Monthly Tech-Tip | No tracking! No ads! |
Suddenly ware is coming out of your production kiln warped or cracked or off color. Unless the answer is obvious the first action should be to compare its drying and firing test data with past runs. If you are doing that as a routine then SHAB test bars (and the test result data they bring) will already be available. That data is a characterization of your clay body. The value of this kind of data-gathering becomes evident when a disaster happens (or better yet is prevented). Clay bodies have plasticity, dry performance, dry strength, fired density, fired shrinkage, fired strength, etc. If you have historical data (accompanied by firing schedules, recipes, etc) you have an invaluable tool. Where does one gather the data? In spreadsheets? No, in a database. An account at Insight-live.com is specifically intended for this.
Glossary |
Characterization
In ceramics, this normally refers to the process of doing physical or chemical testing on a raw material to accurately describe it in terms of similar ones. |
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Glossary |
Physical Testing
In ceramics, glazes, engobes and bodies have chemistries and physics. To fix, formulate and adjust their relative importances in each situation need to be understood. |
Tests |
Shrinkage/Absorption Test
SHAB Shrinkage and absorption test procedure for plastic clay bodies and materials |
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