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Member Since 03 May 2015
Offline Last Active Apr 20 2017 09:56 AM

#123374 Stoneware Clay Properties

Posted by terrim8 on 07 March 2017 - 02:42 PM

I used to walk by the engineering lab that did this sort of stuff, as in this article, and thought it was a snooze.  http://www.sciencedi...169131710003601Talk about boring. Making pots & glaze is lots of fun- pity the poor sods that are stuck in a lab measuring clay plasticity and writing tombes on the subject.

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#122828 New Crop Of Flutes. I Need Critiques

Posted by terrim8 on 23 February 2017 - 07:28 PM

I like the glaze on the 4rth one because it looks like soda fired flashing slip but I'm guessing that 5 will be more popular with a matte finish. It's the sound that matters most though, right?

#122721 Qotw: Are You Throwing Wearing Bling Bling?

Posted by terrim8 on 22 February 2017 - 02:00 PM

I can't wear things like rings or watches while working with clay or any kind of work. In fact there's a diamond somewhere in this basement- probably down a crack on the edge of the foundation somewhere and I've never found it. It was bling'd off while working with a sander and searching for 100 myo fossils in amber. I used to sit down here with a microscope and a bag of amber finding fossils and the amber had to be polished very well for micro-photography. Learned the hard way not to mix bling with work!

PS I found little feathers!

#122389 Lake Superior Agate, To Provide The Silica For Jun Glaze

Posted by terrim8 on 16 February 2017 - 09:31 AM

Wow! That is beautiful! Keep that recipe! You will appreciate it later but trying 

Grolleg will work too. You really will appreciate it later- put it in the kitchen or somewhere where you'll see it every day. By the way- that colour is one of the "in" shades this year according to my twenty something daughter.

#122111 Ceramic Wall Panel Heaters

Posted by terrim8 on 11 February 2017 - 01:50 PM

I stole my husbands dyson. Bought him an electric blanket in exchange. Now I have peace & quiet at night and warmth in my basement studio.





I had a lot to say about it costing too much then I stole it.

#121983 Thick Texture Slip

Posted by terrim8 on 09 February 2017 - 12:38 PM

Just tried this with two 50 ml samples of Alberta Slip. Added 1 tbsp of vinegar to one & 1 tbsp of sodium silicate to the other. That's a lot for just 50 ml samples but I wanted to see what would happen.  The vinegar worked better to thicken up this slip. There must be a lot of calcium carbonate in Alberta Slip - it really fizzed, then thickened up nicely. I'll leave the samples to sit around for awhile to see if sodium silicate just takes more time to work.

#121641 Hydrometer

Posted by terrim8 on 02 February 2017 - 11:32 PM

It will float vertically in the glaze mixture. You can read the numbers on the side just like a thermometer to compare to what your recipe instructs for specific gravity. Pick out a test tube or graduated cylinder after you get it- although I just use my glaze bucket directly. Specific gravity helps you determine how much water you need  in your glaze mixture. For most glazes, I'm usually lazy and mix my glaze with extra water, then sieve, and then wait a day or two for it to settle and then remove enough water from the top & mix it up good again. Instead of the hydrometer to get to the right density, I dip my hand in to see how much it coats my hand. 

You can find videos on you tube about using hydrometers.

I wonder how many people use them to mix glazes every time? Maybe its more important for production potters?

#121626 Qotw: What Inspires You In Your Work, And How Do You Incorporate It?

Posted by terrim8 on 02 February 2017 - 06:36 PM

Museums, galleries, using common materials (or uncommon) for different textures, constant experimenting to keep things interesting. Right now I'm making a lot of mugs for a specific purpose and that can get wearing but the new glazes I will use on them keeps me going.

#121585 Define Plasticity

Posted by terrim8 on 02 February 2017 - 10:40 AM


I don't totally agree with the argument that no ball clay = no plasticity. Fireclays and stoneware clays certainly have plasticity. Maybe not the same as ball clay, but they're way more plastic than kaolin.


I'm with that thought also. 


The best clay body I've ever used is from Japan... and there is no ball clay in that.   Mostly (90+%) it is a naturally occurring stoneware clay from 1/4 of a mile from where we are making pots, plus a little fireclay addition from Shigaraki.  The processing is the key to the amazing plasticity and strength.  Dug with heavy equipment, left outside in a pile to "age" for a year, run thru three separate blunging operations (first one screening out the bigger stuff), filter pressed, batch mixed in a blade type mixer, then pugged.


Feels nothing like any clay body I've used in the USA.  When you first touch it for something like wedging... you say "UGH!"  Grainy, soft, mushy, come to mind.  You'd swear that you'd never be able to work with it.  Then you put it on a wheel............






PS>  Fired to Orton cone 14.


Doesn't mean we couldn't find something like that here!  Sounds very interesting. Where exactly in Japan? The whole place is an island arc so its going to be some sort of volcanic derivative.  This sounds like fun except for the second part - finding out what the land regs are for any particular district here. You have to deal with that even at the small hobby level.

#121555 Define Plasticity

Posted by terrim8 on 01 February 2017 - 09:28 PM

Here's a picture of some plasticity.  Good glaze ingredients too!

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#121480 How To Achieve This Kind Of Marble Effect?

Posted by terrim8 on 30 January 2017 - 07:39 PM

I think it is 2 clays wedged together. Heavy on the black, light on the white, then maybe a black slip on the interior. Pretty sure it looks like a neatly metal or rubber ribbed surface.

#121262 To Blog Or Not To Blog ....

Posted by terrim8 on 26 January 2017 - 12:10 PM

I follow floriangadsby on instagram and his posts are so long they act like a blog. I think it looks like this form of pictorial blog has helped him. He has a huge following and has really capitalized on  what looks like John Britt's 1234 snowflake glaze!

#121211 Qotw: What Do You Do When You Temporarily Absolutely Cannot Do Clay Work?"

Posted by terrim8 on 25 January 2017 - 11:52 AM

Sounds like a theme- research & sketches. Get out of your clay comfort zone & research something totally new. Get better soon! I would need a serious research project to tame the frustration of not being "hands-on". Maybe taking some other field of endeavour and melding into the ceramic process?

#120921 Citizens Of Craft

Posted by terrim8 on 19 January 2017 - 08:49 PM

The Citizens of Craft event is a national Canadian program celebrating diversity and creativity in the crafts. This part of the event is being held at the Alberta Craft Council's Feature Gallery in Edmonton. 15 Alberta artists (including ceramic artists) are taking part and the exhibit runs from Jan.21 to April 22, 2017. 

Visit www.citizensofcraft.ca  and  www.albertacraft.ab.ca/feature-gallery


Alberta Craft Council

10186-106 Street,

Edmonton, AB

T5J 1H4

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#119608 Really, Really Basic Question

Posted by terrim8 on 01 January 2017 - 03:51 PM

Too bad about the Solvay process as this oven really needs cleaning & I'm lazy! Bisque bowl wasn't big enough for 2kg so cheap casserole it is. Now how many people in North America are slow roasting soda ash at 250F in their ovens right now? (besides Callie)

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