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Structural Clay and Facing Materials, Fired Bond, Durability,…
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Fired Bond
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- results in a dense, strong body with significant shrinkage
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- fused phase forms a glassy matrix
3.porosity,water absorption :arrow_down:
Vitrification :arrow_right: gradual formation of a liquid glass that flows into and fills some of the pore volume
During firing :fire:
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:check:clay dehydrates,eliminate the hydrating water
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Durability
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poor design practice :arrow_right: allow adequate expansion joints for dimensional movements can cause failure
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Texture
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Methods
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Molding
forming wet, soft clay into a brick-shaped mold box
Extrusion
may be scratched, brushed, or otherwise roughened
