Boron carbide (B4C), is among the hardest materials used in manufacturing. Its hard surface and strong chemical bonds minimize wear even in harsh environments. This is why it's been used to make bulletproof vests, tank armor, and other extreme applic...…
Boron carbide, alias black diamond, has a molecular formula of B4C, usually grayish black powder.…
Various crystal forms of alumina (α, β, γ, δ, θ, etc.) have been found, among which γ-Al2O3 is also called active alumina.…
Copper does not react with water but slowly reacts with atmospheric oxygen, forming a layer of brown-black copper oxide. In contrast to the oxidation of iron by wet air, this oxide layer stops further bulk corrosion. The formation of copper oxide fro...…
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