Butt Laser Welding–Brazing of AZ31 Mg to Nickel-Coated Ti-6Al-4V
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Materials Engineering and Performance"
DOI: 10.1007/s11665-019-04161-5
Abstract: Mg and Ti alloy are hard to be bonded due to their huge discrepancy in physical and metallurgical characteristics. As an intermediate element, Ni is feasible for joining of Mg and Ti. The interfacial microstructure… read more here.
Keywords: interfacial layer; coating thickness; butt laser; layer ... See more keywords
Microstructural analyses of aluminum-magnesium-silicon alloys welded by pulsed Nd: YAG laser welding
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Minerals, Metallurgy and Materials"
DOI: 10.1007/s12613-020-2027-y
Abstract: Revealing grains and very fine dendrites in a solidified weld metal of aluminum-magnesium-silicon alloys is difficult and thus, there is no evidence to validate the micro- and meso-scale physical models for hot cracks. In this… read more here.
Keywords: hot cracks; metal; silicon alloys; aluminum magnesium ... See more keywords
Numerical study of thermal fluid dynamics in laser welding of Al alloy with powder feeding
Sign Up to like & getrecommendations! Published in 2019 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2019.02.040
Abstract: Abstract A numerical modeling approach is proposed for the process of powder feeding-based laser welding occurring in joining similar and dissimilar materials. For this reason, a three-dimensional computational model is developed to describe the complex… read more here.
Keywords: thermal fluid; powder feeding; powder; fluid dynamics ... See more keywords
The effect of pulsed laser welding on hot cracking susceptible region size and weld pool internal geometry of Inconel 718: Numerical and experimental approaches
Sign Up to like & getrecommendations! Published in 2021 at "CIRP Journal of Manufacturing Science and Technology"
DOI: 10.1016/j.cirpj.2021.09.001
Abstract: Abstract A 3D finite-element thermal model has been developed to estimate weld geometry and analyze thermal gradients and cooling rates in pulsed laser welding of Inconel 718 superalloy. Since Inconel 718 superalloy is sensitive to… read more here.
Keywords: inconel 718; hot cracking; geometry; laser welding ... See more keywords
Investigation on the microstructure and mechanical properties of autogenous laser welding joint of ITER BTCC case lid
Sign Up to like & getrecommendations! Published in 2020 at "Fusion Engineering and Design"
DOI: 10.1016/j.fusengdes.2020.111607
Abstract: Abstract The 316LN stainless steel with a thickness of 21 mm was welded by autogenous laser welding from both sides with an YLS-20000 fiber laser welding system. The microstructure of the welding joint was characterized… read more here.
Keywords: autogenous laser; laser welding; investigation microstructure; welding joint ... See more keywords
Effect of laser welding on microstructure and mechanical behaviour of dual phase 600 steel sheets
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DOI: 10.1016/j.heliyon.2021.e08601
Abstract: Dual Phase steels are one of the most used advanced high-strength materials in the industry, due to its combination of a ductile ferritic matrix and disperse hard martensite islands, which provide outstanding mechanical properties for… read more here.
Keywords: dual phase; steel sheets; phase; laser welding ... See more keywords
Numerical simulation and optimization in pulsed Nd: YAG laser welding of Hastelloy C-276 through Taguchi method and artificial neural network
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DOI: 10.1016/j.ijleo.2017.08.082
Abstract: Abstract The effect of process parameters viz., welding speed, pulse energy and frequency on the aspect ratio and the peak temperature in the numerical simulation of Nd: YAG laser welding of Hastelloy C-276 is presented.… read more here.
Keywords: welding hastelloy; numerical simulation; simulation; laser welding ... See more keywords
Laser welding of electron beam melted Ti-6Al-4V to wrought Ti-6Al-4V: Effect of welding angle on microstructure and mechanical properties
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2018.12.268
Abstract: Abstract Electron beam melting (EBM) is an established powder-bed additive manufacturing process for small-to-medium-sized components of Ti-6Al-4V. For further employing EBM on fabricating large-scale components, an effort has been made by joining EBM-built Ti-6Al-4V plates… read more here.
Keywords: effect welding; welding angle; electron beam; microstructure ... See more keywords
Comparative study on the joining performance of TiH2 and ZrH2 modified AgCu28 brazing alloys with pulsed laser welding-brazing
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Manufacturing Processes"
DOI: 10.1016/j.jmapro.2019.03.026
Abstract: Abstract Brazed alloys between cubic boron nitride (cBN) grits and matrix extremely affect the service life of the grinding wheel. The aim of this study was to investigate the addition of elemental Zr to improve… read more here.
Keywords: brazing alloys; study; pulsed laser; welding brazing ... See more keywords
Thermo-electromagnetic effect on weld microstructure in magnetically assisted laser welding of austenite steel
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DOI: 10.1016/j.jmapro.2019.03.033
Abstract: Abstract Large microstructure gradients in high-power-density welding usually have negative effects on the mechanical properties of weld joints. In this paper, we found that the width of the weld microstructure in transition region was widened… read more here.
Keywords: weld microstructure; thermo electromagnetic; microstructure; temf ... See more keywords
Effect of energy parameters of pulsed laser welding of Zr-1%Nb alloy on metal contamination with gases and properties of welds
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Manufacturing Processes"
DOI: 10.1016/j.jmapro.2019.06.025
Abstract: Abstract Effect of pulsed laser welding parameters (pulse energy and duration, frequency, welding speed and, as a result, overlapping factor) on properties of E110 (Zr-1%Nb) alloy welds is presented. Butt welded joints of two identical… read more here.
Keywords: metal; hydrogen; weld metal; metal contamination ... See more keywords