Results 61 to 70 of about 14,417 (298)
Materials, 2021 This article deals with the dissimilar joining of two different grade Cr-Mo steel (2.25Cr-1Mo: P22 and modified 9Cr-1Mo: P91) for power plant application.
A. Sauraw +7 more
semanticscholar +1 more source
Engineering Reports, Volume 7, Issue 6, June 2025.This study investigates the influence of laser power and welding speed on the quality of 304L stainless steel laser welds using numerical and experimental approaches. Results indicate that optimal parameters (4 kW, 3 m/min) enhance penetration while minimizing the heat‐affected zone, providing insights for industrial laser welding optimization ...
Nuepaul D. Kortu +3 more
wiley +1 more source
Internal wire guide for GTAW welding [PDF]
, 1989 A welding torch for gas tungsten arc welding apparatus has a filler metal wire guide positioned within the torch, and within the shielding gas nozzle. The wire guide is adjacent to the tungsten electrode and has a ceramic liner through which the wire is ...
Dyer, Gerald E., Morgan, Gene E.
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Journal of Engineering, Volume 2025, Issue 1, 2025.This study explores the microstructural evolution and mechanical enhancement of SCM440 low alloy steel through gas tungsten arc welding multilayer cladding with aluminum filler material. The primary focus is on improving the surface properties, particularly hardness and wear resistance, by forming Fe‐Al intermetallic compounds.
Paisan Thongsong +2 more
wiley +1 more source
Comprehensive Analysis of Heat Input and Filler Metal Effects on Microstructure and Mechanical Properties in Gas Tungsten Arc Welding of Cobalt-Based FSX-414 Superalloy [PDF]
Journal of Advanced Materials in EngineeringIntroduction and Objective: The cobalt-based superalloy FSX-414, owing to its excellent resistance to high-temperature oxidation and hot corrosion, is widely used in the fabrication of first-row stationary vanes in Frame-9 industrial gas turbines. During
Mohammad Reza Sheikhmohseni +3 more
doaj +1 more source
A comparative study on the microstructure and mechanical properties of fusion welded 9 Cr-1 Mo steel
Journal of Materials Research and Technology, 2020 Modified 9 Cr–1 Mo is an ideal candidate preferred for high temperature applications in power plants. In this study, three P91 welds of 12 mm thickness are produced using Gas Tungsten Arc Welding (GTAW), Cold Metal Transfer (CMT) and Pulsed-CMT (P-CMT ...
S. Madhavan, M. Kamaraj, B. Arivazhagan
doaj +1 more source
Metals, 2022 In this work, an Inconel 625 thin-wall structure was fabricated by the gas tungsten arc welding (GTAW) hot-wire arc additive manufacturing process.
Xiaoli Wang +6 more
semanticscholar +1 more source
Advanced Engineering Materials, Volume 26, Issue 23, December 2024.The present work reveals novel results on the mircrostructure evolution and in particular the structural integrity of gas tungsten arc‐welded joints of directed energy deposition arc and as‐rolled standard duplex stainless steels compared to counterparts of the nonwelded base material as well as similar weldments of as‐rolled sheets.
Thomas Wegener +3 more
wiley +1 more source
Numerical simulation and experimental validation of arc welding of DMR-249A steel
Defence Technology, 2016 The thermo-mechanical attributes of DMR-249A steel weld joints manufactured by shielded metal arc welding (SMAW) and activated gas tungsten arc welding (A-GTAW) processes were studied using Finite Element Model (FEM) simulation. The thermal gradients and
Rishi Pamnani +4 more
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Materials, 2022 The 9% Cr steels were developed for ultra-supercritical (USC) power plants to meet the requirements of high operating temperature and pressure. These steels are produced to operate at high temperatures where impact toughness is not a concern; however, it
Sachin Sirohi +8 more
semanticscholar +1 more source