| azonenberg | Yes, you're alive | 00:31 |
|---|---|---|
| azonenberg | http://www.youtube.com/watch?feature=player_detailpage&v=qm67wbB5GmI#t=110 | 05:43 |
| azonenberg | What's the first thing that jumps out at you guys about the next 30ish seconds? | 05:43 |
| soul-d | no clue been awake to long maybe the part …here transistors are later to be fitted " as if it[ a loose component ? | 06:48 |
| azonenberg | soul-d: how about the lattice | 06:49 |
| azonenberg | silicon is not simple cubic :p | 06:49 |
| soul-d | oh haven done chemistry a while, you could show me a paint thing of molecules wiggeling tell something id probably assume it's true :P | 06:50 |
| soul-d | wiki says > http://upload.wikimedia.org/wikipedia/commons/thumb/f/f1/Silicon-unit-cell-3D-balls.png/160px-Silicon-unit-cell-3D-balls.png | 06:52 |
| soul-d | diamond cubical structure | 06:52 |
| azonenberg | exactly | 06:53 |
| soul-d | so thats why you need a seed with drawing silicon ingots ? | 06:55 |
| soul-d | like with diamonds | 06:55 |
| soul-d | if i remmber correctly | 06:55 |
| azonenberg | well, thats to make a monocrystal | 06:56 |
| azonenberg | regardless of the structure | 06:57 |
| soul-d | http://www.processpecialties.com/graphics/siliconpull297.gif | 06:57 |
| soul-d | :) | 06:57 |
| soul-d | wonders if you can make an diy electrical furnace for that saw some diy /company with nichrome wire for aluminum forge 2kw /20 min melt wich looked intresting | 06:59 |
| soul-d | gues one could :> http://www.temcoindustrialpower.com/products/Resistance_Wire/RW0087.html | 07:03 |
| soul-d | if one can heat the furnace to max opperating temps | 07:03 |
| soul-d | http://www.youtube.com/watch?v=en4yhzLuD9A their extremly simple diy aluminum furnace i probably gonna use that method in near future | 07:08 |
| azonenberg | You'd need to inert purge it | 07:58 |
| azonenberg | but thats not super hard | 07:58 |
| Sync_ | the issue more or less is getting it pure enough soul-d | 11:22 |
| Sync_ | I just used a surplus oilburner for my furnance, 60kW of heat output easily :D | 11:23 |
| soul-d | :) well thought of it before but never thought it would be feasible but i'? gonna start with small aluminium furnace so i can try lost wax casting methods maybe make some usable tools / | 13:36 |
| Sync_ | well before you try lost wax casting get proficient in regular casting | 13:48 |
| Sync_ | there are a lot of hassles to be tackled | 13:48 |
| Sync_ | released some piece of cheap s235 yesterday and heat treating it actually helped machining a lot | 13:49 |
| soul-d | inert purge you mean air has to be replaced with some inert gas ? do super tiny vacume pump ". Max. Pressure 300mmHg " instock to play with | 13:49 |
| soul-d | true sand casting was actualy on first list probably even simpler like getting the hang of it with making ingots for casting later | 13:50 |
| Sync_ | no not really, but getting the technique down how to make molds and such is not easy | 13:50 |
| Sync_ | well making ingots is supereasy | 13:50 |
| Sync_ | there is nothing to go wrong | 13:50 |
| Sync_ | mostly the problem with casting is predicting the shrinkage and controlling the heat | 13:50 |
| soul-d | ah yeah another few tools needed like proper temp gun /measurement method | 13:52 |
| soul-d | last time i burned trough the simple metal cruicble afhter the second melt | 13:53 |
| soul-d | also was using coal furnace | 13:53 |
| soul-d | so that was a mess | 13:53 |
| soul-d | so need proper cruicble for that or get the proper clay materials to make them since prefab are never the size/form i want or arrive broken | 13:55 |
| soul-d | will have the whole winter to think about it currently shed /outside to wet anyhow to play with molten metal for a while | 13:58 |
| Sync_ | well the molds are made from sand soul-d | 16:24 |
| Sync_ | mixed with oil | 16:24 |
| Sync_ | and for Al you just weld up a crucible out of steel or stainless | 16:25 |
| soul-d | yeah green sand stuff but saw them use water /moisture content there | 16:25 |
| soul-d | long way to go thats for sure but ill start simple trying to make own clay crucibles to and then go more complex | 16:27 |
| soul-d | steel is tricky though read you need to heat treat those first as aluminum eats trough metal or somthing thought i was fine with stainless but was way to thin i guess burned trough it second time | 16:28 |
| soul-d | http://imgur.com/a/LgHjM | 16:30 |
| soul-d | but was to me expected with 1mm or less ;) | 16:32 |
| soul-d | was indeed the plan to visit scrapdealer for some proper materials but welding is another trick i still need to learn | 16:35 |
| Sync_ | no steel is fine for Al usually | 17:15 |
| Sync_ | a stainless cooking pot will oxidize through | 17:15 |
| --- Mon Nov 11 2013 | 00:00 | |
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