Results 81 to 90 of about 11,485 (216)

Electronic and Lattice Dynamical Properties of Ti2SiB MAX Phase

, 2018
The structural, electronic, mechanic, vibrational and thermodynamic properties of Ti2SiB which is a hypothetical MAX phase compound, have been investigated using density functional theory calculations.
Gencer, Aysenur, Surucu, Gokhan
core   +1 more source

Refractory materials for high-temperature thermoelectric energy conversion [PDF]

Theoretical work of two decades ago adequately explained the transport behavior and effectively guided the development of thermoelectric materials of high conversion efficiencies of conventional semiconductors (e.g., SiGe alloys).
Emin, D., Wood, C.
core   +1 more source

Reinforced structural plastics [PDF]

, 1972
Reinforced polyimide structures are described. Reinforcing materials are impregnated with a suspension of polyimide prepolymer and bonded together by heat and pressure to form a cured, hard-reinforced, polyimide ...
Burns, E. A., Jones, J. F., Kendrick, W. P., Lubowitz, H. R., Thorpe, R. S.   +4 more
core   +1 more source

Numerical study of magnetization processes in rare-earth tetraborides

, 2010
We present a simple model for a description of magnetization processes in rare-earth tetraborides. The model is based on the coexistence of two subsystems, and namely, the spin subsystem described by the Ising model and the electronic subsystem described
Farkašovský, Pavol, Mataš, Slavomir, Čenčariková, Hana   +2 more
core   +1 more source

Boride layers on high-carbon high-chromium tool steels: Microstructure-mechanical properties relationship

Journal of Materials Research and Technology
High-carbon high-alloyed steels (Sleipner, K 190, Sverker 21, Sverker 3) were boronised at 1323 K for 10 h. The layers that developed were composed of FeB and Fe2B phases.
Peter Jurči, Peter Orihel, Mourad Keddam, Viliam Vretenár, Matúš Maťko   +4 more
doaj   +1 more source

Hydrogenation of Magnesium Nickel Boride for Reversible Hydrogen Storage [PDF]

, 2010
We report that a ternary magnesium nickel boride (MgNi_(2.5)B_2) mixed with LiH and MgH_2 can be hydrogenated reversibly forming LiBH_4 and Mg_2NiH_4 at temperatures below 300 °C. The ternary boride was prepared by sintering a mechanically milled mixture
Bowman, Robert C., Jr., Cumberland, Robert W., Hwang, Son-Jong, Kim, Chul, Li, Wen, Liu, Ping, Vajo, John J.   +6 more
core   +1 more source

Magnetic and mechanical effects of Mn substitutions in AlFe2B2

, 2018
The mechanical and magnetic properties of the newly discovered MAB-phase class of materials based upon AlFe2B2 were investigated. The samples were synthesised from stoichiometric amounts of all constituent elements.
Andersson, Mikael S., Cedervall, Johan, Delczeg-Czirjak, Erna K., Iusan, Diana, Jansson, Ulf, Nordblad, Per, Sahlberg, Martin   +6 more
core   +1 more source

High-efficiency, low-temperature cesium diodes with lanthanum-hexaboride electrodes [PDF]

Lanthanum hexaboride electrodes in 1700 K cesium diodes may triple power outputs compared with those demonstrated for nuclear thermionic space applications. Still greater relative gains seem possible for emitters below 1700 K.
Morris, J. F.
core   +1 more source

The Microstructural Evolution and Mechanical Properties of Boron-Doped Ti₃₅Zr₃₀V₁₀Nb₂₅ Refractory High-Entropy Alloy

Crystals
The addition of oxygen or nitrogen in refractory high-entropy alloys (HEAs) has been widely reported, but studies on boron-doped HEAs have mainly focused on the segregation of boron elements at grain boundaries.
Xinggang Wang, Meng Sun, Jiaxin Liu, Xueqing Liu, Weibin Jiang, Xianping Wang, Qianfeng Fang   +6 more
doaj   +1 more source

Perspective: Superhard metal borides: A look forward

APL Materials, 2018
Previous efforts toward the synthesis of materials with superior mechanical properties (e.g., superhardness, high bulk modulus, and high shear modulus) have focused on binary metal boride structures with short covalent bonds.
Georgiy Akopov, Lisa E. Pangilinan, Reza Mohammadi, Richard B. Kaner   +3 more
doaj   +1 more source