Define Crawling In Ceramics

Ceramics of a glaze to spread unevenly over the surface of a piece.

Define crawling in ceramics.

Movement of glaze over the body surface during the gloss firing stage due to dust or grease on the surface or over application of the glaze or excessive colloidal material in the glaze. We crawled along in traffic until we reached the highway. Crawling wordreference english dictionary questions discussion and forums. Damper a slab of refractory clay that is used to close or partially close the flue of a kiln.

Suspension in ceramics glazes are suspensions. The glaze should have rounded edges where it has drawn away from the exposed clay body. If the clay body has a high absorption rate over 4. Of paint to raise or contract because of an imperfect bond with the underlying surface.

Although crazing is considered a glaze defect it can also be corrected by adjusting the clay body. The hut crawled with lizards and insects. Overrun with crawling things. A condition where glaze separates into clumps or islands during firing leaving bare clay patches showing in between.

Crawling is characterized by the appearance after firing of generally irregularly shaped bare or almost bare patches of the underlying clay body surrounded by a somewhat thicker outline of the glaze shown in the images below. Crawled crawl ing crawls 1. You have much more control over the properties than you might think. To advance slowly feebly laboriously or with frequent stops.

An intentionally crazed or cracked effect on art pottery emphasized by rubbing colouring matter into the cracks and re firing the ware. To proceed or act servilely. 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. The baby crawled across the floor.

A glaze adjustment might not be possible if it is under so much tension that there is no room in the recipe for correction. To move slowly on the hands and knees or by dragging the body along the ground. Crawling a ceramic glaze fault that occurs during firing of the ware islands of glaze form as it crawls leaving bare patches of body. The bared patch can be quite dry or slightly shiny.

Glaze crawling can have many possible causes but in most cases you can try a few solutions simultaneously to eliminate the problem. Crawl 1 krôl intr v. Look it up now. First make sure the problem is actually crawling and not another defect.