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Knowledge Areas
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Focussing On ...
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| Raw
Materials |
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Source
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Minerology/Geology
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Heating
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Health
& Safety.
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Raw
material sources & types
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Relationship
between clay and glaze.
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Experimenting
with material melts.
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A
heirachy of materials complex to simple.
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Frits
- manufacture, classification, melt characteristics.?
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| Glaze
Chemistry |
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Notation? Elements
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Atoms
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Molecules
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Compounds
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Chemical
Reactions
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%
oxide analyses
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Seger
Formulae
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Chemical
toxins
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Chemical
notation
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Relationship
between elements, atoms, molecules & compounds.
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Theoretical
glaze structure - flux, modifier' glass former.
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Principles
of unity formula.
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The
glaze triangle - balance of flux to Al Si
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Imbalance
in the glaze triangle.? Oxides - role in glaze melt - toxicity
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Non-chemical
factors effecting glaze quality - atmosphere, particle size
etc.
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Clay
/ glaze interface.
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Colouring
oxides examined.
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Influence
of base glaze & atmosphere on colour
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Clay
/ glaze relationship
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significance of the Al2O3 : SiO2 ratio
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Formula
to Recipe calculations
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| Glaze
Practice |
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Mixing
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Application
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Firing
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Assessing
tests.
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Mixing
Blends
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Kiln
Atmosphere
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Health
& Safety.
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Use
of individual test tiles
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Weighing and sieving test samples
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Firing samples & assessing results
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Translating
sample to batch recipes
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Weighing
and sieving bulk recipes.
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Safe
practice in handling dry & wet materials
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Volumetric
blending techniques
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Mixing
Line blends.
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Dipping
& spraying
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Measuring
work/heat. Cones - development and uses.
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Quadraxial
and triaxial blends
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5x7
Al2O3 SiO2 recipe grids.
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Line
& Triaxial blending for colour.
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| Glaze
Software (Matrix) |
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RECIPE TO FORMULA PROCESS
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Introduction
to Matrix
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Basic
skills in RtoF environment.
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Using
Limit Formula.
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Changing
the maturing temperature of a glaze by manipulating recipe materials
& quantities.
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Designing
a glaze for a specific maturing temperature
- Converting
"foreign" recipes to local materials in the RtoF environment.
FORMULA TO RECIPE PROCESSES & BLENDS
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FtoR
calculations ? Converting "foreign" recipes to local
materials using FtoR
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Designing & creating blends using Matrix
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"Split
Filling" to balance K2O & Na2O
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Using
the unity option feature when focusing on particular oxides.
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Including colourants in unity formulae.
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Obtaining and entering a material analysis into a Matrix materials
database.
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| Glaze
Classification |
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Classification systems
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Identification
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Classical
types
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The
stoneware family - iron based glazes, copper reds, chuns, shinos,
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Mid
range - maiolica, chrome/tin reds.
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