This leaf print uses a thin high phosphorus glaze layer on a late maturing
glaze. The background glaze has a
The glaze satIron_ZG_0_PK_MLi, the matrix glaze for this leaf, has a broader
firing range than the glaze in
plate is ~ 8 inches in diameter.
150 deg F an hour to 250 deg F
400 deg F an hour to 1800 deg F
300 deg F an hour to 2050 deg F
120 deg F an hour to 2310 deg F with a hold of 20 minutes at 2310 deg F
300 deg F an hour to 1750 deg F then a four hr hold at 1750 deg F
25 deg F an hour to 1650 deg F then a one hour hold at 1650 deg F
K2O 0.12
Al2O3 0.64
SiO2 3.23
molecular percent Silica 62.2%
K2O 0.43
Al2O3 0.54
SiO2 3.34
molecular percent Silica 48%
A leaf is softened by soaking in water laced with water softener. After
the pot is glazed, the leaf is pressed
smooth finish, in contrast to the leaf
shown
here . where the leaf print is lovely, yet the matrix glaze is
unattractively textured.
the above note.
glaze satIron_ZG_0_PK_MLi leaf wash leaf_Z3K.
oxidation firing to cone 10 in an electric kiln
Firing profiles
Up Fire profile
Down Fire Profile
Clay body is a grolegg porcelain from Clayart Center in Tacoma, WA.
glaze compositions
Empirical Formula satIron_ZG_0_PK_MLi :
Na2O 0.69
CaO 0.18
MgO 0.01
Fe2O3 0.22
P2O5 0.10
Empirical Formulae of leaf wash glaze leaf_Z3K:
Na20 0.53
CaO 0.04
P2O5 0.15
TiO2 1.90
into the glaze. When the glaze
dries, a swatch of plate including the leaf is coated with wax. When the wax
is dry, the leaf is removed and the indentations in the glaze are coated
with a very thin layer of an
underfired glaze.