Results 11 to 20 of about 3,021,979 (192)

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

Metals, 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, Ivan Brazhnikov, Svetlana Degtyareva, Ivan Nikitin, Rustam Kaibyshev   +4 more
doaj   +1 more source

The Evolution of Abnormal Grains during the Heating Stage of a Post-Weld Solution Treatment in a Friction-Stir-Welded 2519 Aluminium Alloy

Metals, 2023
This work presents an in-depth investigation of the early stages of abnormal grain growth (AGG) in a friction-stir-welded (FSWed) 2519-T820 aluminium alloy. Microstructural evolutions, which occurred during the heating stage of a solution heat treatment (
Ivan S. Zuiko, Sergey Malopheyev, Salaheddin Rahimi, Sergey Mironov, Rustam Kaibyshev   +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

Metals, 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, Pavel Dolzhenko, Sergey Malopheyev, Ivan Shishov, Vasiliy Mishin, Sergey Mironov, Rustam Kaibyshev   +6 more
doaj   +1 more source

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

Metals, 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, Marina Tikhonova, Rustam Kaibyshev, Andrey Belyakov   +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

Metals, 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, Ivan Nikitin, Nadezhda Dudova, John Hald, Rustam Kaibyshev   +4 more
doaj   +1 more source

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

Hydrogen, 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

A Review on Mechanics and Mechanical Properties of 2D Materials - Graphene and Beyond [PDF]

, 2016
Since the first successful synthesis of graphene just over a decade ago, a variety of two-dimensional (2D) materials (e.g., transition metal-dichalcogenides, hexagonal boron-nitride, etc.) have been discovered.
Akinwande, Deji, Brennan, Christopher J., Bunch, J. Scott, Egberts, Philip, Felts, Jonathan R., Gao, Huajian, Huang, Rui, Kim, Joon-Seok, Li, Teng, Li, Yao, Liechti, Kenneth M., Lu, Nanshu, Park, Harold S., Reed, Evan J., Wang, Peng, Yakobson, Boris I., Zhang, Teng, Zhang, Yong-Wei, Zhou, Yao, Zhu, Yong   +19 more
core   +1 more source

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

Maderas: 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, Andrey Pereira Acosta, Kelvin Techera Barbosa, Rafael de Avila Delucis, Rafael Beltrame, Darci Alberto Gatto   +5 more
doaj   +1 more source

Investigating of Mechanical Properties of Mortars Based on Fly Ash and Blast Furnace Slag Activated with Alkali [PDF]

, 2017
Alkali activated mortars obtained from granulated blast furnace slag and fly ash were used instead of Portland cement by activating with alkali. Sodium silicate and sodium hydroxide were activated blast furnace slag and fly ash.
Filazi, A. (Ahmet), Kartal, S. (Saruhan), Sevim, O. (Ozer), Toprak, B. (Baran)   +3 more
core   +1 more source

Grain Boundary Assemblies in Dynamically-Recrystallized Austenitic Stainless Steel

Metals, 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, Pavel Dolzhenko, Rustam Kaibyshev, Andrey Belyakov   +3 more
doaj   +1 more source