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Post  Kat & Co. on Wed 26 Jun - 9:05

28cmd slightly sinister looking Octopus Cool
hhmm..I have been wondering if he is opaque glass or glaze..It looks like it maybe glass pieces..wouldn't the kiln heat for shino have damaged the glass surface more?...so probably it has been fired a second time at lower heat for the glass fusing me thinks..Very Happy
Octopus Plate- who made me? Better11
 

Octopus Plate- who made me? Octopu11


Last edited by Kat & Co. on Wed 26 Jun - 9:59; edited 2 times in total (Reason for editing : added better pic)
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Post  Ev on Wed 26 Jun - 9:10

Not sure that I've ever seen that mark before Kat.
I'm trying to work out how they got those lines for the legs using glass?
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Post  Kat & Co. on Wed 26 Jun - 10:18

They look consistant with how fused glass acts or pools.. 
I would have join all the gaps with frit (glass shards)..
I assume this potter thought the glass would flow more like glaze.cat
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Post  Cat-a-lat on Wed 26 Jun - 12:07

Just a thought, is it possible this is a recycled piece, i.e. the glass was applied later to the plate by a different person than made it?
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Post  Ev on Wed 26 Jun - 14:54

Hmmmm I'm not sure what Shino would do if fired in an oxidising atmosphere?
Doesn't it require reduction [and high temps] to go orange?  Perhaps the shino would go white if it was refired at a lower oxidising temp?  Heck I really can't work this one out !!
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Post  Kat & Co. on Thu 27 Jun - 9:26

The glass would move like this somewhere between 650-780F.
(Depending on if it is fusable or stained) Had to tell now its fired.
Is that cool enough, to not affect this high fired type glaze?
I'm quite keen to try same idea..Smile
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Post  Cat-a-lat on Thu 27 Jun - 9:34

I guess, if you have access to a glass kiln, then the best thing to do would be to find a piece of shino glazed pottery that is damaged in some way so it's no loss if it doesn't work, and fire it at that temperature (with or without glass) and see what happens.

My feeling is that once it has achieved its high-firing effect, that firing at a lower temp won't affect it.

Just not sure on the effects of oxidisation - but if chemical reaction has already taken place in the components of the glaze, I am thinking those substances would not be available to react in an oxidising firing -

I am no chemist/physicist though! A long time since high school science!
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Post  Ev on Thu 27 Jun - 11:48

That's a great idea Kat - to experiment yourself.
I only have experience with glass at high temps and it becomes very fluid then. I've seen glazes change colour dramatically in an oxidising firing after a reduction firing, but that is at higher temps than glass melts, so maybe that won't happen.
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Post  mumof1 on Fri 26 Aug - 15:42

This has been bugging me, it looks so much like Michael Lucas - do you think?
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