Results 11 to 20 of about 978,277 (249)

Microstructural Evolution of a Re-Containing 10% Cr-3Co-3W Steel during Creep at Elevated Temperature

open access: yesMetals, 2023
Ten percent Cr steels are considered to be prospective materials for the production of pipes, tubes, and blades in coal-fired power plants, which are able to operate within ultra-supercritical steam parameters.
Alexandra Fedoseeva   +4 more
doaj   +1 more source

Microstructural Evolution and Material Flow during Friction Stir Welding of 6013 Aluminum Alloy Studied by the Stop-Action Technique

open access: yesMetals, 2023
This work is part of a wide-ranging study aiming to enhance the technology of dissimilar friction-stir welding of aluminum and titanium. In the previous study, a new approach was proposed that provided an exceptionally narrow intermetallic layer. However,
Alexander Kalinenko   +6 more
doaj   +1 more source

Dynamically Recrystallized Microstructures, Textures, and Tensile Properties of a Hot Worked High-Mn Steel

open access: yesMetals, 2019
The deformation microstructures and mechanical properties were studied in a high-Mn steel subjected to hot compression. The deformation microstructures resulted from the development of dynamic recrystallization (DRX).
Pavel Dolzhenko   +3 more
doaj   +1 more source

Effect of the Thermo-Mechanical Processing on the Impact Toughness of a 12% Cr Martensitic Steel with Co, Cu, W, Mo and Ta Doping

open access: yesMetals, 2021
This paper presents the results of an experimental investigation of a 12% Cr steel where a significant increase in Charpy impact toughness and a slight decrease in ductile-brittle transition temperature (DBTT) from 70 °C to 65 °C were obtained through ...
Alexandra Fedoseeva   +4 more
doaj   +1 more source

The Effect of Liquid Hydrogen Tank Size on Self-Pressurization and Constant-Pressure Venting

open access: yesHydrogen, 2023
Hydrogen represents a promising renewable fuel, and its broad application can lead to drastic reductions in greenhouse gas emissions. Keeping hydrogen in liquid form helps achieve high energy density, but also requires cryogenic conditions for storage as
Konstantin I. Matveev, Jacob W. Leachman
doaj   +1 more source

Effects of thermal treatment and weathering in the resistance against termites of a fast-growing pine wood

open access: yesMaderas: Ciencia y Tecnología, 2023
Considering the limited existing literature on the combined effects of thermal treatment and weathering on the resistance of fast-growing pine wood to subterranean termites, this work deals with the resistance against subterranean termites of a ...
Ricardo Ripoll de Medeiros   +5 more
doaj   +1 more source

Effect of Hot-Rolling on the Microstructure and Impact Toughness of an Advanced 9%Cr Steel

open access: yesCrystals, 2023
A 9%Cr martensitic steel with Ta and B additions was subjected to thermo-mechanical treatment (TMT) including rolling in the range of metastable austenite at 900–700 °C followed by water quenching and tempering at different temperatures. Applied TMT with
Evgeniy Tkachev   +2 more
doaj   +1 more source

Grain Boundary Assemblies in Dynamically-Recrystallized Austenitic Stainless Steel

open access: yesMetals, 2016
The grain boundary misorientation distributions associated with the development of dynamic recrystallization were studied in a high-nitrogen austenitic stainless steel subjected to hot working. Under conditions of discontinuous dynamic recrystallization,
Marina Tikhonova   +3 more
doaj   +1 more source

Effect of Tungsten on Creep Behavior of 9%Cr–3%Co Martensitic Steels

open access: yesMetals, 2017
The effect of increasing tungsten content from 2 to 3 wt % on the creep rupture strength of a 3 wt % Co-modified P92-type steel was studied. Creep tests were carried out at a temperature of 650 °C under applied stresses ranging from 100 to 220 MPa with a
Alexandra Fedoseeva   +3 more
doaj   +1 more source

Experimental study of the particle agglomeration on its mechanical properties of collapsible loess

open access: yesFrontiers in Earth Science, 2022
Loess, distributed all over the world, exhibits the behavior that is related to their formation history, mineralogy, and microstructure, which can cause serious geotechnical engineering problems.
Meng Zhao   +7 more
doaj   +1 more source

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