[Clayart] tony's metaphor tangent - cornwall stone vs custer, mega-pinholes

Edouard Bastarache edouardb at colba.net
Tue Mar 11 19:22:34 EDT 2014


Hello Hendrix Taylor,

how do you justify his explanation when the pinholing occurs
on only one side of the pot as it was described in the first mail
of this thread?
I rather suspect a heat transfer problem or the pot was stacked
to close to a heat source.

Plejkore,

Edouard Bastarache
Spertesperantisto

Sorel-Tracy
Quebec

http://edouardyoutube.blogspot.ca/
http://www.flickr.com/photos/30058682@N00/
http://glazeblogs.blogspot.ca/
http://bookslivreslibroj.blogspot.ca/









----- Original Message ----- 
From: "Taylor Hendrix" <wirerabbit2 at gmail.com>
To: "Clayart posting" <clayart at lists.clayartworld.com>
Sent: Tuesday, March 11, 2014 5:53 PM
Subject: Re: [Clayart] tony's metaphor tangent - cornwall stone vs 
custer,mega-pinholes


>I will try to find his lecture online when I return to Texas. Should be
> available from the Asheboro Arts Guild website soon.
>
> The main point is that he believes the major root cause of pinholing is
> bubbles trapped in applied glaze resulting from poor wetting of certain
> glaze constituents. Those bubbles, while obscured by the surface of the
> unfired glaze, becomes apparent when the glaze volume decreases at 
> maturity.
> On Mar 10, 2014 12:28 PM, "David Woof" <woofpots at hotmail.com> wrote:
>
>> Drum roll as the lights go down, foot lights center stage, Taylor enters,
>> expectant hush, will Taylor speak?  aaah......
>>
>> Woof
>>
>> > From: vpitelka at dtccom.net
>> > To: clayart at lists.clayartworld.com
>> > Date: Mon, 10 Mar 2014 08:46:00 -0500
>> > Subject: Re: [Clayart] tony's metaphor tangent - cornwall stone vs
>> custer,    mega-pinholes
>> >
>> > Taylor Hendrix wrote:
>> > "Eddy, heard a very interesting lecture by a ceramics engineer from
>> Alfred,
>> > Bill Carty. An interesting take away was his finding for the underlying
>> > cause of pinholes. Not outgassing, not dirty bisque. Interesting."
>> >
>> > Yes . . . go on . . .
>> > - Vince
>> >
>> > Vince Pitelka
>> > Appalachian Center for Craft
>> > Tennessee Tech University
>> > vpitelka at dtccom.net
>> > http://iweb.tntech.edu/wpitelka/
>> >
>> >
>> >
>> >
>> > _______________________________________________
>> > Clayart mailing list
>> > Clayart at lists.clayartworld.com
>> > http://lists.clayartworld.com/cgi-bin/mailman/listinfo/clayart
>> >
>>
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>>
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