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Revealing Glazes

Using the Grid Method

Ian Currie

From the author of "Stoneware Glazes - A Systematic Approach"... a new book in which the recipe-based grid method is laid out fully for the first time.

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About

About

About the Book

From the author of "Stoneware Glazes - A Systematic Approach"... a new book in which the recipe-based grid method is laid out fully for the first time.

For the beginner keen to know how glazes work and for the experienced ceramic artist, this book takes one through the method in clear language.

Without the need for complicated maths or chemistry it provides deep inssights to fundamental glaze principles while revealing exciting new glazes.

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Fine Arts

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Author

About the Author

Ian Currie

Contents

Table of Contents

Introduction

  1. What is a Glaze?
  2. Ian Currie’s Blue-in-the-Face Chemistry Course.
  3. Raw Materials
  4. An Approach to Studying Glazes
  5. Origins
  6. Some Standards
  7. Extending the Range

1 Gradients and Variables

  1. The Holy Grail
  2. Isolating Variables
  3. Line Blends
  4. Biaxial Blends
  5. Blending and Trending - A Puzzle

2 Outline of the Grid Method

  1. The Standard Grid
  2. Starting Point
  3. Varying Alumina and Silica
  4. The Standard Recipe Grid (base glazes)
  5. Working out the Flux Material Breakup
  6. One Glaze Recipe Explains the Whole Set
  7. Colourants and Opacifiers in the Standard Grid
  8. Revealing Glaze Principles

3 Choosing a Starting Point

  1. 1. Example Sets
  2. Glaze C Recipes
  3. 2. Rules of Thumb for Choosing a Flux Set
  4. Broad Principles
  5. Table - List of Flux Materials
  6. Advanced Principles
  7. Divine Joke
  8. Notes:
  9. 3. Family Set
  10. To get Glaze C:
  11. Example
  12. Unusual Clays
  13. Developing the Set Further
  14. 4. Random Choice

4 Working Out the 35 Glaze Recipes

  1. 1. Using the Calculations Page at the web site.
  2. 2. Using the Flux Breakup Tables
  3. The Recipe Table
  4. 3. Using the Recipe Grid Diagram.
  5. 4. Glaze Calculation Software

5 A Guided Tour

  1. Isolating Variables
  2. Standard Limestone Set (The 0.7 Limestone Set)
  3. Corner A - High Alumina
  4. Corner B - Low Flux
  5. Corner C - High Flux
  6. Corner D - High Silica
  7. Magnesia Glazes
  8. Strontium Glazes
  9. Barium Glazes
  10. Zinc Glazes
  11. Feldspathic Glazes
  12. Alkaline Glazes
  13. Volumetric Addition
  14. Clay Body and Firing
  15. Using the Grid
  16. Family Set
  17. Exploring the Limits

6 Preparing, Firing and Assessing a Grid Set

  1. Glaze Preparation - Volumetric Blending
  2. 300 gram Batch Recipes
  3. Preparing the Four Glazes
  4. Blending to Produce the 35 Glazes
  5. Precautions in the Preparation Stage
  6. Applying the Glazes to the Grid Tiles
  7. Adjusting Water Content
  8. ID
  9. Layout
  10. Glaze Application
  11. Tips:
  12. Applying Colouring Oxides (Optional)
  13. Firing the Grid Tiles
  14. Firing Type
  15. Virtually Identical Firing Conditions
  16. Bring out the Differences
  17. Assessing the Results
  18. Assessing Glaze Fluidity from the Grid Tiles
  19. Dealing with Runny Glazes
  20. The Next Step
  21. Unusable or Dangerous Glazes

7 Volumetric Addition to a Set

  1. A new set of glazes with very little effort
  2. Method
  3. Summary
  4. Quantities
  5. Addition Procedure

8 Using the Grid Method with Natural Materials

  1. Origins
  2. Flux Material
  3. Wood Ashes
  4. Rock and Mineral Materials
  5. Alumina Sources
  6. Clays
  7. Alumina etc.
  8. Silica Sources
  9. Quartz, Silica, Flint
  10. Opal
  11. Using Natural Materials in a Standard Recipe Grid.

Appendices

  1. Appendix 1 Equipment and Materials
  2. List of Equipment and Materials
  3. Glaze Materials
  4. Making Grid Tiles
  5. Appendix 2 Safety and Health
  6. My First Glaze - A cautionary tale
  7. Legal Obligations
  8. Hazards from Raw Materials
  9. Non-poisonous Materials
  10. Utilitarian Risk
  11. Children
  12. Occupational Health and Safety Resources
  13. Appendix 3 Useful Maths and Chemistry
  14. Reading a Chemical Formula
  15. Some Raw Materials
  16. Three Ways to Look at a Glaze
  17. Recipe
  18. Oxide Weight %
  19. Seger Formula
  20. Comparing Recipe and Seger Formula for 3 Standard Recipe Grids
  21. Reformulating Glazes
  22. Chemically Identical Glazes from Different Materials
  23. Essential Maths
  24. Percentages
  25. Percentage Calculation:
  26. Ratios and Proportions
  27. Volumetric Addition to a Set
  28. Loss on Ignition - Calcining Calculations
  29. Calculating L.O.I.
  30. Calcining Calculations
  31. Appendix 4 The Recipe Table and Flux Breakup Tables
  32. 1. The Recipe Table
  33. 2. Flux Breakup Tables

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