Maybe this low temperature sintering particle behavior is the reason why Rossi takes so much time to start the E-Cat going. He needs to get the magic going before the nickel particles are destroyed by heat,
On Sat, Oct 18, 2014 at 8:46 PM, Bob Higgins <rj.bob.higg...@gmail.com> wrote: > It is unlikely that the SAME micro-scale features would re-appear - at > least in Rossi's historical carbonyl process Ni particles. The particle > shape with the high external surface area is a unique outcome from > precipitatation from a highly volatile liquid. As the temperature rises to > 500C, nickel will first sinter with the sharp edges dulling and adjacent > particles growing together. After a melt, it will recrystalize into a > smoother shape. What "grows" on its surface will depend on the chemistry > inside the cell and the temperature. You have to do something to passivate > the particles to keep them from sintering into a solid bulk at 500C. What > I do is sugar-coat (with Fe2O3 nanopowder) the particles and this keeps > them totally sintering together. > > On Sat, Oct 18, 2014 at 1:47 PM, Eric Walker <eric.wal...@gmail.com> > wrote: > >> On Sat, Oct 18, 2014 at 10:13 AM, Bob Higgins <rj.bob.higg...@gmail.com> >> wrote: >> >> By the time the IH reactor is operating above 1000C, there are no nickel >>> nanoparticles or nano-features of any kind left - they are all melted into >>> larger agglomerations. >>> >> >> Is it possible that the micro-scale features in the Ni might reappear >> upon recrystallization? >> >> Eric >> >> >
