Dear Fran, you are right re vacuum, please take a look to Molecular Beam Epitaxy- this happens in very high and creative vacuum. The sites are daughters of Vacuum- at least for MBE and Piantelli.
Peter On Wed, Jun 15, 2011 at 10:10 PM, Roarty, Francis X < [email protected]> wrote: > Dear Peter, > > My posit wasn’t very clear but what I was trying to suggest > is that these sites under discussion are only poor cousins to what could be > accomplished in a vacuum where the geometry is unlimited. My premise is that > without vacuum the changes in energy density will heat any ambient gases > and make the metal plastic hot such that the stiction forces are relieved by > either melting closed or growing whiskers perpendicular to the surfaces. If > we could prevent this “damage” we would have far more reactive sites. > > Fran > > > > > > *From:* Peter Gluck [mailto:[email protected]] > *Sent:* Wednesday, June 15, 2011 2:42 PM > > *To:* [email protected] > *Subject:* Re: EXTERNAL: Re: [Vo]:Ahern in Next Big Future > > > > Dear Fran, > > > > We are thinking differently. In this case Piantelli obt ains his nanoNi by > a physical method method, Molecular Beam Epitaxy with the desired morphology > and the active sites have to be made free, cleaned. . Not the case of > partially damaged sites. > > > > There are many physical and chemical processes of making nanoNI- perhaps > Rossi has found a better one. > > > > Vacuum mills is an excellent idea in principle- how high a vacuum can be > achieved and maintained? > > > > Alloys opens a new dimension, it is possible some will work better even > than Ni- but only experiment can say. > > > > Re Cleaning I give you an example from my practice. Some acrylic monomers > are extremely sensible to the presence of Sulphur compun ds, even under 1 > ppm. To determine analytically S is an ordeal. The engineers add a spoon of > copper salt to the batch and S is fixed, harmless. Radical solution. > > > > > > > > On Wed, Jun 15, 2011 at 8:33 PM, Roarty, Francis X < > [email protected]> wrote: > > Peter, > > The repeated cleaning cycles used by Piantelli seems like a > limited method of partially salvaging damaged sites.   ;I would > suggest instead to mill the powder inside a vacuum chamber where even the > small amount of ambient gases left from the original ore can outgas while > the geometry is being reduced. Much smaller geometry should be achieved in > vacuum without heating of the metal from the reacting gases. The obvious > difficulty is collecting the pristine millings while still under vacuum and > alloying them by spin melt or sputtering with the inner reac tor wall > surface. Perhaps the external cooling system should be already running and > kept running to keep the smallest geometry of the forming alloys from > collapsing due to the stiction forces? I don’t think pristine nano powder > should require pressure loading of hydrogen and could even operate with the > powder still under partial vacuum. > > > > Fran > > > > *From:* Peter Gl uck [mailto:[email protected]] > *Sent:* Wednesday, June 15, 2011 10:18 AM > *To:* [email protected] > *Subject:* EXTERNAL: Re: [Vo]:Ahern in Next Big Future > > > > Yessir! have discussed this with Brian. I have concluded long time ago that > CF is not reproducible because the active sites are covered with other gases > from air (as polar as worse) that destroy their activity. For Ni-H I know > how does the Piantelli Cell work, a lot is in his 2 patents WO1995/20816 and > especially, WO 2010/58288 please see how drastically- high vacuum, high > temperature, many cycles is nanoNi cleaned. Piantelli says the presence of > > foreign(not hydrogen) gas molecules inhibits the process. > > > > We don't know much about what is Rossi doing, is his system more tolerant > to air and its impurities. Strem menos has told in one of his interviews how > it was discovered that the system (which?) w orks only after deep degassing. > > > > I believe that clean metal surface- is a sine qua non condition for a > working material/setup. This is a simple, > > cut-the-Gordian-Knot type idea. If it works, OK if not you can test all > those conditions and ideas you describe, that are based on bright theories. > > Peter > > > > On Wed, Jun 15, 2011 at 4:22 PM, Roarty, Francis X < > [email protected]> wrote: > > > > > > > -- > Dr. Peter Gluck > > Cluj, Romania > > http://egooutpeters.blogspot.com > > > -- Dr. Peter Gluck Cluj, Romania http://egooutpeters.blogspot.com
