What would happen if pressable ceramic is heated past melting range?

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Heating pressable ceramic powder beyond its melting range of 900-1000°C to approximately 1200°C results in a transition to a molten state. The behavior of the material during this process depends on its phase characteristics, as some single-phase materials melt congruently, meaning the liquid composition remains identical to the solid. To fully understand the implications of this heating, consulting a phase diagram specific to the pressable ceramic is essential.

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bonestickz
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I'm currently looking into some dental material mechanics.

Material: Pressable ceramic powder
Melting range: 900-1000°C

If I were to heat it up to approx 1200°C, what would happen to it? Would it still be just molten form of the material?


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Some single phase materials melt congruently (i.e., the liquid composition is the same as the solid), others exhibit various other modes of melting. Consult a phase diagram of the material you are working with.
 

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