In the Ni-WC system, a portion of WC reacted resulting in tungsten dissolution into the nickel. Reactions in the Ni-B4C system produced nickel borides, principally Ni3B in the form of a eutectic with nickel and primary nickel dendrites. No B4C was detected in any of the samples ...
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In this study, a new synthetic method for tungsten boride is proposed using tungsten (W) and boron carbide (B4C) as raw materials. First, the boronization reaction between W and B4C was carried out at a high temperature; then, the boronization products were reacted with calcium to ...
carbides tungsten tungsten alloys and systems/b--c--si--w, preparation of composites of, on tungsten wire substrates boron systems/b--c--si--w, preparation of composites of, on tungsten wire substrates silicon systems/b--c-- si--w, preparation of composites of, on tungsten wire ...
Tungsten long-rod penetration into confined cylinders of boron carbide at and above ordnance velocities. Int J Impact Eng 2001;25:703-14.Westerling L,Lundberg P,Lundberg B.Tungsten long-rodpenetration into confined cylinders of boron carbide at and aboveordnance velocities.International Journal of ...
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Zhuzhou Good Cemented Carbide Co.,Ltd. established in Zhuzhou City, Hunan Province, the largest tungsten carbide producing area in China and now our office moved to Changsha city, capital of Hunan province. We own a factory specialized in cemented carbid
Interactive 3D chemistry animations of reaction mechanisms and 3D models of chemical structures for students studying University courses and advanced school chemistry hosted by University of Liverpool
GeTe is a promising p-type material with increasingly enhanced thermoelectric properties reported in recent years, demonstrating its superiority for mid-temperature applications. In this work, the thermoelectric performance of GeTe is improved by a facil
In order to obtain dense single-phase sintered bodies of silicon carbide it is necessary to activate the SiC powder with small amounts of boron and carbon [1]. The role played by both additives in the sintering process has not been fully clarified so far. As far as carbon is concerned, ...