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--- projects:glass_sphere:work_logs:1 [2019/01/05 02:35] – created tjhowse
+++ projects:glass_sphere:work_logs:work_log_1 [2019/01/28 11:30] – tjhowse
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+{{indexmenu_n>1}}
 ====== What I want to accomplish ======
-Remember how to use the furnace,
+  * Remember how to use the furnace,
-Experiment with different types of available glass,
+  * Experiment with different types of available glass,
-Work out how to determine the suitability of different types of glass. What criteria do I need to test?
+  * Work out how to determine the suitability of different types of glass. What criteria do I need to test?
-Work out whether I need to go down the road of creating my own glass.
+  * Work out whether I need to go down the road of creating my own glass.
 ====== What I've done ======
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 I coated a stainless steel cup and bowl with kiln wash to stop the glass sticking.
-I sanded off the silvering from some of the mirrored float glass, crushed it up and put it in the cup.
-I crushed up a blown glass bottle and put it in the bowl.
+I sanded off the silvering from some of the mirrored float glass, crushed it up and put it in the cup.
+I crushed up a blown glass bottle and put it in the bowl. I washed the crushed glass in water and poured off the fine glass in suspension.
 == Removing silvering ==
-I experimented with chemically removing the silvering from the back of the mirrors. I daubed a bit of chemical on the back of the mirror and put some scratches through the mirroring with a screwdriver.
+I experimented with chemically removing the silvering from the back of the mirrors. I daubed a bit of chemical on the back of the mirror and put some scratches through the mirroring with a screwdriver. The silvering appears to have three layers: Grey, red and silver.
 Things that failed:
   * Acetone,
   * Methyl Ethyl Ketone,
     * This one changed the colour of the grey layer slightly.
-  * Zinc Chloride (in soldering flux),
+  * Zinc Chloride and Ammonium Chloride (in soldering flux),
   * Ferric Chloride,
   * Sodium Hydroxide.
-The silvering appears to have three layers: Grey, red and silver.
+=== Video ===
+{{youtube>8VlCwkEwSmE?large}}
+====== What I want to accomplish next time ======
+  * Fuse and temper the crushed glass,
+  * Compare the washed versus unwashed, and float versus cast,
+  * Polish the resulting slugs,
+  * Drop test.