Results 181 to 190 of about 1,304 (236)
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Stability of Hyperlithiated Borides
The Journal of Physical Chemistry A, 1999Structures and energetics of BLin (n = 4−8) clusters are predicted using the SCF, MP2, and B3LYP methods with the 6-31G(d) basis set, including energy evaluations at G2MP2. Cohesive energies, defined as the enthalpies of the BLin → B + Lin reactions, and Li and Li2 elimination reaction enthalpies are also estimated at B3LYP.
Kiet A. Nguyen +3 more
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Boriding influence on cyclic oxidation of CrFeMnNbNi high entropy alloy
Surface and Coatings TechnologyBoriding is often used to improve the wear resistance of metals and alloys and successful results are obtained. Although boriding increases the wear resistance in HEAs, it is also important to know the oxidation behavior, especially for high temperature ...
Erdogan Azmi +2 more
exaly +2 more sources
Tribology InternationalThis study is dedicated to determine the effect of boriding treatment on CrFeMnNbNi alloy. Three phases (Laves, FeNi, FeCr) were determined in the HEA microstructure in accordance with thermodynamic calculations.
Erdogan Azmi +2 more
exaly +2 more sources
Ceramics International
TENMAK Boron Research Institute; Istanbul Teknik Üniversitesi, IT; Ulusal Bor Araştırma Enstitüsü, BOREN, (2019–31-07-15-001); Ulusal Bor Araştırma Enstitüsü, BOREN; Bilimsel Araştırma Projeleri Birimi, İstanbul Teknik Üniversitesi, BAP, (MDK-2022-43573); Bilimsel Araştırma Projeleri Birimi, İstanbul Teknik Üniversitesi ...
Süzer, İlayda +7 more
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TENMAK Boron Research Institute; Istanbul Teknik Üniversitesi, IT; Ulusal Bor Araştırma Enstitüsü, BOREN, (2019–31-07-15-001); Ulusal Bor Araştırma Enstitüsü, BOREN; Bilimsel Araştırma Projeleri Birimi, İstanbul Teknik Üniversitesi, BAP, (MDK-2022-43573); Bilimsel Araştırma Projeleri Birimi, İstanbul Teknik Üniversitesi ...
Süzer, İlayda +7 more
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Vacuum boriding of austenitic steel and the structure of the boride layer
Metal Science and Heat Treatment, 19751. Vacuum boriding of steel Kh18N10T in amorphous boron powder at 900–1000° leads to formation of a diffusion zone on the surface that consists of borides of the (Fe, Cr, Ni)2B and (Fe, Cr, Ni)B types, and austenite and ferrite. 2. With vacuum boriding of steel Kh18N10T at 900–1000° in powdered amorphous boron the boron diffuses ...
A. M. Grishin, V. P. Sentyurev
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Journal of the Less Common Metals, 1981
Abstract Structural comparisons between the higher borides and the boranes, carboranes and metallo derivatives suggest that there may be new borane structures. Also, if lower temperature, very high pressure synthetic conditions are tried, we may find three-dimensional boride-like structures containing other polyhedra and their fragments, particularly
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Abstract Structural comparisons between the higher borides and the boranes, carboranes and metallo derivatives suggest that there may be new borane structures. Also, if lower temperature, very high pressure synthetic conditions are tried, we may find three-dimensional boride-like structures containing other polyhedra and their fragments, particularly
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A kinetic model for the borided layers by the paste-boriding process
Applied Surface Science, 2004Abstract This work is dedicated to the study of the growth kinetics of the borided layers obtained by the paste-boriding process. A diffusion model based on Fick’s laws and coupled with a thermodynamic description of the Fe–B binary system was suggested to simulate the growth kinetics of the borided layers consisting only of Fe2B phase and ...
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Journal of Applied Physics, 1950
The thermionic emission properties of the borides of the alkaline-earth and rare-earth metals and thorium have been investigated. These compounds all have the same formula MB6 and the same crystal structure consisting of a three-dimensional boron framework in whose interlattice spaces the metal atoms are embedded.
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The thermionic emission properties of the borides of the alkaline-earth and rare-earth metals and thorium have been investigated. These compounds all have the same formula MB6 and the same crystal structure consisting of a three-dimensional boron framework in whose interlattice spaces the metal atoms are embedded.
openaire +1 more source