Joyce Lee on mon 14 jun 04
ok
----- Original Message -----
From: "william schran"
To:
Sent: Monday, June 14, 2004 2:03 PM
Subject: Re: how to assess success of once-fired ware?
> Zsuzsa wrote:>In my last glaze load I included a glazed, bone-hard
> plate as a test to see
> if I could skip bisque firing to save some energy. There must be
> more to this, otherwise why do we all bisque all the time? Is there a
> difference in the integrity of the pot? How can I test it to assess the
> success? What am I missing? Or is this just beginner's luck?<
>
> In a one person studio it makes good economic sense to do "once
> firing", skipping the bisque. It does take so planning and extra care
> glazing the work. You must also make sure the organic materials all
> get burned out before the glaze begins to melt, otherwise you'll have
> problems. Do some research on raw glazing and see if it suits your
> purposes.
> Bill
>
>
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Zsuzsa Koltay on mon 14 jun 04
Hi all,
In my last glaze load I included a glazed, bone-hard plate as a test to see
if I could skip bisque firing to save some energy. I use cone 6 oxidation
glazes.
It came out looking pretty good - the color is a bit different and the
application seems a bit less even but otherwise reasonable. There must be
more to this, otherwise why do we all bisque all the time? Is there a
difference in the integrity of the pot? How can I test it to assess the
success? What am I missing? Or is this just beginner's luck?
Thanks,
Zsuzsa
william schran on mon 14 jun 04
Zsuzsa wrote:>In my last glaze load I included a glazed, bone-hard
plate as a test to see
if I could skip bisque firing to save some energy. There must be
more to this, otherwise why do we all bisque all the time? Is there a
difference in the integrity of the pot? How can I test it to assess the
success? What am I missing? Or is this just beginner's luck?<
In a one person studio it makes good economic sense to do "once
firing", skipping the bisque. It does take so planning and extra care
glazing the work. You must also make sure the organic materials all
get burned out before the glaze begins to melt, otherwise you'll have
problems. Do some research on raw glazing and see if it suits your
purposes.
Bill
Lee Love on tue 15 jun 04
william schran wrote:
> In a one person studio it makes good economic sense to do "once
> firing", skipping the bisque.
I am working toward this goal of single firing in the wood
woodkiln. The Shigaraki is easy because it is mostly unglazed.
But, I haven't thought it is practical for the resist and layered
glazing techinque I use with Mashiko Kaki, but David Hendley's article
in May CM gave me some clues.
In the past, I have only experimented with glazing bone dry
greenware, but it might be possible to do layered glazes with his
leatherhard method. Also, read this article for some ideas on
controlling the thickness of various types of glazes, according to what
state the ware is in when you go to glaze:
http://www.claytimes.com/AdjustingGlazes.htm
Adjusting Glazes for Application
By Pete Pinnell
--
Lee Love in Mashiko, Japan http://mashiko.org
http://journals.fotki.com/togeika/Mashiko/ Commentary On Pottery
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