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Structure and Properties of Conventional Ceramics

  • Murat Bengisu
Part of the Engineering Materials book series (ENG.MAT.)

Abstract

The basic difference that sets engineering ceramics apart from conventional ceramics is that engineering ceramics are composed of a single phase (e.g. A12O3, ZrO2, Si3N4) or only a few phases (e.g., MgO-Al2O3, Y2O3-ZrO2, Na2O5Al2O3), whereas conventional ceramics are typically mixtures of many phases. This difference comes from the origin of both types of ceramics; engineering ceramics are usually products of an artificial process whereas conventional ceramics are made of natural minerals. The crystal structure of an engineering ceramic is usually relatively simple, the microstructure is much finer than conventional ceramics, the impurity level is typically low, and the properties are thus better controlled. Conventional ceramics have complex structures and the constituent phases may vary from one region or time to another due to the diversity of the raw materials used; thus the properties are much more difficult to control. Conventional ceramics include triaxial whiteware compositions, cement and concrete, refractories, structural clay products, glasses, glazes, enamels, and abrasives. To better understand the difference between technical and conventional ceramics, the production and some properties of important conventional ceramic classes are briefly discussed here. The structure of glasses was discussed in Sect. 1.4 and will not be repeated in this chapter. Information on refractory ceramics and abrasives can be found in Sects. 6.2 and 6.3.2, respectively.

Keywords

Portland Cement Firing Temperature Thermal Shock Resistance Molten Glass Calcium Aluminate Cement 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2001

Authors and Affiliations

  • Murat Bengisu
    • 1
  1. 1.Department of Industrial EngineeringEastern MediterraneanFamagusta TRNCTurkey

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