Just about everything melts or combusts at high enough temperature.
If clay is fired at the correct temperature for the type clay then it's called maturing the clay. It's like baking a cake. It's not batter anymore and it can't be made back into batter. Properly fired clay won't break down into mud again. The chemical nature is changed.
The particles of clay melt enough to bond them together then the pot is usually glazed and fired to an even higher temperature to melt the glass like glaze and bond it to the surface of the clay pot. Exact temperature is very important. Too little and you get an ugly pot with glaze that cracks off and too high and it can be a melted, warped mess.
Ceramic injection molding is similar to plastic molding. It uses a machine that heats ceramic at a very high temperature. It will melt it than it will heat it to make it stay.
There is really no set time on how long pottery need in the kiln. You just it to be at a certain temperature to get the effect like having it on low temperature to melt your glaze and some has to be on high to melt.
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when you bake or "fire" clay, it dries, and begins to melt, There are numerous complex chemical reactions that occure between the various subtances that make up the clay. Depending on the type of clay and the temperature to which it is fired it may be called earthenware, stoneware or porcelain, which are all types of ceramic.
It would depend on how hot the fire gets. If the fire burns really hot then the clay can actually melt and slump. I've seen wood firings where several pots were fired too hot and melted to the kiln shelf. It also depends on what kind of ceramic material is being burned. Stoneware can stand up to much higher temperatures than earthenware clay. But, I would say that if the whole house was left to burn with no interference then ceramic would not survive the fire no matter what type of ceramic it is.
Ceramic injection molding is similar to plastic molding. It uses a machine that heats ceramic at a very high temperature. It will melt it than it will heat it to make it stay.
Yes you can melt it. But you want a high temperature.
It does melt.
When you get to a high enough temperature.
Yes.
The rocks don't melt because they are under tremendous pressure. High pressure raises the temperature needed to melt something.
The adhesive starts to melt in the high 90's
Yes if you put it on a high temperature.
The metal will melt if you do that.
The only things that won't melt at high temperature are those that decompose first. For instance, wood will burn long before it melts! Many many things decompose at high temperatures before they melt. If it doesn't decompose first, everything will eventually melt.
Rock exposed to very high temperature and pressure will soften or melt.
Because it is exposed to high temperature, but not enough to melt it.