Classification of weld defects based on the analytical hierarchy process and Dempster–Shafer evidence theory
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Intelligent Manufacturing"
DOI: 10.1007/s10845-017-1369-4
Abstract: Weld quality management is currently one of the most concerning issues in the manufacturing industry. In this paper, a novel method is proposed for weld defect classification based on the analytical hierarchy process (AHP) and… read more here.
Keywords: dempster; classification; evidence theory; weld ... See more keywords
Al–Steel Joining by CMT Weld Brazing: Effect of Filler Wire Composition and Pulsing on the Interface and Mechanical Properties
Sign Up to like & getrecommendations! Published in 2019 at "Transactions of the Indian Institute of Metals"
DOI: 10.1007/s12666-019-01753-6
Abstract: Cold metal transfer welding, a low-heat input process, was employed to weld-braze 6061-T6 aluminium alloy to galvanized interstitial free steel using Al–Si-based (4043 and 4047) filler wires in lap fillet configuration. The effects of current… read more here.
Keywords: joints made; 4047 filler; weld; composition ... See more keywords
Fracture analysis of load-carrying cruciform fillet welded joints with multiple cracks
Sign Up to like & getrecommendations! Published in 2018 at "Engineering Fracture Mechanics"
DOI: 10.1016/j.engfracmech.2018.02.027
Abstract: Abstract Load-carrying cruciform fillet welded joints configuration is frequently encountered in many welded structures. Different from non-load-carrying joints, the crack in load-carrying joints can propagate from the weld root or from the weld toe. Hence,… read more here.
Keywords: load carrying; cruciform fillet; weld; carrying cruciform ... See more keywords
Effect of nitrogen content on the microstructure and properties of the laser-arc hybrid welding joint of high nitrogen steel
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DOI: 10.1016/j.ijleo.2021.167478
Abstract: Abstract This paper deals with laser-arc hybrid welding of high nitrogen steel with 1.2 mm diameter filler wire. The effect of nitrogen content in the weld on the microstructure and properties was analyzed. Results show that… read more here.
Keywords: nitrogen content; laser arc; nitrogen; effect ... See more keywords
The effect of Ar and He shielding gas on fibre laser weld shape and microstructure in AA 2024-T3
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Manufacturing Processes"
DOI: 10.1016/j.jmapro.2017.07.011
Abstract: Abstract The effect of using argon and helium shielding gas on weld quality, defect formation and microstructure of laser welded aluminium alloy 2024-T3 was investigated. Full penetration autogenous welds were made at a constant laser… read more here.
Keywords: laser; fibre laser; effect; shielding gas ... See more keywords
Interfacial microstructure and reaction mechanism with various weld fillers on laser welding-brazing of Al/Cu lap joint
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Manufacturing Processes"
DOI: 10.1016/j.jmapro.2021.04.065
Abstract: Abstract The influence of pure Al, Al-Si and Zn-Al weld fillers on microstructure and mechanical properties was investigated during lap laser welding-brazing of Al to Cu. Al4.2Cu3.2Zn0.7 IMC layer and plate-like Al2Cu phase were observed… read more here.
Keywords: weld filler; pure weld; weld fillers; welding brazing ... See more keywords
Weld zone and residual stress development in AA7050 stationary shoulder friction stir T-joint weld
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Materials Processing Technology"
DOI: 10.1016/j.jmatprotec.2018.08.022
Abstract: Abstract This paper shows the potential of stationary shoulder friction stir welding (SSFSW) for producing higher quality T- section joints relative to a conventional friction stir welding (FSW) approach. The residual stress distributions and their… read more here.
Keywords: residual stress; pass; friction stir; weld ... See more keywords
Microstructures of longitudinal/transverse welds and back-end defects and their influences on the corrosion resistance and mechanical properties of aluminum alloy extrusion profiles
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Materials Processing Technology"
DOI: 10.1016/j.jmatprotec.2018.12.006
Abstract: Abstract Aluminum alloy profiles manufactured by semi-continuous porthole die extrusion have three kinds of intrinsic features: longitudinal welds, transverse welds and back-end defects, which affect the corrosion resistance and mechanical properties of the profiles. In… read more here.
Keywords: transverse welds; transverse; corrosion resistance; resistance mechanical ... See more keywords
Effect of post-weld heat treatment (PWHT) on microstructure and corrosion behavior in ENiCrFe-7 weld overlay cladding materials
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Nuclear Materials"
DOI: 10.1016/j.jnucmat.2021.153350
Abstract: Abstract Effect of post-weld heat treatment(as-weld, 615℃/16h and 615℃/48h) on microstructure and corrosion behavior in ENiCrFe-7 weld overlay cladding materials had been investigated, the results showed that the heat treatment had an obvious influence on… read more here.
Keywords: heat treatment; weld; corrosion; microstructure ... See more keywords
The normal and shear strength properties of laser lap weld
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DOI: 10.1016/j.promfg.2019.08.029
Abstract: Abstract The study was aimed to clarify the shear strength and the normal strength properties of the lap joint. The welds were characterized with respect to hardness, tensile and fatigue properties. The test materials of… read more here.
Keywords: strength; strength properties; shear strength; base material ... See more keywords
Weld formation during material extrusion additive manufacturing.
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DOI: 10.1039/c7sm00950j
Abstract: Material extrusion (ME) is a layer-by-layer additive manufacturing process that is now used in personal and commercial production where prototyping and customization are required. However, parts produced from ME frequently exhibit poor mechanical performance relative… read more here.
Keywords: layer; weld; additive manufacturing; material extrusion ... See more keywords