Results 31 to 40 of about 154,848 (294)
Effect of laser-welding parameters on the heat input and weld-bead profile [PDF]
, 2005 Laser butt-welding of medium carbon steel was investigated using CW 1.5 kW CO2 laser. The effect of laser power (1.2 - 1.43 kW), welding speed (30 - 70 cm/min) and focal point position (-2.5 - 0 mm) on the heat input and the weld-bead geometry (i.e ...
A.G. Olabi +13 more
core +1 more source
Picosecond laser welding of similar and dissimilar materials [PDF]
, 2014 We report picosecond laser welding of similar and dissimilar materials based on plasma formation induced by a tightly focused beam from a 1030 nm, 10 ps, 400 kHz laser system.
Carter, Richard M. +4 more
core +1 more source
Comparison between friction stir and submerged arc welding applied to joining DH36 and E36 shipbuilding steel [PDF]
, 2013 With the impending development of FSW tools for steel with useful lifetimes, attention has turned to the mechanical properties of the welds that can be made in a range of industrially significant steels.
Cater, Stephen R. +3 more
core +1 more source
Narrow Gap Welding of X80 Steel Using Laser-CMT Hybrid Welding with Misaligned Laser and Arc
Crystals, 2022 The feasibility of using laser-cold metal transfer (CMT) misaligned hybrid welding to join an X80 line-pipe steel in a narrow gap configuration was investigated.
Bofang Zheng +8 more
doaj +1 more source
High-resolution 3D weld toe stress analysis and ACPD method for weld toe fatigue crack initiation [PDF]
, 2019 Weld toe fatigue crack initiation is highly dependent on the local weld toe stress-concentrating geometry including any inherent flaws. These flaws are responsible for premature fatigue crack initiation (FCI) and must be minimised to maximise the fatigue
Chaudhuri, Somsubhro +3 more
core +2 more sources
Archives of Metallurgy and Materials, 2015 Autogenous laser welding of 5.0 mm thick butt joints of thermomechanically rolled steel S700MC was investigated. The Yb:YAG disk laser TruDisk 3302 emitted at 1.03 μm was used for the trials of autogenous welding.
Lisiecki A.
doaj +1 more source
Metals, 2020 The International Maritime Organization (IMO) is tightening regulations to reduce greenhouse gas emissions from ship operations. As a result, the number of vessels using liquefied natural gas (LNG) as fuel has increased rapidly. At this time, ASTM A553-1
Jaewoong Kim, Jisun Kim
doaj +1 more source
Expanded microchannel heat exchanger: design, fabrication and preliminary experimental test [PDF]
, 2012 This paper first reviews non-traditional heat exchanger geometry, laser welding, practical issues with microchannel heat exchangers, and high effectiveness heat exchangers.
Brandemuehl, Michael J. +3 more
core +5 more sources
Analysis of the Machining Process of Titanium Ti6Al-4V Parts Manufactured by Wire Arc Additive Manufacturing (WAAM) [PDF]
, 2020 In the current days, the new range of machine tools allows the production of titanium alloy parts for the aeronautical sector through additive technologies.
Alonso, Unai +3 more
core +2 more sources
Journal of Materials Research and Technology, 2023 By introducing the low current pulsed gas metal arc (GMA), the bridging ability of the laser beam welding (LBW) can be effectively improved. However, the impact mechanism of the additive GMA is hard to investigate by experimental methods.
Xiangchen Fan +3 more
doaj +1 more source