Results 61 to 70 of about 2,056 (126)

Effect of densification technology on the microstructure and mechanical properties of high-entropy (Ti, Zr, Hf, Nb, Ta)C ceramic-based cermets

Open Ceramics
High-entropy ceramic-based cermets represent a new and promising direction in improving the mechanical properties of conventional hardmetals through the formation of complex microstructures during synthesis. This has been systematically studied in two Co-
Dmytro Vedel, Tamás Csanádi, Petro Mazur, Anton Osipov, Juraj Szabó, Vladyslav Shyvaniuk, Richard Sedlák, Oleksandr Stasiuk, Veronika Kuchárová, Oleg Grigoriev   +9 more
doaj   +1 more source

Generalized Stacking Fault Energies of Aluminum Alloys–Density Functional Theory Calculations

Metals, 2018
Generalized stacking fault energies of aluminum alloys were calculated using density functional theory. Stacking fault energy of aluminum alloys was correlated with the d-electrons number of transition metal alloying elements. The tendency to twinning is
Marek Muzyk, Zbigniew Pakieła, Krzysztof J. Kurzydłowski   +2 more
doaj   +1 more source

Processing And Densification Of Multi-Phase High-Entropy Ceramics [PDF]

This work focuses on the processing and densification of multiphase, high-entropy ceramics to promote their use in friction stir welding technologies.
Smith, Steven
core   +1 more source

Geochemical Features of the Weathered Materials Developed on Gabbro in a Semi-Arid Zone, Northern Cameroon

Geosciences, 2017
Investigation on the mobilization and the redistribution of major, trace and rare-earth elements (REE) was performed along a soil profile developed on gabbro in the semi-arid zone (Northern Cameroon), using mineralogical and geochemical analyses.
Désiré Tsozué, Paul-Désiré Ndjigui
doaj   +1 more source

Mineralogy and mineral chemistry of rare-metal pegmatites at Abu Rusheid granitic gneisses, South Eastern Desert, Egypt

Geologija, 2011
The Abu Rushied area, situated in the South Eastern Desert of Egypt is a distinctive occurrence of economically important rare-metal mineralization where the host rocks are represented by granitic gneisses.
Mohamed Fahmy Raslan, Mohamed A. Ali
doaj  

Effect of Tribology on Multifunctional Coating Surface/Interface [PDF]

Increasing demand for tribological applications has led to the use of multifunctional coatings to fulfill specific requirements. This chapter reviews the fundamentals of tribology, followed by current advancements in multifunctional coatings which are ...
Siti Maznah, Kabeb
core  

Mechanical properties of reactive sintered high-entropy boride/carbide composite

Open Ceramics
High-entropy equimolar (Ti-Zr-Nb-Ta-Hf)B2 - (Ti-Zr-Nb-Ta-Hf)C dual–phase boride/carbide composite was prepared via a two-step spark plasma sintering (SPS).
Ines Sara Moussaoui, Annamária Naughton-Duszová, Monika Hrubovčáková, Tamás Csanádi, Marek Vojtko, Mark Windisch, Ondrej Petruš, Péter Pinke, Ján Dusza   +8 more
doaj   +1 more source

Origin of shear induced ‘catching bonds’ on half Heusler thermoelectric compounds XFeSb (X = Nb, Ta) and SnNiY (Y = Ti, Zr, Hf)

npj Computational Materials
Half Heusler materials exhibit excellent thermoelectric and mechanical properties, rendering them potential candidates for advanced thermoelectric devices.
Haoqin Ma, Xiege Huang, Zhongtao Lu, Xiaobin Feng, Bo Duan, Wenjuan Li, Yinhan Liu, Pengcheng Zhai, Guodong Li, Qingjie Zhang   +9 more
doaj   +1 more source

Analysis of High-temperature Strength Effect of Mo-based Alloy Based on Bayesian Optimization

Yuanzineng kexue jishu
Core structural materials such as cladding in advanced nuclear reactors face harsh service environments such as high-temperature, and their comprehensive performance is one of the bottlenecks restricting the development of advanced reactors.
BAO Jiaming,  BAI Bing,  KE Yixuan,  GAO Jin,  HE Xinfu,  YANG Wen
doaj   +1 more source

CУЧАСНІ ТЕНДЕНЦІЇ В РОЗРОБЦІ МЕТАЛЕВИХ БІОМАТЕРІАЛІВ ДЛЯ ІМПЛАНТІВ. ЧАСТИНА 1: СПЛАВИ НА ОСНОВІ ТИТАНУ

Biomedicinskaâ Inženeriâ i Èlektronika, 2019
В статті представлено огляд наукових публікацій, присвячених сучасним напрямкам дослідження сплавів на титановій основі, які широко використовуються в якості матеріалів для виготовлення штучних імплантів.
В. Г. Єфременко
doaj