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Questions tagged [ceramics]

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2
votes
1answer
45 views

Connect heated copper tube in PVC tube

I have a copper tube that I'm heating (quite a lot) with a torch, I have to connect a PVC pipe in the entrance of the copper and one in the exit (so water can flow through the copper pipe). The only ...
0
votes
2answers
89 views

Methods for cutting glass

I am trying to find the easiest way to cut a thick glass pattern (glass thickness of 1-3 mm thick) without breaking. I am considering laser cutting but I don't know if I can cut glass of this ...
1
vote
0answers
77 views

Is it possible to create a hard slick non-stick non-degradable substance? [closed]

I once read on a web page I can no longer find that corundum is a covalent network. I'm guessing that's because despite the fact that the electronegativity difference between aluminum and oxygen is ...
0
votes
0answers
16 views

What is the origin or the derivation of the differential equations as they relate to calcinating and cooling of minerals?

I have two systems of ordinary differential equations. One of them relates to calcination: $$-\frac{dH_b}{dx}=\frac{dH_b}{dz}=\frac{3}{4}\frac{\dot{V}\tan\theta}{\pi \omega}[R_i^2-(H_b-R_i)^2]^{-3/2} ...
2
votes
1answer
191 views

What material should I use to store molten metal?

I'm performing an experiment based on slag corrosion behavior of the refractory material. I need to store molten metal at $\approx$ 1600-1700 K for that. Specifically, I'm working on slag corrosion ...
0
votes
3answers
898 views

Is it safe to stand on a toilet bowl?

As most westerners know well, ceramic toilets are designed to be sat on, even by those who are quite overweight. However, since it's customary in Asian countries to squat when using the toilet, some ...
-1
votes
4answers
141 views

Use of ceramics in internal combustion engines - why and why not? [closed]

I have a question concerning if there is any automobile company that has mass produced ceramic engines? If not then why is that? I have tried searching but couldn't come up with any answers.
1
vote
1answer
21 views

Power from piezo material

Suppose there is a given piezoelectric material and under a given force it produces voltage $V$. If an external electric circuit is attached with load $R$, the current will be $I= V/R$. Also power ...
3
votes
1answer
601 views

What is the highest-temp castable refractory cement available?

I very much ruined 3 $10 diamond hole saws making this ceramic insulator out of a firebrick and Ryobi drill press. Drilling out the large core took 1-2 hours and a lot of arm strength. Therefore, I ...
2
votes
1answer
132 views

What's the most cost-effective cutter bit material that can be used to machine aluminum oxide?

Al2O3 is a hard, white material used for making firebricks and numerous molded ceramic parts. Say I had a firebrick, took a core out of it using a thick-walled diamond hole saw and a drill press. ...