Crawling Ceramics Definition

A ceramic glaze fault that occurs during firing of the ware islands of glaze form as it crawls leaving bare patches of body.

Crawling ceramics definition.

It happens when a glaze is under tension. Glaze crazing or glaze crackle is a network of lines or cracks in the fired glazed surface. Crawling is where the molten glaze withdraws into islands leaving bare clay patches. A craze pattern can develop immediately after removal from the kiln or years later.

Crawling a bare spot from the shrinking of a glaze on a finished piece where oil or grease prevents the glaze from adhering to pottery. She was going to. 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. To advance slowly feebly laboriously or with frequent stops.

Crawl 1 krôl intr v. If this does not work other steps can be taken to identify and eliminate the problem. Crazing is a glaze defect of glazed pottery. We crawled along in traffic until we reached the highway.

The baby crawled across the floor. Damper a slab of refractory clay that is used to close or partially close the flue of a kiln. The edges of the islands are thickened and smoothly rounded. To proceed or act servilely.

To move slowly on the hands and knees or by dragging the body along the ground. Crawling occurs when the unfired glaze and the underlying clay body do not build and hold a uniform continuous bond. Often the simplest solution is a thinner application. Look it up now.

What is crazing crackle and how to stop it. Crawling wordreference english dictionary questions discussion and forums. In moderate cases there are only a few bare patches of clay in severe cases the glaze forms beads on the clay surface and drips off onto the shelf.