![]() ![]() ![]() Usually, the first crack is a long crack that goes right across the pottery glaze. If it happens shortly after unloading, you might actually get to see how the crazing pattern forms. Other times, the crazing might start once the kiln has been unloaded. So, occasionally you might notice that a network of cracks has formed even before the pottery has been taken out of the kiln. The pinging noise might sound innocent enough, but if you hear it, you know that there is a problem with the glaze. When pottery glaze crazes, it makes that ‘ping, ping, ping’ noise that you might have heard coming from freshly fired ware. If the crazing happens straight away, you might even hear it going on in the kiln before you’ve opened the lid. Sometimes crazing in pottery glaze happens immediately as the kiln cools down. Crazing in clear glaze over colored clay When Does Crazing Happen? But once your eyes have focussed on them, it’s hard to see anything else. Sometimes these cracks are so fine that you have to squint to see them. It all looks great until you look a little closer and spot a fine network of tiny cracks that have spread across the glaze. If you’re a potter, you probably know that heart-sink moment when you take a piece of pottery out of the kiln and hold it up to the light. But it can be harder to spot on newly made pottery. This is especially true of older ceramics where the cracks in the glaze have darkened over time. ![]() Sometimes crazing in pottery glaze is obvious. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |