Elca Branman on tue 17 apr 01
I'm hoping someone who speaks glaze chemistry will answer this person's
questions.. Elca
--------- Forwarded message ----------
From: Sedat Akkurt
To: Elca Branman
Date: Tue, 17 Apr 2001 09:28:04 +0300
Subject: Re: glaze question
Message-ID: <3ADBE274.37BD17DD@likya.iyte.edu.tr>
References: <20010413.231706.-252125.1.elcab1@juno.com>
Dear Elca,
I have a Globar electric kiln capable of 1600C. I already made slip cast
bodies(coffee mugs) from a "continental porcelain" formula I got from
internet. I fired them to 1000-1100C and got a pretty good ware. Now I am
planning to formulate my own glaze by mixing the minimum number of
constituents that will fit my body. I want to use kaolin, ball clay,
silica,
feldspar, whiting, etc. I am wondering how I should approach the problem
of
creating the glaze from scratch.? There should be texts here in Turkish
but I
have not done a thorough search yet.
Bebek is like Beverly Hills of Turkey. What were you doing there? Own a
ceramic studio or something? Did you like it there?
Thnx
Sedat
Elca Branman wrote:
> How do you plan to fire the clay and to what temperature? The simplest
> firing is a sawdust or pit fire. If you are using an electric kiln,
> that is one type of firing, oxidation, and if you are firing in a kiln
> with an open flame(wood,gas or oil), that is a reduction firing.
>
> The temperature determines in part how to mix a glaze. and glazes are
> either low fire or hi-fire.
>
> There are several useful books that have that information and more,
which
> may or may not be available in Turkey.
>
> One I might suggest is "Hands in Clay,An Introduction to Ceramics" by
> Charlotte Speight.
> It was just reissued and updated and is used in most college course.
> That might be more than you want at this point; are there no texts in
> Turkish ?
>
> Also, you can search the Archives at Clayart once you know what
> temerature you will be firing to.
>
> Sorry not to be more helpful ; you might want to post your query to
> Clayart rathjer than to me personally...
>
> Elca Branman(with wonderful memories of our 2 years in Bebek, on the
> Bosphurus)
>
> On Fri, 13 Apr 2001 09:43:31 +0300 Sedat Akkurt
> writes:
> > Dear Elca,
> > I am a beginner hobby ceramist and I would like to know where to
> > start
> > to make the simplest of simple glazes? How can I formulate the
> > simplest
> > glaze?
> > thank you for your time
> >
> > sedat
>
> Elca Branman.. in Sarasota,Florida,USA
> elcab1@juno.com
>
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scott lykens on thu 19 apr 01
>.>
>
>make a grid to map your progress put half of your materials on top and
>half on side, now combine in percentage incriments, then fire after a wh=
ile
>youll understand just what you can do with what you have,
what i think i might do if i were in turkey,, Do you have access to turki=
sh
colmenite?? i would mix that up too, I think if what you listed is all y=
ou
are willing to use you may have a bit of testing to do before you find a
nice low fire glaze.
best luck
>I have a Globar electric kiln capable of 1600C. I already made slip cast
>bodies(coffee mugs) from a "continental porcelain" formula I got from
>internet. I fired them to 1000-1100C and got a pretty good ware. Now I a=
m
>planning to formulate my own glaze by mixing the minimum number of
>constituents that will fit my body. I want to use kaolin, ball clay,
>silica,
>feldspar, whiting, etc. I am wondering how I should approach the problem
>of
>creating the glaze from scratch.? There should be texts here in Turkish
>but I
>have not done a thorough search yet.
>Bebek is like Beverly Hills of Turkey. What were you doing there? Own a
>ceramic studio or something? Did you like it there?
>Thnx
>Sedat
>
>Elca Branman wrote:
>
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