Results 131 to 140 of about 2,367 (184)

Influence of B4C Content on Flexural Performance of Ni + B4C Microwave Composite Clads

Journal of Materials Engineering and Performance, 2021
This study focused on the development of microwave composite cladding of a Ni-based alloy reinforced with varying proportions (wt.%) of B4C such as 0, 5, 10 and 20% on a SS-304 steel substrate. Clads showed metallurgical bonding with the substrate by the partial dilution of the materials.
M. Minhaj, Sunny Zafar
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Chemical modification of B4C cap layers on Pd/B4C multilayers

Applied Surface Science, 2016
Abstract Chemical modifications of B 4 C cap layers on sputtered Pd/B 4 C multilayer coatings for X-ray optical applications were investigated using X-ray reflectivity, photoemission electron spectroscopy, photoemission electron microscopy, transmission electron microscopy, energy dispersive X-ray spectroscopy, and infrared spectroscopy.
Ratchadaporn Supruangnet, Christian Morawe, Jean-Christophe Peffen, Hideki Nakajima, Surachet Rattanasuporn, Pat Photongkam, Nichada Jearanaikoon, Wutthikri Busayaporn   +7 more
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Study of B4C-Fe, B4C-V and B4C-P Thermoelectric Materials made by SPS for MHD Power System

33rd Plasmadynamics and Lasers Conference, 2002
$EVWUDFW The electrical conductivity, Seebeck coefficient, and the thermal conductivity of Fe -doped B4C ceramics with several Fe compositions were investigated experimentally. The ceramics specimens were made by SPS apparatus. The figure of merit for the each specimen were calculated using the above experimental results It was found that the values of
Yoshiaki Aoki, Yoshiki Miyazaki, Junichi Okino, Noriyuki Okinaka, Shigeo Yatsu, Naoyuki Kayukawa, Heishichiro Takahashi, Toshio Hirai, Mamoru Omori, Yutaka Abe   +9 more
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Influence of B4C on the tribological and mechanical properties of Al 7075–B4C composites

Composites Part B: Engineering, 2013
Abstract In the present investigation, the influence of B 4 C on the mechanical and Tribological behavior of Al 7075 composites is identified. Al 7075 particle reinforced composites were produced through casting, K 2 TiF 6 added as the flux, to overcome the wetting problem between B 4 C and liquid aluminium metal. The aluminium B 4 C composites thus
A. Baradeswaran, A. Elaya Perumal
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Dependence of the SHS reaction behavior and product on B4C particle size in Al–Ti–B4C and Al–TiO2–B4C systems

Materials Research Bulletin, 2009
Abstract Dependence of the combustion reaction behavior and product on the B 4 C particle size in the Al–Ti–B 4 C and Al–TiO 2 –B 4 C systems was investigated. The results show that in both systems, the SHS reaction kinetics is primarily controlled by diffusion.
Binglin Zou, Ping Shen, Qichuan Jiang
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Vibrational analysis of B4C

AIP Conference Proceedings, 1991
A classical central force field model is applied to a boron carbide lattice assumed to consist of B11C icosahedra and C‐B‐C chains. The icosahedral carbon is positioned in a polar triangle and is puckered inward by ∼10%. Interaction constants are fitted to account for the observed Raman and IR spectral frequencies in terms of q=0 phonons; isotopic ...
Bartram S. Abbott, Charles L. Beckel
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Effect of the B4C content on microstructure, microhardness, corrosion, and neutron shielding properties of Al–B4C composites

Ceramics International, 2023
Aluminum-Boron Carbide (Al-B4C) metal matrix composites (MMCs) are frequently studied because of their high thermal conductivity and ability to absorb neutrons, as an alternative material for the manufacture of baskets in spent fuel casks in the nuclear industry.
Gaylan, Yasin, Avar, Baris, Panigrahi, Mrutyunjay, Aygun, Bunyamin, Karabulut, Abdulhalik, Belirlenecek, [Gaylan, Yasin; Avar, Baris] Zonguldak Bulent Ecevit Univ, Dept Nanotechnol Engn, TR-67100 Zonguldak, Turkey; [Avar, Baris] Zonguldak Bulent Ecevit Univ, Dept Met & Mat Engn, TR-67100 Zonguldak, Turkey; [Panigrahi, Mrutyunjay] Vellore Inst Technol, Sch Mech Engn, Chennai 600127, Tamil Nadu, India; [Aygun, Bunyamin] Ibrahim Cecen Univ Agri, Dept Elect & Automat, TR-04100 Agri, Turkey; [Karabulut, Abdulhalik] Ataturk Univ, Dept Phys, TR-25240 Erzurum, Turkey   +6 more
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Electronic studies of B4C

AIP Conference Proceedings, 1991
A self‐consistent‐field, near‐Hartree‐Fock method is applied to study the structure and stability of B4C. Hydrogens serve as bond tie‐offs. Consideration of a large variety of B12C2H16 cluster configurations reveals that one C is highly favored over 0, 2, or 3 in the icosahedron. The C‐B‐C chain is highly favored over all other chains. C’s as far apart
Megan M. Florence, Charles L. Beckel
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Preparation, microstructure and mechanical properties of SiC–SiC and B4C–B4C laminates

Journal of Solid State Chemistry, 2004
Silicon carbide and boron carbide are high hardness materials with a low density but, like most ceramics, with a low toughness, that limits their use in various applications. One approach to reinforce ceramic materials consists in using crack deflection by weakening the interfaces in laminar materials.
S Tariolle, C Reynaud, F Thévenot, T Chartier, J.L Besson   +4 more
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Influence of B4C particle size on microstructure and damping capacities of (B4C+Ti)/Mg composites

Journal of Central South University, 2021
To study the influence of B4C particle size on the microstructure and damping capacities of (B4C+Ti)/Mg composites, in situ reactive infiltration technique was utilized to prepare Mg-matrix composites. The microstructure, produced phases and damping capacities of the composites prepared with different particle size of B4C were characterized and ...
Yan-tao Yao, Li-qing Chen, Wen-guang Wang   +2 more
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