.50Si,a low-carbon hot-rolling direct quenching and partitioning steel,were investigated,and particular emphasis was placed on the eects of the rolling temperature and the subsequent cooling method.Cited by 5Publish Year 2013Author Kuk Hyun Song,Won Yong Kim,Kazuhiro NakataInfluence of Microstructure and Heat-Treatment on Impact Emphasis is laid on the effect on microstructure of heat-treatment.The mechanical tests made after various austenitizing treatments,cooling rates,and tempering temperatures revealed that a complex relationship existed between the mechanical properties and microstructure in the steel precipitation hardened by vanadium carbides.Cited by 5Publish Year 2020Author Guanyi Jing,Wenpu Huang,Huihui Yang,Zemin WangEvolution of microstructure and mechanical properties of Evolution of microstructure and mechanical properties of Cu/SAC305/Cu solder joints under the influence of low ultrasonic power.Abstract Cu/SAC305/Cu solder joints were fabricated by a modified ultrasonic-assisted reflow soldering technique under ambient atmosphere.Ultrasonic vibration (USV) with low ultrasonic power ranging from 10 to 30 W was used while the evolution of microstructure and
Investigation of microstructure and mechanical properties of titanium alloy sheet using low power Nd-YAG laser welding process By U.Kumar,D.Gope,R.Kumar,S.Chattopadhyaya,A.Das,Alokesh Pramanik and G.KrolczykEffect of Annealing on Microstructure and Mechanical AbstractIntroductionExperimental DetailsResults and DiscussionConclusionsAcknowledgmentsCu thin films were deposited on Si substrates using direct current (DC) magnetron sputtering.Microstructure evolution and mechanical properties of Cu thin films with different annealing temperatures were investigated by atomic force microscopy (AFM),X-ray diffraction (XRD),and nanoindentation.The surface morphology,roughness,and grain size of the Cu films were characterized by AFM.The minimization of energy including surface energy,interface energy,and strain energy (elastic strain enerSee more on hindawiCited by 26Publish Year 2015Author Shiwen Du,Yongtang LiInvestigation of Microstructure and MechanicalInvestigation of Microstructure and Mechanical Properties on Surface-Modied Inconel 718 Alloy Kuk Hyun Song1,+,Won Yong Kim1 and Kazuhiro Nakata2 1Korea Institute of Industrial Technology,106-11 Daejeon-Dong,Gangneung-si,Gangwon-do 210-340,Republic of Korea 2Joining and Welding Research Institute,Osaka University,Ibaraki 567-0047,Japan This study was carried out to evaluate the Effect of Welding on Microstructure and Mechanical Abstract.In this work,the effect of arc welding on microstructures and mechanical properties of industrial low carbon steel (0.19 wt.% C) was studied.This steel is used for making gas storage cylinders.In order to realize the objective,optical microscopy,EBSD,X
In this present work,laser welding experiments were carried out on 1 mm thin Ti6Al4V sheets using a low power Nd-YAG laser machine without using any filler wire and without edge preparation of welding specimens.The influence of different major process control parameters such as welding speed and power on the yield parameters like temperature field,weld bead geometry,microstructure,and Materials Free Full-Text Experimental and Numerical In this present work,laser welding experiments were carried out on 1 mm thin Ti6Al4V sheets using a low power Nd-YAG laser machine without using any filler wire and without edge preparation of welding specimens.The influence of different major process control parameters such as welding speed and power on the yield parameters like temperature field,weld bead geometry,microstructure,and mechanical propertiesMicrostructural evolution and mechanical properties of Herein,low and high power selective laser melting (SLM) of 300M steel and their microstructural evolution and mechanical properties have been reported.The results show that the optimal energy density range with the highest relative density for SLMed 300M steel is between 60 and 160 J/mm 3.Furthermore,molten pools for deposition exhibit a conduction mode with semi-elliptical shape at a
Jul 01,2020·Herein,low and high power selective laser melting (SLM) of 300M steel and their microstructural evolution and mechanical properties have been reported.The results show that the optimal energy density range with the highest relative density for SLMed 300M steel is between 60 and 160 J/mm 3.Furthermore,molten pools for deposition exhibit a conduction mode with semi-ellipticalMicrostructure and mechanical properties of 9% nickel Nov 08,2020·Avoiding the use of nickel alloy as wire filler material in fusion welding of 9% Ni steels requires highpower density welding processes such as laser and electron beam.However,autogenous welding with these processes reduces the Charpy energy absorbed due to the chemical microsegregation and the precipitation of low-toughness phases.The friction stir welding (FSW),a solid-state welding Microstructure and mechanical properties of a novel Dec 04,2019·Microstructure and mechanical properties of a novel selective laser melted AlMg alloy with low Sc content A Yu Churyumov 1 ,A V Pozdniakov 1 ,A S Prosviryakov 1 ,I S Loginova 1,2 ,D K Daubarayte 3 ,D K Ryabov 4 ,V A Korolev 3 ,A N Solonin 1 ,M D Pavlov 1 and S V Valchuk 5
Feb 19,2020·Thermomechanically controlled processed steels have gained attention increasingly by many industries.In this research S700MC steel is successfully welded using low power pulsed Nd:YAG laser and the microstructure and mechanical properties are investigated.It is shown that the average power and overlapping factor both affect the weld geometry.Microstructure,Mechanical Properties and Welding ofMicrostructure,Mechanical Properties and basic microstructural and mechanical properties of sheet metal of two heats of low- were laser-welded using various laser power settings,with and N.Sivanandham A.Rajadurai S.M.ShariffMicrostructure,mechanical properties and corrosion resistance 119 Abstract The efficacy of laser surface modification of EN353 low carbon low alloy steel is studied and discussed.The high power diode laser (HPDL) treated layers were characterised by means of high resolution scanning electron microscopy (HRSEM),and X-ray diffractometer (XRD).
process of production and use.The coarse microstructure due to the low cooling rate and metallurgy defects lower the mechanical properties of the parts.In addition,the traditional process,from the casting ingot to the machine forming,to the final parts,requires a lot of process to complete with a low utilization of raw materials.The Effect of Heat Treatment on the Microstructure and In order to reduce the cost of titanium alloys,a novel low-cost Ti-3Al-5Mo-4Cr-2Zr-1Fe (Ti-35421) titanium alloy was developed.The influence of heat treatment on the microstructure characteristics and mechanical properties of the new alloy was investigated.The results showed that the microstructu
Feb 05,2012·Highlights We study microstructure and mechanical properties of IN718 by selective laser melting.The micro-hardness for all samples shows directional independent.The tensile properties of SLM + HTed IN718 are comparative with those of wrought IN718.Mechanical properties depend on metallurgical quality,grain size and heat treatment.