Articles liés à Ceramic Chemistry

Ceramic Chemistry - Couverture souple

Stephenson, H. H.

 
9781406780901: Ceramic Chemistry

Synopsis

Ceramic chemistry is concerned chiefly with the reactions of silicates. It is complicated by the difference in conduct between body and glaze. In the latter, if properly matured, the chemical reaction between the constituents has proceeded to a finish, and the melt consists of a homogeneous mixture or solid solution of silicates and, it majj be, borates and phosphates, and any eutectics that may be formed. With the body, on the other hand, it is different. The firing is only conducted to incipient vitrification, if as high as that. The chemical reactions are not allowed to proceed to a finish. The chemistry of pottery is therefore, as far as the body is concerned, one of incomplete reactions. Consequently, the nature and condition of the raw materials are of im- are irrelevant portance in the body, while in the glaze they as long as the same ultimate composition is preserved.

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Présentation de l'éditeur

Modern Ceramics may be said to date from Brogniart (1770-1847). The predominance of the French chemists in the science of pottery during the early and middle parts of last century caused the word Ceramic to be transplanted into English and German. Seger and his colleagues then caused potters to turn their eyes to Berlin for a generation ;but there are not wanting signs that many of Seger sconclusions are being seriously questioned by the present school of ceramists. New vitality has sprung from the foundation of the American andE nglish Ceramic Societies and from the adoption of the science as a subject for degrees in many American Universities. That Ceramics is suitable for University study both theoretical and practical there can be no doubt. It is the natural means of transition from Geology to Chemistry, Mathematics, Physics, andE ngineering. No other subject unites those five sciences so intimately. If this book should promote the secondary and higher study of the subject in England, the writers aim will be accomplished. He wishes to express his indebtedness to the Transactions of theE nglish and American Ceramic Societies. H. H. S.
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