Average Reviews:
(More customer reviews)This is not a recipe book or a catalog of glazes, nor is it a chemistry textbook. It focuses specifically on cone six oxidation (electrically-fired) glazes, with easy-to-understand charts of glaze properties, and simple explanations of the materials that create the different properties of glazes. This presentation allows the glaze creator to predict where any glaze they make may fall in terms of its firing properties, with particular emphasis on coefficient of expansion. This is an important factor in glaze design since it determines 'glaze fit': whether a particular glaze will craze or even cause cracking in the clay beneath it. This topic has seldom been explained with such clarity and simplicity.
Each broad type of cone six glaze (matte, glossy, low-expansion, porcelain, etc.) is discussed, and charted for comparison with other cone six glaze types. 'Special' glaze types are also mentioned, including Chun glazes, Bristol glazes, crystalline glazes and single-firing glazes for greenware.
Methods of calculating glaze formulas are reviewed in this book also, covering the conversion of a recipe to its unity formula and percentage analysis. Not an in-depth course in calculation, but a basic introduction for the novice, or a handy review for the more experienced (but not yet expert) glaze developer.
Recipes are given for each glaze type, but they serve less as suggestions for glazes to use than as typical examples for comparison. Colorants are discussed in a basic way, but are not the focus of this book.
Photos are given for each example discussed, featuring test tiles of each glaze arranged for easy comparison. Not many pictures of pretty pots here, just consistent, representative photos of glaze samples of the sort shown on the cover, and pictures of a few actual ceramic objects to demonstrate the appropriateness of various glazes in practice.
The appendix contains a useful chart of the chemical compositions of many common ceramic materials used in the US and UK (where the author resides).
This book is an excellent aid to making cone six glazes from scratch. It's not quite a 'start from zero' book, but a useful supplement to the standard studio-ceramics textbooks. Easy to understand, not scary, and does not presume an extensive chemistry or mathematics education, though a high-school-level background will be helpful. This is a book for the ceramist who has been using existing glaze recipes, but is now ready to find out how they work and to develop their own.
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Traditionally potters fired their work either at low temperatures, as for earthenware, or at the high temperature that stoneware requires. However, a growing number of potters, particularly those who use electric kilns, are firing to a middle-range temperature, of which cone 6 is typical. Using middle range temperatures saves fuel and expense, reduces wear on electric elements, and yet allows the potter to achieve features shared by earthenware and stoneware. Because of the popularity of this technique, pottery suppliers have recently begun developing clay bodies and glazes suitable for the temperature range.In Glazes Cone 6 Mike Bailey surveys the growing trend in middle-temperature firing and guides the reader by practical knowledge. He discusses a range of different glazes, including special effects, glaze stains, and underglaze colors, giving both recipes and tips for ensuring success.
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