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Originally Posted by Krawsczyn
I am in a ceramic course in college right now.
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Explain how silicon is a ceramic.
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Ceramic
inorganic, nonmetalllic products for which the interatomic bonding is predominantly ionic.
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Definition link
Silicon is a semiconductor, and as I know it, it is quite soft and doesn't like temperatures much over 200-300 C. There are ceramics made from Silicon Nitride and Silicon Carbide, both of which form ionic bonds. How does Si2 form ionic bonds?
The only reason I am bringing this up and questioning it is because the source article for a "ceramic engine" is lacking in details such as material, and exaggerates many points. Typical "snake oil" pitch.