projects:glass_sphere:work_logs:work_log_1
Differences
This shows you the differences between two versions of the page.
Both sides previous revisionPrevious revisionNext revision | Previous revisionNext revisionBoth sides next revision | ||
projects:glass_sphere:work_logs:1 [2019/01/05 02:35] – tjhowse | projects:glass_sphere:work_logs:work_log_1 [2019/01/06 00:18] – [What I've done] tjhowse | ||
---|---|---|---|
Line 13: | Line 13: | ||
I coated a stainless steel cup and bowl with kiln wash to stop the glass sticking. | 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. [[https:// |
+ | |||
+ | 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 == | == 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. |
Things that failed: | Things that failed: | ||
* Acetone, | * Acetone, | ||
* Methyl Ethyl Ketone, | * Methyl Ethyl Ketone, | ||
* This one changed the colour of the grey layer slightly. | * This one changed the colour of the grey layer slightly. | ||
- | * Zinc Chloride (in soldering flux), | + | * Zinc Chloride and Ammonium |
* Ferric Chloride, | * Ferric Chloride, | ||
* Sodium Hydroxide. | * Sodium Hydroxide. | ||
- | The silvering appears to have three layers: Grey, red and silver. | ||
+ | ====== 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. |
projects/glass_sphere/work_logs/work_log_1.txt · Last modified: 2022/01/23 00:24 by tjhowse