January 2010

Thursday, January 28, 2010

Difference Between Chenille And Velvet?

Ceramic Mural

I've been doing tests with slips from a month ago or so, before risking a piece prefer to play and play by making samples and behold the results. I prepared about 100 grs. each formula. Yesterday I opened the oven after the samples give a coat of polish to see how they were and here are the results, some good, some awful and some more or less passable. Definitely with leaded glaze is the best way were (pictured left) and with two coats of slip, it was also honing alone.

If the photo has two plates (or tiles) the above has only one hand to slip (that's why you notice the strokes) and the bottom two coats of slip, the second hand because the average hour after application of the first.

In the second tile of the photo, left only see the burnished slip (Bruni just that little part, which glaze would not), then an alkaline glaze, a satin or matt (is clear) and a leaded glaze (far right of each tile). Here

slips formulas:

White Clay Tinker

70 20 10 feldspar quartz 10 Flux alkaline (alc.)

White
plumbic: 70 Clay Tinker
quartz
30 leaded flux
15 (pb.) (no variation with a or other flux)

Yellow: 80 clay tinker

20 ox. zinc or zinc yellow pigment 20 20 flux pure alc.

Ocre: 60 clay

tinker quartz
26 13 Pb flux. Ocher pigment
8

Ocre 2: Clay Tinker

70 15 Ox. zinc or zinc 4 Iron Ox Ox 6. copper flux
15 alc.
why should stay that way? (I mess when error enamel on both sides with leaded and in the middle with satin).

with failure:
there is saturation of copper. I must lower the% of the rust and re-do a sample. 3% Cu how to walk??

Arena: 70 Clay Tinker

Cuaz
10 15 Ox. Zinc Ox 1. iron flux
15 alc.

Salmon
Clay Tinker

70 30 0.5 Ox quartz. iron flux 20 alc.

Red 38 ** 60 Clay Tinker

quartz
26 38 ** 15 red pigment flux 13 bp.
It is pink, not insist. the upper Taselaar bath has a transparent red enamel. and there as it improved the thing.

Red 39 ** 61 Clay Tinker

quartz
26 39 ** 15 red pigment flux 13 bp.
remains pink. the top tile has a transparent red enamel bath.

Brown:

70 Clay Tinker (white) quartz
30 10 10 flux brown pigment. alkaline.

Light green: 60 Clay Tinker

26
quartz 8 green pigment victory ** 13 pb flux.

Moss Green:

clay tinker
70 30 3 quartz chromium oxide Flux LAC 30.

Celeste Cielo:

clay tinker
70 15 zinc oxide a cobalt oxide flux 15 LAC.

Blue Sky: Clay Tinker

70 15 Ox. Zinc 3 Ox. cobalt flux 15 alc.

Turquoise: Clay Tinker

70 30 10 quartz pure turquoise pigment flux 15 alc.

Blue oil: clay Tinker

61 26 10 quartz blue pigment (az.60 **) 13 pb flux. Brushed and enamel
Pb out well (edge). (Instead of glaze I put flux alc. And Pb "test" and a disaster the result (center)

Gunmetal: 70 Clay Tinker

20 calcium carbonate 10 feldspar 3 cobalt-free black pigment flux **
15 bp.
(repeat sample was good, but lacked the sympathetic mortereo and stayed with darker spots)

Black: Red Clay

70 25 15 oxide quartz 3 manganese cobalt oxide flux
30 alc. (Went wrong with 30%) -
lower the flux to 20% *

* (formula, it went wrong, when I took it out of the oven the first time the slip was perfect, glazing and firing in the second came the slip burnished all bubbled, enamels Alc. and Pb. burned and bubbly mate, but the public as well as one learns from mistakes. I'm going down for the next shows the flux to 20% and see.
Already The issue is that no previously calcined manganese! and tends to bubble. Just go down the flux to 20%.

And here the trouble that I do, are just samples jjajjajajaj!

* Some formulas were taken from the book of F. Chiti, which are for sale in

Foundation, directly from the publisher and so cheap that even justifies them out photocopies.
(** and is listed this pigment in the house growing up) gtbTranslateOnElementLoaded
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can not. the fault of the "flu" that we have missed several classes and that delayed us, but through we come on and everything, but man proposes and the flu has ... Oh God! good experience.

Difference Between Chenille And Velvet?

Ceramic Mural