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Numerical analysis of static and dynamic heat source model approaches in laser micro spot welding
In this work, a transient three-dimensional finite element model (FEM) of the laser micro spot welding (LMSW) process was established considering...
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Research on heat and mass transfer in the molten pool of laser cladding
In order to study the evolution laws of the temperature field, flow field, and macroscopic morphology of the molten pool during laser cladding...
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Heat Treatment of A20X Alloy Manufactured Using Laser Powder Bed Fusion
The A20X alloyAlloys, a metal matrix compositeMetal matrix composites (MMC) designed for laser powder bed fusionLaser powder bed fusion (LPBF),...
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Model heat source using actual distribution of laser power density for simulation of laser processing
The model of heat source (MHS) which reflects the thermal interaction between materials and laser during processing determines the accuracy of...
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Support-free laser-based powder bed fusion of metals using pulsed exposure strategies
Several studies demonstrate the potential of pulsed exposure strategies for improving spatial accuracy, surface quality, and manufacturability of...
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Effect of stress relief and solubilization heat treatments on laser additive manufactured Inconel 625: microstructure and properties
This work assesses the effect of the energy input and the stress relief and solubilization heat treatment on the microstructure and mechanical...
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A Study on the Laser Bending of AISI303 Stainless Steel Sheets under Active Heat Control Temperature
In this paper, a novel approach called active heat control (AHC) is proposed to determine effective parameters in the laser bending process on...
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Additive Manufacturing of a Laser Heat Sink: Multiphysical Simulation for Thermal Material Requirement Derivation
Heat dissipation inside diode-pumped Nd:YVO4 laser crystals requires an efficient cooling concept to reduce heat-induced stress and thus to avoid the...
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Optimization and characterization of T-joint laser welds for aluminum fin heat sink with copper base
Heat sink assemblies consisting of an A6061-T6 aluminum alloy fin and a C1100 copper base are prepared by T-joint welding using a near...
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Modeling of heat transfer, fluid flow, and weld pool dynamics during keyhole laser welding of 316 LN stainless steel using hybrid conical-cylindrical heat source
This study ascertains a three-dimensional (3D) numerical modeling employing hybrid conical-cylindrical heat source concerning the heat transfer,...
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Effect of laser power on microstructure and mechanical properties of laser heat conduction lap welded joint between AZ31B magnesium alloy and DP780 galvanized steel
In this work, laser heat conduction lap welding (LHCLW) of AZ31B magnesium alloy sheet and DP780 galvanized steel sheet was carried out by the...
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The contribution of 515-nm green laser L-PBF to the thermal performance of lattice-based heat exchangers for hydrogen storage applications
This paper presents a study on the thermal and electrical performance of lattice structures designed for a heat exchanger, where the geometry is...
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Influence of heat source arrangement on coupling characteristics of low-power pulsed laser-MAG hybrid welding
Low-power pulsed laser-MAG hybrid welding was carried out by different heat source arrangement methods (lead mode, distance between laser spot and...
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Effect of heat treatment on microstructure and mechanical properties of selective laser-melted PH13-8Mo stainless steel
PH13-8Mo stainless steel powder with high sphericity and well fluidity was prepared by the plasma rotating electrode process. The formed parts with...
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Investigation on formability and mechanism in laser shock hydraulic warm free-bulging of AZ31B magnesium alloy foils
This paper proposes a novel dynamic impulse forming technology, that is, laser shock hydraulic warm free-bulging. This technology is especially...
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Effect of heat treatment on the impact toughness and thermal properties of the AlSi10Mg alloy manufactured by laser powder bed fusion
The objective of this work was to investigate the impact toughness and thermal properties of laser powder bed fusion AlSi10Mg alloy under the...
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Effect of heat treatments on microstructure and mechanical properties of AlSi10Mg alloys fabricated by laser powder bed fusion
This study investigated the microstructures and tensile properties of as-build and heat-treated (including T6, T2, and T6-T2 treatments) AlSi10Mg...
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Optimization of laser-cladded SS316L/IN625 functionally graded material deposited on a copper substrate for boiler pipe heat exchanger applications
Laser cladding is a surface modification method that can be employed in components under severe operating conditions, such as boiler heat exchangers,...
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Effect of distance between heat sources on droplet transfer behavior and weld formation of AH36 during laser and CWW GMAW arc hybrid welding
In order to analyze the influence of the distance between heat sources ( D LA ) on the welding process, the effects of D LA on the droplet transfer...
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Effect of post-heat treatment on microstructure and tribological performance of AISI 410L coatings processed by laser-directed energy deposition (L-DED)
The present work aimed to assess the effect of post-heat treatment on microstructure and tribological performance of AISI 410 clads processed by...
