Abstract the amorphous boron powders with high activity were prepared by the high-energy ball milling–combustion synthesis method. The milling rate and milling time effects on the crystallinity, microscopic morphology, and reactivity of amorphous bor...…
Executive standard: Q/YTY002-2022. Physical and chemical properties： Elementary symbol: B, Atomic weight: 10.81 (on 1979 international atomic weight), Melting point: 2300±2℃, Sublimation temperature: 2550℃, Density: 2.34-2.37 g/cm3. Solubility: Insol...…
In recent years, demand for power modules used in industrial and automotive inverters has been extremely high in applying hybrid electric vehicles (HEV) and electric vehicles (EV). Although ceramic-type insulated heat dissipation substrates had been ...…
The impurity powder dropper (IPD) is a device for injecting controlled amounts of submillimetre powder grains into the plasma under the action of gravity. Its main application is to perform a real-time boronization by injecting B powder (and B compos...…
In state-of-the-art stellarators, turbulence is a major cause of the degradation of plasma confinement. To maximize confinement, which eventually determines the number of nuclear fusion reactions, turbulent transport must be reduced. Here we report t...…
Boron Nitride is a white powder with high electrical resistance. It is non-combustible and known for excellent heat-shock resistance. It is often used as a high-temperature insulator. Boron Nitride can be used for furnace insulation, crucibles, recti...…
Boron powder is a kind of metal fuel with high gravimetric and volumetric calorific values, which has been widely used in military fields such as solid propellants, high-energy explosives, and pyrotechnics. However, the easily formed liquid oxide lay...…
It is tasteless and odorless. Boron is between the metal element series and the non-metal element series in the periodic table of elements. Boron has many characteristics, such as strong electronegative, low atomic radius, and centralized nuclear cha...…
What is Boron powder?Boron is a non-metallic element that occurs in several allotropes. Boron is a chemical element with the symbol B and atomic number 5. In its crystalline form, it is a brittle, dark, lustrous metalloid; in its amorphous form, it i...…
3,3-bis (aminomethyl) oxetane/tetrahydrofuran copolymer (PBT) and glycidyl azide polymer (GAP) are two typical azide energetic binders. Azide binders have several advantages, such as high heat release, no oxygen consumption during decomposition, and ...…
In addition to studying the ignition and combustion mechanism of boron particles, surface modification strategies are beneficial to improving the combustion efficiency of boron powder. Surface modifications of boron powder can improve surface propert...…
What is Boron powder?Boron powder is a kind of metal fuel with high gravimetric and volumetric calorific values, which has been widely used in military fields such as solid propellants, high-energy explosives, and pyrotechnics. However, the easily fo...…
Why does bismuth telluride have good thermal power？Thermoelectric material is a kind of functional material based on the Seebeck effect and Peltier effect, which can realize the direct conversion of electric energy and thermal energy. Thermoelectric ...…
Polycarboxylate superplasticizer is the third generation of high performance superplasticizer after common superplasticizer and superplasticizer.…
Stealth materials have always been a hot spot for scientists, many years of research has achieved preliminary results, but still can not overcome the technical difficulties.…
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