For more about firing glass with pottery visit combining glass with pottery.
Ceramic pot making noise.
The effect in the top picture was accomplished by melting and fusing glass on the pot.
The effect on the bottom picture is by using a raku setup with a crackle white glaze that cracks by the rapid cooling before entering the reduction smoke chamber.
All of my uploads have a creative commons license.
Film youtube video etc.
I make sound fx for people to use in their projects.
It s a rather chaotic process and usually loud.
Every 15 mins to an hour they make a high pitched ping type of noise.
The mixture of temperatures causes stress on the pot.
I am offering this service.
That is the material had many defects in it s structure like the ones described in this wiki page and the heat from the water gave the structure enough energy to relax and heal them i ve witnessed a ceramic cup that started to make bell like noises when i poured myself a tea in it an.
I m not sure but it s possible that the ceramic material was relieving stress.
I am new to wheel thrown pottery.
I have 2 beautiful bowls that came out of the kiln several days ago.
The sound that s coming out of your pot is mostly due to boiling.
If you do this it can actually make the pot explode so always be careful.
Inside these bubbles are water vapor which rises to the top and pops.