On Saturday 21 November 2009, Jeshua Lacock wrote: >On Nov 21, 2009, at 4:11 AM, Gene Heskett wrote: >>> Generically speaking, Thermite is referred to an "aluminothermic" >>> reaction. It is aluminum's high infinity for oxygen that strips the >>> oxygen away from the iron oxide. >> >> s/infinity/affinity :) > >Doh! So much for trying to sound intelligent!
Or ENOTENOUGHCAFFIENE, it is quite early here and the pot hasn't been started yet. Its purely accidental that I caught that this time of the morning. Diabetic, up to pee, and I don't care how old you are, its an unwritten rule that if you want to keep your geek credentials you have to check your email before going back to bed. ;-) >:P >: >>> Note that titanium dioxide takes a great deal more energy to sustain >>> an exothermic reaction compared to iron oxide, so the use of a >>> catalyst is required. >> >> Interesting Jeshua, and the catalyst used was? > >Thanks Gene! > >I have used both potassium perchlorate (KClO4) and calcium sulphate >(eg drywall, plaster of paris or gypsum). Drywall is much more readily >available and safer to handle (KClO4 is a carcinogen). So is some chinese drywall ;) >It is a really interesting reaction - it is like Thermite in slow >motion. Here is what the alumina (slag) looked like about 20 minutes >after starting the titanium reaction: > ><http://openosx.com/hotspring/my-magma.jpg> And it took 20 minutes to reach that state? Wow! And I assume the titanium was suitably 'cast' once the reaction was used up & things cooled. What does one use for a casting mold/crucible material at those sorts of temps? >Best, > >Jeshua Lacock >Founder/Programmer >3DTOPO Incorporated ><http://3DTOPO.com> >Phone: 208.462.4171 > > >--------------------------------------------------------------------------- >--- Let Crystal Reports handle the reporting - Free Crystal Reports 2008 > 30-Day trial. Simplify your report design, integration and deployment - > and focus on what you do best, core application coding. Discover what's > new with Crystal Reports now. http://p.sf.net/sfu/bobj-july >_______________________________________________ >Emc-users mailing list >Emc-users@lists.sourceforge.net >https://lists.sourceforge.net/lists/listinfo/emc-users > -- Cheers, Gene "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) The NRA is offering FREE Associate memberships to anyone who wants them. <https://www.nrahq.org/nrabonus/accept-membership.asp> Numbers talk, bullshit walks. - Dave Miller on linux-kernel ------------------------------------------------------------------------------ Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
