Friday, November 28, 2008

just found my tickets

My second half of my second year has been a compact experience of knowledge, distractions, entertainment and enjoyment. I feel to have achieved a large body of work this semester and much knowledge, more of which was due to experience, trial and error.

I have learnt that no matter what precautions one may take, one must prepare themselves for the worst when they keep their work in the kiln and if it has blasted then no matter what happens to it, the worst hasn't happened. I have, to some extent learned not to love each piece that that I make to an extent where I either cannot critique it or see it crack or break.

I feel that an introduction into high fire and wood fire glazes has opened up to me an entire field that I was very hesitant about. It has made me love wood firing even more and every time I experience results of wood fired pieces I can't help but be amazed. I feel that due to the intensive wood firings that I have gone through, I feel I am capable of handling an entire wood firing however I feel I need to have done more readings.

Apart from all this I feel I am susceptible to distractions. I have realized that for me to work at my optimum I still need to learn to cope up with distractions and maybe try to express them in my work rather than not be able to work at all. I also feel that I could have done a lot better in some assignments and I had found myself wishing to have had more time for some assignments since they were so interesting but I felt I couldn't do them justice.

I had most enjoyed the totem pole assignment. I felt that was my best assignment this term despite the fact that it cracked entirely I also loved half of the naked clay assignment while its other half would be my weakest assignment. The assignment on the moulds was also very interesting but I had no time to think or to enjoy it as was the case with the naked clay project.

So overall, this semester and this year was a lovely year for me. I feel I have learned a lot from both the visiting and the permanent faculty in very contrasting ways and I feel I can approach them with much more ease then I could before. I have learnt to love my studio, the atmosphere, and the people I work with, since the day isn't complete until I do not have a brush of all of them.




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Naked clay







After application and firings:


(smoke/saggar firing)



































(gas fired)


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teabowls

bisqued, 900 degrees






















gas fired, 1240 degree, oxide application















smoke/saggar firing
















wood fired, 1280 degrees
(the semi porcelain has developed a slight blue tinge)























vessels

Bisqued 900 degrees:





Gas fired 1240 degrees, oxide application:











































Wood fired vessel and cup:


















clay bodies

CLAY BODIES:

White stoneware:


Before firing:

color

grey

shrinkage

none

warp age

hardly

plasticity

Good to work with and good for throwing

After firing:

color

White

Shirinkage

Hardly

Warpage

None

Maturing temperature

1280

porosity

0.5%

comments

Not suitable for wood firing, since it cracks. It is also not a good body for large pieces since they also crack.

Pure porcelain


Before firing:

color

White

shrinkage

None

warp age

hardly

plasticity

Difficult for throwing

After firing:

color

White

Shirinkage

Hardly

Warpage

None

Maturing temperature

higher

porosity

-

comments

Needs to reach 1300 for more for desired result

Semi porcelain


Before firing:

color

grey

shrinkage

None

warp age

hardly

plasticity

Fairly plastic

After firing:

color

White

Shirinkage

Hardly

Warpage

None

Maturing temperature

higher

porosity

-

comments

Needs to reach 1300 for more for desired result and has given a slight blue haze in wood firing




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Thursday, November 27, 2008

glaze tests

GLAZES:

some glaze recipies required the use of bone ash which is not availible here so fired and made bone ash myself.

The result of the firing is pure white bones, which i then curshed into a very fine powder in a blender. after adding it to the glaze, i milled the glaze for atleast 3-4hours.

Glaze Recipe

Success

Results / comments

TOMATO RED:

· Sodium feldspar

· Silica

· Whiting

· China clay

· Magnesium carbonate

· Bone ash

· + red iron oxide

yes

Does not achieve a red but it gives a good melt at cone 9 with a green

Glaze recipe

Success

Results / comments

MASHIKO:

· Sodium feldspar

· Silica

· Ball clay

· Wallastonite

· Talc

· Bone ash

· + red iron oxide

· + manganese dioxide

· + tin oxide

yes

Gives a good melt and a good brown where applied thin.

Glaze recipe

success

Results / comments

OILSPOT:

· Sodium feldspar

· Silica

· China clay

· Talc

· + red iron oxide

· +cobalt

yes

Gives a blue where applied thin on higher temperature, however, it also achieves a bottle green under same tests.

Glaze recipe

success

Results / comments

CLEAN CRACKLE:

· Sodium feldspar

· Whiting

· China clay

yes

Good melt and light crackles at 1280

Glaze recipe

success

Results / comments

RAANIA'S GLAZE 9

· Sodium feldspar

· China clay

· Wood ash – washed and sieved

no

Gave uncertain effects in all firings

Glaze recipe

success

Results / comments

CLEAR CRACKLE(308):

· Potassium feldspar

· Whiting

· China

· Flint

no


Glaze recipe

success

Results/comments

COOL CELADON(316):

· Potassium feldspar

· Whiting

· Ball clay

· Flint

· +red iron oxide

No

Higher melting point than cone 9

Glaze recipe

success

Results/comments

DAVID LEACH PORCELAIN GLAZE:

· Potassium feldspar

· China clay

· Flint

· Whiting

no

Did not melt in any glaze testing firings.

Glaze recipe

success

Results/ comments

RAANIA RED:

· Red clay

· Wood ash

no

Did not melt




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