Results 31 to 40 of about 3,844 (153)

Laser Welding of New Grade of Advanced High Strength Steel STRENX 1100 MC

Archives of Metallurgy and Materials, 2017
The article presents results of investigations on autogenous laser welding of new grade STRENX 1100 MC steel. The modern Disk laser was applied for of 5.0 mm thick butt joints welding. The influence of laser welding parameters, mainly the energy input of
Kurc-Lisiecka A., Piwnik J., Lisiecki A.
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A Study on Cross-Shaped Structure of Invar Material Using Cold Wire Laser Fillet Welding (PART I: Feasibility Study for Weldability)

Metals, 2020
With the need for eco-friendly energy increasing rapidly due to global environmental issues, there is a rapidly increasing demand for liquefied natural gas (LNG). LNG is liquefied at minus 163 degrees Celsius, and its volume decreases to 1/600, giving it
Du-Song Kim, Changmin Pyo, Jaewoong Kim, Jisun Kim, Hee-Keun Lee   +4 more
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Analysis of the Strength and toughness of welded joints in ultra high strength steel with a step-cooling laser welding

Hanjie xuebao
To address the strength-toughness mismatch in ultra-high strength steel welded joints, a step-cooling process inspired by the Quenching and Partitioning (Q&P) principle was proposed and its impact on the mechanical properties of welded joints was ...
Zhiyong ZHANG, Ruoyu LI, Xuanming GUO, Ruxing SHI, Xingsheng YU, Jijin XU, Zhimin LI   +6 more
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Numerical and experimental investigation on microstructure and residual stress of multi-pass hybrid laser-arc welded 316L steel

Materials & Design, 2019
In multi-layer welding, the interaction between the weld beads had a great impact on the performance of the overall joint. Therefore, experimental research and thermal-plastic analysis of 316L stainless steel multi-layer hybrid laser-arc welding were ...
Lin Chen, Gaoyang Mi, Xiong Zhang, Chunming Wang   +3 more
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Research on fiber laser welding formation, microstructure, and mechanical properties of 7.5 mm 304 stainless steel

Journal of Materials Research and Technology, 2023
304 austenitic stainless steel with a thickness of 7.5 mm was welded by high-power fiber laser welding. The effects of main welding parameters, including laser power, welding speed, and defocusing amount, on weld formation were studied in detail.
Peikang Tao, Xiong Zhang, Gaoyang Mi, Chunming Wang   +3 more
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Variety of microstructure and mechanical properties along the laser impact welded interface

Science and Technology of Welding and Joining, 2023
Laser impact welding (LIW) is an attractive technique for thin film dissimilar materials solid-state welding. To understand the mechanism of laser impact welding, the wave character of wavy interfaces, the morphology of intermetallics, the diffusion phenomenon and the hardness along the welding direction were investigated with Scanning Electron ...
Qihan Wang, Kangnian Wang, Huimin Wang, Wenyue Zheng   +3 more
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A critical review of microstructure and mechanical properties of laser welded similar and dissimilar titanium alloy joints

Journal of Advanced Joining Processes
Recently, the automotive and aerospace industries have witnessed increased usage of titanium alloys. Nevertheless, the fabrication of titanium parts using conventional fabrication techniques is challenging owing to their low thermal conductivity, high ...
Azeez Lawan Rominiyi, Peter Madindwa Mashinini   +1 more
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Interface Formation and Bonding Mechanisms of Laser Welding of PMMA Plastic and 304 Austenitic Stainless Steel

Metals, 2021
Laser welding experiments involving amorphous thermoplastic polymer (PMMA) and 304 austenitic stainless steel plates were conducted to explore the influence of laser welding process parameters on plastic–metal joints.
Yijie Huang, Xiangdong Gao, Bo Ma, Yanxi Zhang   +3 more
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Eulerian Modeling of Plasma-Pressure Driven Laser Impact Weld Processes

Procedia Manufacturing, 2020
Abstract In this study, details of the rapidly evolving state of a laser impact welding (LIW) process are simulated by incorporating a hydrodynamic plasma pressure model into a high-fidelity thermomechanical Eulerian numerical approach. Detailed evolution of the localized velocities, shear stresses, plastic strains, and temperature state in the ...
Glenn Gleason, Sumair Sunny, Sepehr Sadeh, Haoliang Yu, Arif Malik   +4 more
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Numerical Investigation of the Influence of Welding Parameters on Quality of Laser Welded 304L Stainless Steel Sheets

Engineering Reports
304L Austenitic stainless steel (ASS) is preferred for various industrial applications, including gas, petroleum, petrochemicals, fertilizers, and food processing, due to its inherent corrosion resistance.
Nuepaul D. Kortu, Bruno Roberts, Rehema Ndeda, Abdel‐Monem El‐Batahgy   +3 more
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