Results 11 to 20 of about 5,538 (264)

Powder metallurgy processed metal-matrix friction materials for space applications [PDF]

Friction, 2017
Abstract Owing to the increasing demand for tribological brakes for space applications, the development of novel materials and advanced technologies is necessary. This paper presents the design, characterization, and realization of powder metallurgy processed metal-matrix friction materials intended for the above-mentioned tribological brakes ...
Yelong Xiao, Pingping Yao, Kunyang Fan, Haibin Zhou, Minwen Deng, Zongxiang Jin   +5 more
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High-Temperature Nanoindentation of an Advanced Nano-Crystalline W/Cu Composite

Nanomaterials, 2021
The applicability of nano-crystalline W/Cu composites is governed by their mechanical properties and microstructural stability at high temperatures.
Michael Burtscher, Mingyue Zhao, Johann Kappacher, Alexander Leitner, Michael Wurmshuber, Manuel Pfeifenberger, Verena Maier-Kiener, Daniel Kiener   +7 more
doaj   +1 more source

Autonomous Solar Metallurgy for High-Purity Gold Recovery from Electronic Waste. [PDF]

Adv Sci (Weinh)
Inspired by microbial strategies for metal uptake and biomineralization, defect‐rich copper sulfide (Cu31S16) functions as a solar metallurgical platform that unifies Au(III) capture, reduction, and self‐separation. The bioinspired design enables ultrafast gold recovery from electronic‐waste leachates and the spontaneous formation of millimeter‐scale ...
Liu C, Li J, Ruan J, Zhang W, Sun W, Li H, Xie L, Liu M.   +7 more
europepmc   +2 more sources

Correlation between Mechanical Properties—Structural Characteristics and Cavitation Resistance of Cast Aluminum Alloy Type 5083

Crystals, 2022
The aluminum alloy type 5083, which has high corrosion resistance, excellent weldability, and good strength, is widely used in shipbuilding, automotive, aerospace, and industrial construction.
Dionisie Istrate, Beatrice-Gabriela Sbârcea, Alin Mihai Demian, Andreea Daniela Buzatu, Laura Salcianu, Ilare Bordeasu, Lavinia Madalina Micu, Cristian Ghera, Bogdan Florea, Brândușa Ghiban   +9 more
doaj   +1 more source

Physical-Metallurgy Aspects in Processes of Fracture of Metal Materials at Friction [PDF]

Uspehi Fiziki Metallov, 2009
The review of articles is performed, in which the influences of mechanical characteristics, chemical composition, microstructure parameters on the wear resistance of steels are discussed. As shown, the physical-metallurgy approach for tribology problems is one of the main ways to the considerable increasing of performance characteristics of sliding ...
openaire   +2 more sources

Intensification of the process of metallizing tungsten­containing ore raw materials by the powder metallurgy method

Eastern-European Journal of Enterprise Technologies, 2019
Выполненный рентгеноструктурный фазовый анализ образцов на дифрактометре «ДРОН-6», показал, что наибольшую вероятность в интервале температур 1173–1473 K имеют процессы перехода CaWO4 в WC и W2С. Конечный продукт углеродотермии CaWO4 представлен углеродом в оксикарбидных и карбидных фазах. Показаны процессы восстановления вольфрама из его оксидов через
Stanislav Hryhoriev, Damir Bikulov, Viсtor Skachkov, Olga Berezhnaya, Oleksandr Oliynyk   +4 more
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Novel Synthesis of Nano Mg(OH)₂ by Means of Hydrothermal Method with Different Surfactants

Nanomaterials, 2023
Magnesium hydroxide (MOH) is a widely used inorganic chemical owing to its various properties. Hence, researchers have long studied its synthesis and its unique features. However, the morphological consequences have rarely been studied.
Zahra Rajabimashhadi, Rahim Naghizadeh, Ashkan Zolriasatein, Carola Esposito Corcione   +3 more
doaj   +1 more source

PHYSICAL METALLURGY OF FAST BREEDER REACTOR CLADDING MATERIALS AND REFRACTORY METALS. [PDF]

, 1969
Studies on Re - Mo - W alloys led to lower cost production procedures and greatly improved room temperature ductility properties of powder metallurgy materials used for fast breeder reactor fuel cladding materials. Data are presented for ductility, grain size, hardness, recrystallization, and changes in aging at temperatures up to 2000 deg C for ...
Collins, C. G., Bohlander, K. M.
openaire   +2 more sources

Closed-loop active

Materials & Design
High-resistivity Fe-based amorphous alloys are difficult to design because electrical transport and glass-forming ability must be optimized simultaneously in a sparse composition space. Here, we develop a closed-loop active-inverse learning framework for
Guoen Yu, Yuanyuan Wang, Ming Gao, Yifan Duan, Chicheng Ren, Kewei Zhang, Wei Zhang, Haifeng Zhang, Zhengwang Zhu   +8 more
doaj   +1 more source

Notes on Metallic Affect: Metallurgy and New Materialism

FORUM: University of Edinburgh Postgraduate Journal of Culture & the Arts, 2014
This paper follows Theodore Wertime, twentieth century historian of metallurgy, spy turned survivalist. Wertime's fascination with metallurgy is related to the Smith in Deleuze and Guattari and the mythical Alchemist of Mircea Eliade's work; also explored are notions of the Cyborg and of Geotrauma.
openaire   +3 more sources