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Modeling Thermal Welding Cycles of Medium-Carbon High-Strength Steels for Predicting the Mechanical Properties of Real Welded Joints
The kinetics of austenite decay and the modeling of thermal welding cycles on the installation of high-frequency currents of various sections of the...
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Evaluation of Sensitization Behaviors on the Heat-Affected Zone of Austenitic Stainless Steel Weld by Thermal Cycles of Actual Multi-pass Welding
The sensitization behavior of the welding heat affected zone (HAZ) in austenitic stainless steels (SSs) was investigated through simulated thermal...
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Microstructure evolution of weld root in dissimilar weld metal in S690QL high-strength steel under multiple welding thermal cycles
For the welded joints of S690QL high-strength steel, determining the local brittle zone (LBZ) in dissimilar weld metal, understanding the...
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Influence of welding thermal cycles on properties of TMCP and Q&T steels evaluated by thermo-physical simulation
The welding process represents an unintentional, but unavoidable, heat treatment in the form of soft annealing or tempering, but also hardening...
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Softening, Hardening, and Precipitation Evolution of the AA6082-T651 Heat-Affected Zone Caused by Thermal Cycles During and After Welding
In this study, gas tungsten arc welding (GTAW) was used to weld AA6082-T651 plates using ER5335 and ER4340 filler metals. Significant softening of...
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Multiscale Modeling in Arc Welding Using Secondary Thermal Cycle
Arc welding involves thermal cycles that lead to phase transformations as well as residual stresses. Alloys that are designed to have specific...
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Study of Impact Toughness of Pipe Steel after Simulation of Thermal Cycles of Welding and Welded Joints of Large Diameter Pipes
AbstractThe impact strength of various zones of welded joints of pipes of large diameter and specimens after simulation of thermal cycles of welding...
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Investigation of Low-Carbon Pipeline Steel Weldability by Welding Thermal Cycle Simulation
Results are presented for a study of the weldability of a wide range of pipeline steels by a method of simulating welding thermal cycles. It is shown...
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Influences of the process parameter and thermal cycles on the quality of 308L stainless steel walls produced by additive manufacturing utilizing an arc welding source
In this paper, the effects of the deposition speed and thermal cycles in gas-metal arc-welding (GMAW) additive manufacturing on the quality of...
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In Situ Observation of Microstructure Transformation in Q1100 High-Strength Steel during Welding Thermal Simulation
The welding thermal simulation experiment of Q1100 low alloy high-strength steel was conducted using high-temperature laser scanning confocal...
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Effects of Ultrasonic Vibration on Material Flow and Thermal Cycles in Friction Stir Welding of Dissimilar Al/Mg Alloys
Comparative experiments are performed in friction stir welding (FSW) of dissimilar Al/Mg alloys with and without assistance of ultrasonic vibration....
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Laser Transmission Welding of Polypropylene: Insights into Parameter Interplay, Thermal Analysis, Bonding Quality, Fracture Characteristics, and Weld Morphology
Laser transmission welding (LTW), a versatile polymer joining process utilizing laser energy, and its application to polypropylene, a widely used...
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Impact of Overlay Welding Repair on Bulges during Normal and Short Cycles in Coke Drums
With no doubts, bulging in delayed coke drums is one of the most common thermo-mechanical damage to that component linked to their design,...
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Effect the Thermal Cycle of Welding and Thermal Cycling Treatment on the Properties and Fracture of 08Kh18G8N2T Steel
AbstractThe impact toughness and phase-structural transformations in 08Kh18G8N2T steel are studied after a thermal action, which simulates the...
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Hyperelastic Graphene Aerogels Reinforced by In-suit Welding Polyimide Nano Fiber with Leaf Skeleton Structure and Adjustable Thermal Conductivity for Morphology and Temperature Sensing
Graphene-aerogel-based flexible sensors have heat tolerances and electric-resistance sensitivities superior to those of polymer-based sensors....
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Study on the Influence of Repair Welding Process on the Microstructure and Mechanical Properties About 30CrMnSiNi2A High-Strength Steel Weld Joints
The evolution of microstructure and mechanical properties of welded joints under the action of multiple thermal cycles is discussed. The results of...
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Comparative analysis between multi-pulse and constant welding current for resistance spot welding process
In this work, a new welding current mode, which was three-pulse and step increment welding current, was introduced to improve the mechanical...
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Welding and Joining
As mentioned in Chap. 2 , the Project has been conducting materials development of ultra-high strength...
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Effect of Conventional and Pulsed TIG Welding on Microstructural and Mechanical Characteristics of AA 6082-T6 Repair Welds
Repair welding of AA 6082-T6 joints was carried out using ER 4043 filler through the TIG welding process with or without pulsed current....
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Monte Carlo simulation of grain growth in heat-affected zone during welding process of cast steel joint and optimization of welding process
The final microstructure and mechanical properties of a welded joint are determined by the evolution and crystallization process of grain structure...
