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Books Bücher 1 - 7 von 7 in The cracking of some fine-grained clays in drying is due partly to the surface shrinking...
" The cracking of some fine-grained clays in drying is due partly to the surface shrinking more rapidly than the interior, because the evaporation there is greatest. As the outer portion of the product cannot stretch, it must pull apart and crack. Fire... "
Final Report - Seite 93
von New Jersey Geological Survey - 1904
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Bulletin, Ausgaben 1-3

Virginia Division of Mineral Resources - 1905
...sometimes absorb considerable water, especially if they are silty in their character, but the fact lhat their pores are much coarser allows the water to escape...amount depending partly on the quantity of volatile element?, such as combined water, organic matter and carbon dioxide present in the clay, and partly...
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Bulletin

Wisconsin Geological and Natural History Survey - 1906 - 259 Seiten
...and thus often permits more rapid drying. The cracking of some fine-grained clays in drying is due to the surface shrinking more rapidly than the interior...some stage of the burning operation even though they sometimes expand slightly at certain temperatures (calcareous and many siliceous clays). The fire shrinkage,...
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Bulletin

1906 - 259 Seiten
...comparing the physical tests of the clay and brick mixtures given on the later pages. in drying is due to the surface shrinking more rapidly than the interior...some stage of the burning operation even though they sometimes expand slightly at certain temperatures (calcareous and many siliceous clays). The fire shrinkage,...
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Bulletin

1906 - 259 Seiten
...and thus often permits more rapid drying. The cracking of some fine-grained clays in drying is due to the surface shrinking more rapidly than the interior...some stage of the burning operation even though they sometimes expand slightly at certain temperatures (calcareous and many siliceous clays). The fire shrinkage,...
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The clays of Wisconsin and their uses, Ausgabe 15

Heinrich Ries, F. L. Gallup - 1906 - 259 Seiten
...comparing the physical tests of the clay and brick mixtures given on the later pages. in drying is due to the surface shrinking more rapidly than the interior...some stage of the burning operation even though they sometimes expand slightly at certain temperatures (calcareous and many siliceous clays). The fire shrinkage,...
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The Clay Deposits of the Virginia Coastal Plain

Heinrich Ries - 1906 - 184 Seiten
...evaporation there is greatest. As the outer portion of the product cannot stretch, it must pull apart aiid crack. Fire shrinkage. — All clays shrink during...temperatures. The fire shrinkage varies within wide linJts, the amount depending partly on the quantity of volatile element', such as combined water, organic...
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CLAYS, THEIR OCCURRENCE, PROPERTIES AND USES WITH ESPECIAL REFERENCE TO ...

Heinrich Reis - 1908 - 554 Seiten
...but it was accompanied by a loss in the tensile strength of nearly 40 per cent. Fire-shrinkage. — All clays shrink during some stage of the burning...they may expand slightly at certain temperatures. The fire-shrinkage, like the air-shrinkage, varies within wide limits, the amount depending partly on the...
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