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Raku:
A Japanese word freely interpreted as "enjoyment".
(Frank and Janet Hamer - The Potter's Dictionary).
Making pots and
firing them using the Raku method has an immediacy which can be both
freeing and thrilling. The pots are warmed to drive off any
moisture remaining in the body of the pot after glazing, and before
being placed into the chamber of the kiln at the glaze's top
temperature, usually around 1,000°C. The pot is left in the kiln
until the glaze has melted, lifted out and placed either into a
container of combustible materials (usually sawdust) or being plunged
into water. The whole process, from glazing to cleaning the pot
under the tap, taking around one hour.
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Applying the
glaze |
Warming in the
oven |
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Firing the pots |
"Cooling"
in sawdust |
Pots for Raku
firing are made from very coarse clay, enabling them to withstand the
huge thermal shock which this method of firing and cooling
demands. This coarseness, and the after-firing treatment of the
pots dictates the way in which Raku pots and their decoration are made
and applied. Pots should be freely thrown and finished, and the
decoration allowed to "live" rather than being
"controlled". This doesn't mean that pots are clumsy and
decoration random, but rather that the entire technique and original
meaning should be reflected in the finished piece.
Some of Japan's
most famous "tea ceremony" wares are in Raku, and examples can
be seen in museums around the world, although the best and most
treasured remain in Japan.
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