boron carbide


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boron carbide

n.
A compound of boron and carbon, especially B4C, an extremely hard, black crystalline compound. It is used as an abrasive, in control rods for nuclear reactors, and as a reinforcing filament in composite structural materials.

boron carbide

n
(Elements & Compounds) a black extremely hard inert substance having a high capture cross section for thermal neutrons. It is used as an abrasive, refractory, and in control rods in nuclear reactors. Formula: B4C
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NEW YORK, June 10, 2015 /PRNewswire/ -- This report analyzes the worldwide markets for and Boron Carbide in Metric Tons by the following Product Segments: Boron Nitride, and Boron Carbide.
Components made from this material are produced using a complex process: A boron carbide powder is pre-formed in moulds very similar in shape to that of the finished parts, in this case the watch's bezel.
The only three materials used in commercial diaphragms that offer theoretical sound speeds above 10,000 m/s: are diamond - 17,000 m/s, boron carbide - 13,400 m/s and beryllium 11,500 m/s.
Improving physical and mechanical properties and sintering behaviour of composites by using silicon carbide (SiC) additives at nanometric and micrometric scales, molybdenum disilicide (MoSi2) and boron carbide (B4C) are among other objectives of the research.
Improving physical and mechanical properties and sintering behavior of composites by using silicon carbide (SiC) additives at nanometric and micrometric scales, molybdenum disilicide (MoSi2) and boron carbide (B4C) are among other objectives of the research.
The objective of this work is to investigate the tribological behavior of acrylonitrile butadiene styrene based composites filled with aluminum, boron carbide and glass spheres particles.
based Branscome Concrete secured an unusual contract calling for development of a mix laden with boron carbide (BC), a $10/lb.
Among specific topics are parameters that influence silica dissolution in alkaline media, the effect of basalt chopped fiber reinforcement on the mechanical properties of potassium-based geopolymer, a new anisotropic constitutive model for ceramic material failure, gas-phase reactivity during chemical vapor deposition of boron carbide, frontiers in nanomaterials and nanotechnology and the impact on society, and measuring thermal conductivity of graphitic foams.
In 2010, he and his colleagues converted one into lightweight body armour by converting the fabric into boron carbide nanowires.
A useful shielding material consists of the resin plus copper, aluminum hydroxide or magnesium hydroxide as a refractory material, and boron carbide.
Among the topics are nanomechanics of coatings for electronic and optical applications, structural and magnetic properties of nanosized barium hexaferrite powders obtained by microemulsion, a highly effective selective absorbing coating for solar thermal collectors, the wetting ability of silver-based molten alloys on graphite substrate, the pressureless sintering of superhard materials based on boron carbide, thickness-dependent interface parameters of silicon oxide films grown on plasma hydrogenated silicon, and some medical applications of nanomaterials.
The company said raw material, including boron carbide, an element used primarily to reinforce advanced composites, and the machinery deployed to produce the shield were entirely provided through national means.