Results 31 to 40 of about 11,485 (216)

Insights to structure stability, elastic properties, fracture toughness, and thermal conductivities of TM7B3 (TM = Tc, Ru, Rh and Re) borides

open access: yesJournal of Materials Research and Technology
In this work, to understand the crack propagations, mechanical stability, and high-temperature applications of TM7B3 (TM = Tc, Ru, Rh and Re) borides in view of the intrinsic thermodynamic and mechanical properties, the elastic anisotropy, fracture ...
Lin Su   +6 more
doaj   +1 more source

NiB-CrC Coatings Prepared by Magnetron Sputtering Using Composite Ceramic NiCr-BC Target Produced by Detonation Spray Coating

open access: yesNanomaterials, 2022
A metal–ceramic composite target for magnetron sputtering was fabricated for the first time by a robotic complex for the detonation spraying of coatings equipped with a multi-chamber detonation accelerator. A mixture of metal and ceramic NiCr/B4C powders
Viacheslav Sirota   +5 more
doaj   +1 more source

Comparison of Boriding Heat Treatment and Induction Boriding Method

open access: yesInternational Scientific and Vocational Studies Journal, 2023
Induction boriding is a metal processing technique that applies a surface accumulation process using a high-frequency electromagnetic field on metal parts. The adoption of this method in industrial applications is anticipated due to its advantages such as high efficiency, precision, and low energy consumption. Induction boriding relies on the principle
Ulaş İPEKOĞLU, Uğur ÇAVDAR
openaire   +2 more sources

BORON. PROPERTIES AND APPLICATION IN NUCLEAR ENERGY

open access: yesЛитьë и металлургия, 2017
Boron is one of the available chemical elements actively influencing the properties of the alloys. The main use of boron is in the alloys of the control rods of nuclear reactors to stop or slow down the fission reaction.
V. A. Palekha, A. A. Getman
doaj   +1 more source

First Principles Density Functional Theory Prediction of the Crystal Structure and the Elastic Properties of Mo2ZrB2 and Mo2HfB2

open access: yesCrystals, 2020
The Molybdenum rich ternary alloys Mo-M-B (M = Zr, Hf) contain, next to the Mo solid solution (bcc Mo with small amounts of Zr or Hf as substitutional atoms), the binary borides Mo2B, MB and MB2.
Rachid Stefan Touzani, Manja Krüger
doaj   +1 more source

Effects of high pressure on the physical properties of MgB2

open access: yes, 2010
The synthesis of MgB2-based materials under high pressure gave the possibility to suppress the evaporation of magnesium and to obtain near theoretically dense nanograined structures with high superconducting, thermal conducting, and mechanical ...
Danilenko, N.   +29 more
core   +1 more source

Thermodynamic stabilities of ternary metal borides: An ab initio guide for synthesizing layered superconductors

open access: yes, 2008
Density functional theory calculations have been used to identify stable layered Li-$M$-B crystal structure phases derived from a recently proposed binary metal-sandwich (MS) lithium monoboride superconductor. We show that the MS lithium monoboride gains
A. M. Fogg   +7 more
core   +2 more sources

A Surface Conversion Treatment on a Borided and Cemented Seel Coated with Chromium Filme

open access: yesIranian Journal of Materials Science and Engineering, 2021
Coatings based on chromium borides and chromium carbides are commonly employed in applications requiring mechanical performance, such as high hardness and low friction coefficient, as well as corrosion resistance. In this work, we made layers of chromium
Rabah Bobaaya   +3 more
doaj  

Sol–Gel Derived Polymer Precursors for Stereolithography of ZrC

open access: yesAdvanced Engineering Materials, EarlyView.
ZrC is a critical material target for extreme temperature conditions. This report describes a protocol for preparing ZrC ceramics via stereolithography and examines the impact of the polymer matrix on carbothermal reduction and mechanical stability of 3D printed ZrC.
Charles J. Rafalko   +2 more
wiley   +1 more source

Current Functional Materials for Wear-Resistant Casting: from Multicomponent Cast Irons to Hybrid High-Boron Alloys

open access: yesУспехи физики металлов, 2022
The results obtained in the last two decades in the development of functional tribological alloys for the castings working under severe abrasion, erosion, and erosion–corrosion conditions are reviewed.
Yu. G. Chabak, V. I. Zurnadzhy, M. A. Golinskyi, V. G. Efremenko, N. P. Zaichuk, I. Petryshynets, and S. P. Shymchuk
doaj   +1 more source

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