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Study on Galvanic Corrosion Behavior of AH36 Steel and TC4 Alloy Processed by Plasma Electrolytic Oxidation
The plasma electrolytic oxidation (PEO) technology was used to prepare ceramic coating on the surface of titanium alloy to prevent the galvanic...
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Effect of Different Heat Inputs on Impact Performance of AH36 Steel Laser-MAG Hybrid Welded T-Joints
The T-joints of 6 mm thick AH36 shipbuilding steel were welded using the laser-MAG hybrid welding method. A testing device for the impact performance...
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Interaction of Hydrogen with the Microstructure of AH36 Steel
In this research, internal friction testing, x-ray diffraction, and multiple microstructural observation techniques were used to investigate the...
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Formation and Evolution of Inclusions in AH36 Steel During LF–RH–CC Process: The Influences of Ca-Treatment, Reoxidation, and Solidification
Formation and evolution of inclusions in AH36 steel during LF–RH–CC process were studied by industrial experimental data and thermodynamic...
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Local relaxation of residual stress in high-strength steel welded joints treated by HFMI
This research studies the influence of high-peak loads on local relaxation of residual stress and fatigue damage in high-strength steel welded joints...
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Method for evaluating the ductile fracture properties of steel parent material and weld metal
In collision accidents, ductile fracture may occur in base metal or weld metal without evident defects. We propose a test method for evaluating the...
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Effect of Laser-Arc Heat Input Ratio on the Formation, Microstructure, and Properties of EH36 Steel with Laser-Metal Inert Gas Hybrid Welding
In the present study, 20 mm EH36 steel was welded by multi-layer and multi-pass laser-MIG hybrid welding, and the influence of different laser-arc...
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Austenite Grain Growth and its Equation in the Austenitizing Process for 700 MPa Grade High-Strength Steel
Austenite grain growth behavior in the austenitizing process for 700 MPa grade high-strength steel was investigated. The results revealed that the...
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Barnacle cement protein as an efficient bioinspired corrosion inhibitor
To prevent corrosion damage in aggressive environments such as seawater, metallic surfaces are coated with corrosion inhibitors usually made of...
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Evaluation of microstructure and toughness of SAW steel weld metals with optimum Al/O ratio
A study was made to understand the possible effect of the Al/O ratio on the Charpy V-notch impact properties of submerged arc weld metals within the...
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Study on Microstructure-Property Relationship of Inconel 617 Alloy/304L SS Steel Dissimilar Welds Joint
Welding of Inconel 617 (IN617) alloy and austenitic 304L SS steel has been attempted using the autogenous Laser Beam Welding (LBW) process....
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Numerical Study of FPSO Platform Brackets for Different Geometric Configurations Subjected to Environmental Loads
In the present work, it is developed a computational methodology for prediction of mechanical behavior of brackets used for support of fairleads of...
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Accelerated corrosion of marine-grade steel by a redox-active, cysteine-rich barnacle cement protein
A serious consequence of marine biofouling on metallic structures is the insidious localized corrosion at the attachment sites of fouling organisms,...
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Microstructure Evolution and Coordinated Deformation of the 40Cr/Q345B Bimetallic Ring Blank at High Temperature
The evolution of microstructure has a significant impact on the coordinated deformation of bimetallic materials at high temperatures. This study...
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Influence mechanism of laser power on hybrid laser-MAG welding undercut defect
The undercut is an undesired defect in high-speed hybrid laser-arc welding, which will deteriorate the mechanical properties of the weld. Laser power...
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Effect of Welding Parameters on the Geometry, Microstructure, and Corrosion Resistance of Laser Welded 16 mm EH40 Joints
Considering laser power, defocus length, and welding speed, a Taguchi experiment (25 groups) was designed to investigate the 30-kW-laser-welding...
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Thickness effect on fatigue life of HFMI-treated welded joints under negative stress ratio
In present study, the fatigue strength improvement effect of HFMI (High Frequency Mechanical Impact) treatment under the condition of negative stress...
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Influences of the beam offset on microstructures and performance of fiber laser welded Nb521/Ti dissimilar joints
The influences of different laser beam offsets (LBOs) on the microstructures and mechanical performance of the welded joints were studied. In joints...
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Temperature-Dependent Material Property Databases for Marine Steels—Part 1: DH36
Integrated computational materials engineering (ICME)-based tools and techniques have been identified as the best path forward for distortion...
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Effect of Heat Treatment on Microhardness and Fracture Resistance of the NWZ of a Welded Joint of Microalloyed Steel EH36 with Thickness 150 mm for Offshore Oil-Gas Platforms
The microhardness, microstructure and susceptibility to brittle fracture with respect to the CTOD parameter are studied for industrial specimens of...
