Effect of heat input on weld microstructure and toughness of laser-arc hybrid welding of martensitic stainless steel
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DOI: 10.1016/j.jmatprotec.2017.02.007
Abstract: Abstract Laser-arc hybrid welding of AISI 420 martensitic stainless steel (MSS) was carried out, and the microstructure-toughness relationship was discussed and established. The coarse-grained heat affected zone (CGHAZ) is the weakest area of the weld.… read more here.
Keywords: laser arc; arc hybrid; microstructure toughness; heat ... See more keywords
Cold-rolling performance of non-equilibrium martensitic stainless steel produced by laser-arc hybrid welding
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DOI: 10.1016/j.jmatprotec.2018.12.030
Abstract: Abstract The cold rolling with the reduction up to 75% of martensitic stainless steel (MSS) weld was achieved on the basis of the sound laser-arc hybrid weld. The evolutions in the microstructure and crystallographic characteristics… read more here.
Keywords: cold rolling; stainless steel; arc hybrid; non equilibrium ... See more keywords
Structure-property evaluation of single pass Laser-arc hybrid welding of re-sulphurized martensitic stainless steel
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DOI: 10.1016/j.jmatprotec.2019.04.016
Abstract: Abstract Hot cracking free fusion welds of re-sulphurized, high machinable grade stainless steel AISI 416 were obtained while adopting Laser-arc Hybrid Welding (LAHW) with the use of Ni-Cr-Mo rich austenitic filler metal. The carbon enriched… read more here.
Keywords: stainless steel; laser arc; hybrid welding; arc hybrid ... See more keywords
Microstructure and properties of laser-arc hybrid welding thick bainitic steel joints with different arc position
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DOI: 10.1088/2053-1591/ab1557
Abstract: The realization of 12mm thick laser-arc hybrid welding technology is the prerequisite for efficient production of new high-speed train bogies. In this work, for the laser-leading hybrid welding, the problem of hump defects in the… read more here.
Keywords: bainitic steel; hybrid welding; arc hybrid; laser arc ... See more keywords
Effects of edge oxides from laser cutting in laser-arc hybrid welding
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DOI: 10.2351/1.5009792
Abstract: Laser-arc hybrid welding (LAHW) is a promising technique for joining sheets due to fast processing speeds and small gap bridgeability. Prior to welding, the edges are often prepared using laser cut ... read more here.
Keywords: laser; hybrid welding; laser arc; arc hybrid ... See more keywords