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Boron Carbide (B4C) - Properties and Information about Boron Carbide

Atomic Volume (average) 0.0043 0.0045 m3/kmol 262.402 274.607 in3/kmolDensity 2.3 2.55 Mg/m3 143.584 159.191 lb/ft3Energy Content 200 300 MJ/kg 21667.7 32501.6 kcal/lbBulk Modulus…

28
2018-07

Boron Carbide (B4C)

Boron Carbide (B4C) Powder: Composition should conform to the Type 1 of ASTM C 750-89 according to following.Constituent Composition Wt.% (Type-I)Total Boron 81.0 maximum. 76.5 minimumHNO3 Soluble Boron 0.5 maxWater Soluble Boron 0.2 maxFluoride…

28
2018-07

Enhancement of the deep-level emission and its chemical origin in hexagonal boron nitride

Enhancement of the deep-level emission and its chemical origin in hexagonal boron nitride Defect-related deep-level emissions at ∼4 eV from hexagonal boron nitride (h-BN) have been extensively investigated during the past decades. Although the emiss…

24
2018-07

Excitons in hexagonal boron nitride single-layer: a new platform for polaritonics in the ultraviolet

The electronic and optical properties of 2D hexagonal boron nitride arestudied using first principle calculations. GW and BSE methods are employed inorder to predict with better accuracy the excited and excitonic properties ofthis material. We determi…

21
2018-07

Boron Nitride Nanosheets/PNIPAM Hydrogels with Improved Thermo-Responsive Performance

Thermo-responsive hydrogel is an important smart material. However, its slow thermal response rate limits the scope of its applications. Boron nitride nanosheet-reinforced thermos-responsive hydrogels, which can be controlled by heating, were fabricat…

21
2018-07

CUBIC BORON NITRIDE ABRASIVES

CUBIC BORON NITRIDE ABRASIVESCubic Boron Nitride (CBN) is the second hardest known material,only next to diamond. It not only has many good properties ofdiamond, but also the advantage of high thermal stability andresistance to chemical attack make it…

21
2018-07

molcoat bn a5 boron nitride coating

Boron nitride is a heat and chemically resistant refractory compound of boron and nitrogen with the chemical formula BN. It exists in various crystalline forms that are isoelectronic to a similarly structured carbon lattice. The hexagonal form corresp…

21
2018-07

Substrate-induced band gap in graphene on hexagonal boron nitride: Ab initio density functional calculations

We determine the electronic structure of a graphene sheet on top of a lattice-matched hexagonal boron nitride (h−BN) substrate using ab initio density functional calculations. The most stable configuration has one carbon atom on top of a boron atom, …

11
2018-06

Theory of graphitic boron nitride nanotubes

Based upon the similarities in properties between carbon- and BN-based (BN=boron nitride) materials, we propose that BN-based nanotubes can be stable and study their electronic structure. A simple Slater-Koster tight-binding scheme has been applied. A…

11
2018-06

Atomic layers of hybridized boron nitride and graphene domains

Two-dimensional materials, such as graphene and monolayer hexagonal BN (h-BN), are attractive for demonstrating fundamental physics in materials and potential applications in next-generation electronics. Atomic sheets containing hybridized bonds invol…

11
2018-06

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Suzhou Nutpool Materials Technology Co., Ltd., established in 2016, is located in the national high-tech development zone Changshu Economic and Technological Development Zone, and has got funded by Jiangsu Province, Suzhou and Changshu government to scale-up the production of ultra-fine specialty ceramic powders with high-purity.

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