From: Ron & Mary Ohler (r-m-ohler@triton.net)
Date: Thu May 22 2003 - 03:40:12 EEST
They are already making nano technology motors and apparatus. The motors run
on static electricity. They are built by manipulating molecules under an
electron microscope.
Ron Ohler
----- Original Message -----
From: "Blasch, Larry" <LBlasch@OPW-FC.com>
To: "'Brock'" <bhinzmann@sric-bi.com>
Cc: "RPML (E-mail)" <rp-ml@rapid.lpt.fi>
Sent: Wednesday, May 21, 2003 8:15 AM
Subject: RE: Laminated object manufacturing with static charged clay
> Brock,
>
> I was also seeing the broader application of the technology (beyond the
> micro devices). What was not explained in the article was the method used
to
> produce a selective static charge to control the deposition. Photo or
laser
> or irradiation I would imagine. If the research is limited to clay
layering
> within a plastic matrix then they don't see the potential.
>
> If you look at the technology from the point of view of the RP-ML, the
> potential for an RP machine/process that builds parts by selectively
> placing/ordering materials at the nano scale could be used to fabricate
much
> larger components and even assemblies.
>
> Imagine an RP machine that makes parts at greater than .00001" resolution.
> But why stop there, any material that you can deposit can be used for
> fabrication. You could create laminate structures where there is a
chemical
> reaction between the layers of materials to form new compounds. The
> complexity if the matrix would be limited only to the number of materials
> that can be deposited by the process. (A rather large number I would
think.)
>
>
> There is also no reason why you couldn't use metals and produce parts for
> sintering that have engineered mechanical properties. Alloys that cannot
be
> produced in a molten state (micro gravity fabrication may never happen)
> could be created easily. Yeah, I know that you can get blended powdered
> metal parts already, but imagine varying the blend ratio/material to suit
> the shape/requirements.
>
> You could build 3 dimensional lattice structures that contain interwoven
> strands/meshes/grids within another material. It would vastly improve the
> creation of multi-function components, where the mechanical properties
vary
> within a single item.
>
> Gotta stop dreaming and get back to work.
>
> Sincerely,
>
> Larry Blasch
>
> -----Original Message-----
> From: Brock [mailto:bhinzmann@sric-bi.com]
> Sent: Tuesday, May 20, 2003 6:01 PM
> To: Blasch, Larry
> Cc: RPML (E-mail)
> Subject: Re: Laminated object manufacturing with static charged clay
>
>
> Larry,
>
> Although the article refers to micro devices, some of the more practical
> applications of nano-clays today are in things like plastic beer
> bottles. The exfoliated clays are broad, flat particles, the thin part
> of which is thin enough to count as nanoparticles. The particles can
> impart multiple properties to a plastic matrix, such blocking UV light
> from the outside and gas molecules from the inside, while leaving the
> bottle transparent to visible light.
>
> The implications for RP are that someone may want to experiment with
> putting such materials in other plastic parts. One of the issues is to
> make sure that you disperse the particles evenly. If the particles clump
> up, you lose some of the properties. Also, since the particles are more
> expensive than the matrix material, you want to optimize how much of the
> material you use, to keep costs down.
>
> I would think that some university students might have an active
> interest in playing around with nano-clays in new applications. Using RP
> equipment to make prototypes would seem to be a natural. Direct
> manufacture of early, short-run nano-clay products on RP/M might be an
> interesting niche market.
>
> Anybody working in this area already? We are looking for speakers (maybe
> already have them) on nano-clays for a meeting we are having for our
> nanoMaterials & Manufacturing Forum on June 18.
>
> Brock Hinzmann
> bhinzmann@sric-bi.com
> voice: +1 (650) 859-4350
>
>
> "Blasch, Larry" wrote:
>
> > Nano-Clay May Shape Micro-Devices
> >
> > http://sci.newsfactor.com/perl/story/21549.html
> >
> > Maybe that's how the ancient Egyptians built the pyramids...
> >
> > Lawrence R. Blasch
> > Design Engineer
> > CAE Systems Administrator
> >
> > OPW Fueling Components
> > P.O. Box 405003
> > Cincinnati, OH 45240-5003 USA
> > Voice: (513) 870-3356
> > Fax: (513) 870-3275
>
>
>
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