What Is Crazing Ceramics

This defect can be produced through several situations one of which is at the time of firing.

What is crazing ceramics.

Crazing translates to fine cracks in the glaze or surface layer of porcelain wares. Glaze crazing or glaze crackle is a network of lines or cracks in the fired glazed surface. There are several simple techniques to clean antique porcelain. Don t let crazing make you crazy.

Crazing can be present in varying degrees. Crazing is a term used to reference fine cracks that can be found in the glaze of pottery or china. Crazing is a network of fine hairline cracks that appear on the glaze surface of a fired piece. It happens when a glaze is under tension.

Divgradcurl getty images. Crazing can be present in varying degrees. Crazing is a glaze defect of glazed pottery. Clay quality plays a vital role in pottery making.

Porcelain is a ceramic known for its toughness and durability. There are two types of crazing immediate and delayed. But if you are a collector for your own personal enjoyment then it just depends on how you feel about worth and crazing. 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.

We lakeside pottery know of cases where the pinging sounds of newly developed crazing lines go for many years. 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. The definition of crazing is a network of fine lines in the glaze. 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.

Crazing is a term used to reference fine cracks that can be found in the glaze of pottery or china. Sometimes occurs weeks or months later. Crazing can be eliminated while making pottery if good quality clay is used. A craze pattern can develop immediately after removal from the kiln or years later.

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 the product of stress. What is crazing delayed crazing on pottery. The amount it may affect the value depends on the extent of the crazing.

However crazing or tiny cracks may show up over time and stains may set into the porcelain. So without further talking about crazing let s know why and how crazing of dishes takes place. 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. 7 8 in pottery a distinction is often made between crazing as an accidental defect and crackle when the same phenomenon often strongly.