Dunting In Ceramic

Dunting is a special type of crack which occurs from stresses caused during firing and cooling. There are 3 main reasons why cooling dunts occur. Dunting is cracking associated with too rapid a cool down of the kiln.

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It is the cracking that occurs in fired ceramic bodies as a result of a thermally induced stress and it is caused when a ceramic ware cools too quickly after it has been fired.

Dunting in ceramic.

The first occurs as you cool through the first silica inversion at 1063 degrees f. Dunting is a fault that can occur during the firing of ceramic articles. If the ware is glazed the glaze edges are sharp. Dunting is cracking associated with a very fast cool down of the kiln.

Heating dunts can be recognised by rounded. It is the cracking that occurs in fired ceramic bodies as a result of a thermally induced stress and is caused by a ware cooled too quickly after it has been fired although usually occurring during cooling dunts can also be caused by excessively fast heating rates. At these inversion points the structure of the silica molecules. It is the cracking that occurs in fired ceramic bodies as a result of a thermally induced stress and is caused by a ware cooled too quickly after it has been fired although usually occurring during cooling dunts can also be caused by excessively fast heating rates.

Heating dunts can be recognised by rounded. These stresses primarily occur during two critical points of firing called silica inversions which occur at 1063 degrees f 573 degrees c and 439 degrees f 226 degrees c. According to wikipedia dunting is a fault that occurs during the firing of ceramic articles. Dunting often exhibits itself as simple hairline cracks but ware can fracture into pieces.

They may be vertical horizontal or spiral. Dunting is a fault that can occur during the firing of ceramic articles. Dunting generally refers to cracking that occurs in ceramic ware as it is cooled in the kiln. The reasons for that cracking can be many.

These cracks appear as long clean body cracks with sharp edges. Most dunting however is caused in cooling.

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