Effect of high welding heat input on the microstructure and low-temperature toughness of heat affected zone in magnesium-treated EH36 steel [PDF]
Scientific ReportsIn the present study, the welding thermal cycle of magnesium-treated EH36 steel was simulated by a thermal simulation experiment machine. The effects of welding heat input on the microstructure and low temperature toughness of the welded joint were ...
Huan Qi +3 more
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Evolution of inclusions in DH36 grade ship plate steel during high heat input welding [PDF]
Scientific ReportsIn this paper, the solid solution and precipitation behavior of inclusions on the surface and 1/2 thickness of the tested steel plate under the condition of welding heat input of 400 kJ/cm is investigated by using laser confocal experiments with hot ...
Jinming Shi +4 more
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In-Situ Observation of Acicular Ferrite Transformation in High-Strength Low-Alloy Steel Using Confocal Laser Scanning Microscopy [PDF]
Archives of Metallurgy and Materials, 2022 In-situ observation of the transformation behavior of acicular ferrite in high-strength low-alloy steel using confocal laser scanning microscopy was discussed in terms of nucleation and growth.
Sang-In Lee +5 more
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Effect of austenite grain size on the acicular ferrite transformation in Ti–Zr treated steel
工程科学学报, 2023 The composite oxides of Ti and Zr can effectively induce acicular ferrite nucleation and refine austenite grain size. To study the transformation mechanism of acicular ferrite in Ti–Zr treated steel, the mass fraction of 0.038% titanium and 0.008 ...
Hao YAO, Cheng-jun LIU, Li-feng ZHANG
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Effect of boron treatment on the microstructure and toughness of Ti-containing steel weld metals
Revista de Metalurgia, 2022 Ti-containing steel weld metals with boron addition contents of 0-85 ppm were prepared, and their microstructural characteristics as well as the impact toughness were investigated.
Zhan-Hang Cui, Bing-Xin Wang
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Effect of Hot Working Processes on Microstructure and Mechanical Properties of Pipeline Steel
Crystals, 2021 The microstructure and microhardness of X70 pipeline steel were investigated after conducting different processing routes. The microstructure was characterized using optical and electron microscopy.
Huiling Ji +4 more
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Study on toughening mechanism of Ti on weld metal of high strength steel
Materials Research Express, 2021 The effect of Ti element on acicular ferrite microstructure of high strength steel weld was studied by scanning electron microscope(SEM), Transmission electron microscopy(TEM) and EDX spectrum analysis.
Xu Han +3 more
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Deformation behavior of two continuously cooled vanadium microalloyed steels at liquid nitrogen temperature [PDF]
Hemijska Industrija, 2013 The aim of this work was to establish deformation behaviour of two vanadium microalloyed medium carbon steels with different contents of carbon and titanium by tensile testing at 77 K.
Glišić Dragomir M. +4 more
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Intragranular ferrite morphologies in medium carbon vanadium-microalloyed steel [PDF]
Journal of Mining and Metallurgy. Section B: Metallurgy, 2013 The aim of this work was to determine TTT diagram of medium carbon V-N micro-alloyed steel with emphasis on the development of intragranular ferrite morphologies.
Fadel A. +3 more
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Metals, 2021 Welding thermal cycles with heat inputs ranging from 25 to 75 kJ/cm were performed on a Gleeble 3500. The impact energy improved significantly (from 10 to 112 J), whereas the simulated coarse-grain heat-affected zone (CGHAZ) microstructure changed from ...
Mingliang Qiao +6 more
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