Results 91 to 100 of about 11,485 (216)
Vapor pressure and evaporation rate of certain heat-resistant compounds in a vacuum at high temperatures [PDF]
The vapor pressure and evaporation rate of borides of titanium, zirconium, and chrome; and of strontium and carbides of titanium, zirconium, and chrome, molybdenum silicide; and nitrides of titanium, niobium, and tantalum in a vacuum were studied.
Bolgar, A. S. +2 more
core +1 more source
Experimental Investigation of Isothermal Section of the B-Cr-Fe Phase Diagram at 1353 K
Advances in Materials Science and Engineering, 2017 The isothermal section of the B-Cr-Fe ternary system was studied experimentally at 1353 K. X-ray diffraction and scanning electron microscopy equipped with EDX analyzer were used for determination of phase equilibria and composition of the coexisting ...
Viera Homolová, Lucia Čiripová
doaj +1 more source
Results of experimental studies of emission cathodes made from lanthanum, yttrium, and gadolinium hexaborides are presented. Maximum thermal emission was obtained from lanthanum hexaboride electrodes.
Wolski, W.
core +1 more source
Materials for high-temperature thermoelectric conversion [PDF]
High boron materials of high efficiency for thermoelectric power generation and capable of prolonged operation at temperatures over 1200 C are discussed.
Elwell, D., Feigelson, R. S.
core +1 more source
Rapid and low‐temperature synthesis of MoAlB MAB phase by using stress‐induced Al‐particles
International Journal of Ceramic Engineering & ScienceCurrently, MoAlB particles are produced at 1000°C and higher temperatures. In this manuscript, we report the rapid synthesis of MoAlB by altering the stress of Al particles to affect Al reactivity.
Maharshi Dey +6 more
doaj +1 more source
Carbon EnergyTransition metal borides (TMBs) are a new class of promising electrocatalysts for hydrogen generation by water splitting. However, the synthesis of robust all‐in‐one electrodes is challenging for practical applications.
Qi Miao +9 more
doaj +1 more source
Development of an improved oxygen electrode for use in alkaline H2-O2 fuel cells Quarterly report, Apr. 1 - Jun. 30, 1967 [PDF]
Preparation of institial compounds of transition metals for hydrogen oxygen fuel cell ...
Akhtar, S. +4 more
core +1 more source
Thrust chamber material technology program [PDF]
This report covers work performed at Pratt & Whitney on development of copper-based materials for long-life, reusable, regeneratively cooled rocket engine thrust chambers. The program approached the goal of enhanced cyclic life through the application of
Andrus, J. S., Bordeau, R. G.
core +1 more source
Materials for engine applications above 3000 deg F: An overview [PDF]
Materials for future generations of aeropropulsion systems will be required to perform at ever-increasing temperatures and have properties superior to the current state of the art.
Dicarlo, James A. +7 more
core +1 more source