How to make this pattern in a tile?

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The discussion centers on identifying the type of ceramic used in a restaurant table and the production methods for its intricate patterns. Participants suggest that the table may be made from a pressed composite material with a ceramic coating, potentially incorporating quartz or flint aggregates. The process likely involves embedding these materials in a powdered ceramic, firing, and then polishing to achieve a smooth finish. Concerns are raised about surface irregularities from the embedding process, but advancements in grinding technology, such as diamond grinders, are noted to make smoothing more efficient. The conversation encourages further research into commercial building supplies for more insights on manufacturing techniques.
Varadha
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Are you sure that's ceramic? From the picture, it looks more like some sort of pressed composite, possibly with a transparent ceramic coat...
I don't think that I can offer an informed opinion; I'd need to get my hands on it in person.
 
It looks like they embedded quartz (or is that flint) stone aggregate within a powdered ceramic material, fired it then polished smooth which also polished the aggregate faces to show some depth.
 
jambaugh said:
It looks like they embedded quartz (or is that flint) stone aggregate within a powdered ceramic material, fired it then polished smooth which also polished the aggregate faces to show some depth.

Uh, yeah, that's what I meant to say... :rolleyes:
 
jambaugh said:
It looks like they embedded quartz (or is that flint) stone aggregate within a powdered ceramic material, fired it then polished smooth which also polished the aggregate faces to show some depth.

Thank you. But, pressing large pieces(quartz or whatever) on a sintered ceramic will get irregularity in the surface right? Those protruding embedments have to be cut and do they use grinding wheels for that purpose? Isn't it a tiresome process?
 
Varadha said:
Thank you. But, pressing large pieces(quartz or whatever) on a sintered ceramic will get irregularity in the surface right? Those protruding embedments have to be cut and do they use grinding wheels for that purpose? Isn't it a tiresome process?

I think it is much less so with better available materials, silicon carbide, tungsten carbide, and diamond grinders and stone planers. I figure if they can cut and polish granite counter tops out of large quarry stones they can smooth down a cast ceramic much more quickly. But remember I'm extrapolating from a picture. Try web searching for commercial building supplies and seeing what you turn up.

Most companies are proud to educate the consumer as to their unique process, (short of giving away trade secrets).
 
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