Ceramic Raw Materials

Ceramic Raw Materials

Institute of Ceramics Textbook Series

2nd Edition - January 1, 1982

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  • Author: W E Worrall
  • eBook ISBN: 9781483137612

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Description

Ceramic Raw Materials, Second Revised Edition points to the consideration that clay is the oldest ceramic raw material. The text outlines that clay can assume different forms in varying conditions and discusses the emergence of other materials that are now being considered as ceramic raw materials. The book presents a discussion on various raw materials other than clay, including silica, natural clays, and silicates such as kyanite, sillimanite, and andalusite. The text also presents an analysis of the composition of these materials, putting emphasis on their strengths and how different processes can alter these materials to form other materials. The varying properties of these materials in different stages are also discussed. The selection can serve as a reference to geologists who want to explore further raw materials other than clay, taking into consideration their potential uses. As clay and other related materials are discussed here, this book can also capture the interest of those involved in pottery and other related disciplines.

Table of Contents


  • 1.1 Introduction

    1.2 Silica

    1.2.1 Structure of Crystals

    1.2.2 Structure of Quartz

    1.2.3 Structure of Tridymite and of Cristobalite

    1.2.4 Conversions

    1.2.5 Inversions

    1.2.6 Other Forms of Silica (Amorphous Silica)

    Silica Gel

    Vitreous Silica

    1.2.7 Physical Properties

    1.2.8 Chemical Properties

    1.2.9 Occurrence

    1.3 Clays

    1.3.1 The Clay Minerals

    1.3.2 Structure of the Clay Minerals

    1.3.3 The Kaolin Group

    1.3.4 The Montmorillonite Group

    1.3.5 The Micas

    1.3.6 The Chlorites

    1.3.7 The Illites

    Structure

    1.3.8 The Physical Properties of the Clay Minerals

    Particle Size and Shape

    Specific Gravity

    Effect of Heat

    1.3.9 Clay-Water Suspensions

    1.3.10 Colloidal Properties

    Properties of Colloidal Suspensions

    Electrical Behavior of Colloidal Suspensions

    Distribution of Charges in a Colloidal Suspension

    1.3.11 Cation Exchange

    1.3.12 Stability of Colloidal Suspensions

    1.3.13 Deflocculants

    1.3.14 Soluble Salts

    1.3.15 Adsorption

    1.3.16 Application of Colloidal Theory

    Measurement of Concentration

    1.3.17 Casting-Slips ··

    Elementary Ideas of Flow Properties

    Flow Properties of Casting-Slips

    Measurement of Flow Properties

    Dilatancy

    Rheopexy

    Permeability to Water

    Dry Strength

    1.3.18 Plasticity

    Measurement

    1.4 Natural Clays

    1.4.1 Method of Calculation

    1.4.2 Errors in Rational Analysis

    1.5 Geology of the Clays

    1.5.1 Rocks

    1.5.2 Composition of Igneous Rocks

    1.5.3 Composition of Sedimentary Rocks

    1.5.4 Occurrence of Deposits

    1.5.5 Classification of Clays

    1.6 General Properties of the Clays

    1.6.1 Ball Clays

    Extraction

    Chemical Composition

    Particle Size Distribution

    Specific Surface Area

    Wet-to-Dry Shrinkage

    Dry Strength

    Base Exchange and Deflocculation

    Soluble Salts

    Fired Color

    Vitrification

    Plasticity

    Beneficiation of Ball Clay

    1.6.2 China Clay

    Extraction

    Composition

    Particle Size

    Plasticity

    Cation Exchange

    Deflocculation

    Wet-to-Dry Shrinkage

    Green Strength

    Fired Color

    Firing Shrinkage

    Vitrification

    1.6.3 Fireclays

    Extraction

    Composition

    Rational Analysis

    Particle Size Distribution

    Critical Moisture Content

    Dry Strength

    Deflocculation

    Refractoriness

    Firing Shrinkage

    Vitrification

    Fired Color

    Plasticity

    1.6.4 Building Clays

    Occurrence

    Composition

    Physical Properties

    Particle Size Distribution

    Deflocculation

    Working Moisture Content

    Firing Shrinkage

    Fired Color

    Vitrification

    Extraction

    Stoneware Clays

    Pipe-Clays

    Boulder Clays

    Bentonite

    Fuller's Earth

    1.7 Other Silicates

    1.7.1 Sillimanite, Kyanite and Andalusite

    Structure and General Properties

    1.7.2 Mullite

    Occurrence and Composition

    Structure

    Properties

    1.7.3 Steatite

    Structure

    Properties

    Uses

    1.8 Fluxes

    1.8.1 Definition of Fluxes

    1.8.2 Soda- and Potash-Bearing Minerals. The Feldspars

    1.8.3 Bone Ash

    1.8.4 Occurrence of Alkali-Bearing Minerals

    1.8.5 Physical and Chemical Properties

    1.9 Alumina

    1.9.1 Structure

    1.9.2 Occurrence

    1.9.3 Physical Properties

    1.9.4 Chemical Properties

    1.10 Other Refractory Raw Materials

    1.10.1 Magnesite

    Production of Sea-Water Magnesite

    Preparation of Natural Magnesite

    Structure of Magnesium Oxide

    Physical Properties

    Chemical Properties

    1.10.2 Dolomite

    Dolomite or Magnesian Limestone

    Structure

    Physical Properties

    Chemical Properties

    1.10.3 Chrome

    Structure

    Occurrence and Uses of Chrome Ore

    Physical Properties

    Chemical Properties

    1.11 Miscellaneous Materials

    1.11.1 Plaster of Paris

    Setting of Plaster

    Accelerators and Retarders

    Uses of Plaster

    1.11.2 Rutile (TiO2)

    1.11.3 Zirconia (ZrO2)

    1.11.4 Beryllia (BeO)


Product details

  • No. of pages: 116
  • Language: English
  • Copyright: © Pergamon 1982
  • Published: January 1, 1982
  • Imprint: Pergamon
  • eBook ISBN: 9781483137612

About the Author

W E Worrall

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