What Is Crazing Ceramics

Crazing can be present in varying degrees.

What is crazing ceramics.

Crazed pottery or ceramics is not food safe as the cracks can harbour bacteria or germs. Crazing is a defect. The definition of crazing is a network of fine lines in the glaze. Divgradcurl getty images.

Crazing translates to fine cracks in the glaze or surface layer of porcelain wares. Sometimes items may have a couple of crazing lines on one side and not the other other times the crazing can look like a spider web and cover the entire item. Porcelain is a ceramic known for its toughness and durability. 7 8 in pottery a distinction is often made between crazing as an accidental defect and crackle when the same phenomenon often strongly.

Characterised as a spider web pattern of cracks penetrating the glaze it is caused by tensile stresses greater than the glaze is able to withstand. Crazing is the product of stress. This defect can be produced through several situations one of which is at the time of firing. A craze pattern can develop immediately after removal from the kiln or years later.

Crazing can be eliminated while making pottery if good quality clay is used. But if you are a collector for your own personal enjoyment then it just depends on how you feel about worth and crazing. This type of damage is caused by the difference in the contraction rate in the body material of an object compared to the surface layer. Crazing is a glaze defect of glazed pottery.

The amount it may affect the value depends on the extent of the crazing. It happens when a glaze is under tension. Sometimes occurs weeks or months later. Now if you are a collector and you want to insure your collection then a pr ofessional appraiser will most likely take crazing into account when giving you an insurance value.

However crazing or tiny cracks may show up over time and stains may set into the porcelain. Don t let crazing make you crazy. Crazing is a term used to reference fine cracks that can be found in the glaze of pottery or china. There are several simple techniques to clean antique porcelain.

We lakeside pottery know of cases where the pinging sounds of newly developed crazing lines go for many years. Crazing is a network of fine hairline cracks that appear on the glaze surface of a fired piece. Sometimes items may have a couple of crazing lines on one side and not the other other times the crazing can look like a spider web and cover the entire item. Glaze crazing or glaze crackle is a network of lines or cracks in the fired glazed surface.

There are two types of crazing immediate and delayed. Crazing can be present in varying degrees. Clay quality plays a vital role in pottery making. What is crazing delayed crazing on pottery.