Formación y eliminación de burbujas en vidriados cerámicos
Source abstract
Abstract
espanolEn este trabajo de revision se exponen los defectos mas frecuentes debidos a burbujas que aparecen en los vidriados ceramicos. Tambien se describen las principales causas de formacion de burbujas. Se trata a continuacion de los sitios en que preferentemente se forman las burbujas tales como aristas vivas, superficies rugosas, pequenas particulas ocluidas en la matriz vitrea, etc., y se discute la dinamica de las burbujas en relacion con el espesor y la posicion del vidriado y con la porosidad del soporte ceramico que se trata de vidriar. Despues de unos comentarios sobre el problema general de los defectos originados por burbujas se da una serie de consejos practicos para obtener vidriados exentos de burbujas mayores de 80 i.i, que son las visibles por el ojo humano. EnglishIn this review paper a description is made of the most frequent defects due to bubbles which appear in ceramic glazes. The main causes of bubbles formation are also described. The preferential sites where bubbles tend to be formed (sharp edges, rough surfaces, small particles occluded in the glassy matrix, etc.) are listed, and a discussion is made of the dynamics of bubbles in relation to the thickness and position of the glaze and to the porosity of the ceramic body being glazed. After a discussion of the general problem of defects caused by bubbles, a number of practical recommendations are given to obtain glazes free from bubbles greater than 80 ii, which are visible to the human eye.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Archaeological and Historical Studies
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