Re: Optimum particle size


"Dr. Mike" <mfeather@xxxxxxxxxx> wrote in message
news:1120961585.618384.96750@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> The particles are hard and inert such as SiC or diamond. I've already
> successfully rolled 1 mil foils with 2-3 micron particles but I want to
> put in larger particles. I know what you mean about theory and
> practice. There is a formula (rule of 7) for achieving maximum packing
> density of particles. It didn't work for me (but I reached well over 80
> vol.% without it) and I don't need it here fortunately.
>
> You especially should know that I will get better thermal conductivity
> with large diamonds than with smaller ones. I am also aware of the less
> than optimum bonding between aluminum and diamond. I hope to take care
> of that too.
>
I have an interest in particle packing - I'm not familiar with the rule of
7, could you post an explanation?
I've used Westman-Hugil (sp?) and Dinger-Funk algorithms with a lot of
success, but I'm always interested in anything else that's out there.

Thanks,
Gregg


.

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