Dissemination of IT for the Promotion of Materials Science (DoITPoMS)

DoITPoMS Micrograph Library Micrograph 177 and full record

Micrograph 177 and full record

Link to image file for micrograph 177
Micrograph no
177
Brief description
Terracotta pottery
Keywords
ceramic Link to MATTER Glossary entry for ceramic, clay, grog, terracotta
Categories
Ceramic
System
Terracotta
Composition
Terracotta is composed of mixtures of fired grog and clay.
Standard codes
Reaction
Processing
Applications
Flowerpots, roof tiles, ornaments and sculptures, and other outdoor uses.
Sample preparation
Polished but unetched
Technique
Reflected light microscopy
Length bar
200 μm
Further information
Terracotta can be made in large shapes due to the fact that a large part of the raw materials has been prefired, so firing shrinkage is low. The characteristic red colour is due to the presence of iron (II) oxide.
Contributor
Dr K M Knowles
Organisation
Department of Materials Science and Metallurgy, University of Cambridge
Date
09/08/02
Licence for re-use
Attribution-NonCommercial-ShareAlike 4.0 International
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