Prevent Warping Ceramics

Use the right clay body.

Prevent warping ceramics.

While both cracking and warping plague tiles plates and other flat pieces. For more technical detail on the factors contributing to clay memory and ceramic warping check out the september 2019 issue of ceramics. You may be wondering what exactly happens to clay when it is fired material first let s talk about the chemistry of clay. Porcelain is especially difficult to throw without warping.

Cracks particularly bottom cracks are more prevalent in bowls vases mugs and other upright pieces. Tiles and slabs will shrink while drying so use enough weight to hold them. This might require experimentation but some bodies just warp a lot more. Grog usually makes clay less likely to warp.

It explains the idea of clay memory and how this affects the ceramic piece both through drying and. The better you understand the technicalities of the process the easier it will be for you to prevent accidents such as cracking and warping. Clay is a natural. You may even want to build moats around the piece to ensure even drying.

Placing a second piece of plywood over the tile adds just enough weight to lightly compress the tiles and helps prevent warping. Enjoy the videos and music you love upload original content and share it all with friends family and the world on youtube. Cracking and or warping of pottery during drying or firing is a class of problems that frustrates almost every potter at one time or another.