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Topic: Solid freeform fabrication

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	Rapid prototyping - Wikipedia, the free encyclopedia
		Rapid prototyping, is the automatic construction of physical objects using solid freeform fabrication.
		These layers which correspond to the virtual cross section from the CAD model are glued together or fused (often using a laser) automatically to create the final shape.
		Solid Freeform Fabrication Laboratory at University of Texas at Austin
	en.wikipedia.org /wiki/Rapid_prototyping (644 words)

	Functional Freeform Fabrication (Cornell)
		Freeform Fabrication of Ionomeric Polymer-Metal Composite Actuators”, Proceedings of the 16th Solid Freeform Fabrication Symposium, Austin TX, Aug 2005, to appear.
		Freeform Fabrication of Zinc-Air Batteries with Tailored Geometry and Performance”, Proceedings of the 16th Solid Freeform Fabrication Symposium, Austin TX, Aug 2005, to appear.
		Freeform Fabrication of Electroactive Polymer Actuators and Electromechanical Devices”, Proceedings of the 15th Solid Freeform Fabrication Symposium, Austin TX, Aug 2004, pp.697-708.
	ccsl.mae.cornell.edu /research/sff (1676 words)

	What is Solid Freeform Fabrication? (Site not responding. Last check: 2007-10-11)
		Solid Freeform Fabrication (SFF) is an important developing technology that enables the fabrication of custom objects with novel properties directly from computer data.
		Solid Freeform Fabrication has historically been associated with manufacturing environments, where it is used for the rapid production of visual models, low-run tooling, and functional objects.
		The impact of SFF goes far beyond these applications, however; the additive nature of SFF techniques offers great promise for producing objects with unique material combinations and geometries which could not be attained by traditional manufacturing methods.
	www.msoe.edu /reu/ssf.shtml (1105 words)

	Solid Freeform Fabrication of Scaffolds
		Concentration gradients of growth factors, such as vascular endothelial growth factor, are required for cellular chemotactic responses, i.e., the preferential cellular migration from lower to higher concentrations of a mediator.
		While SFF approaches have been investigated primarily for industrial applications, such as rapid prototyping (see JTEC/WTEC Report on Rapid Prototyping for a general overview), their application for creating scaffolds for tissue engineering is also being explored.
		Several SFF process are being used for fabricating complex shaped scaffolds for tissue engineering including the Selective Laser Sintering (SLS) process developed at the University of Texas at Austin and Three-Dimensional Printing (3DP) developed at M.I.T. However, SFF scaffold fabrication processes typically involve heat or toxic chemicals that would kill living cells.
	www.btec.cmu.edu /research/engineering/sff/sff.htm (1371 words)

	Amazon.com: Solid Freeform Fabrication: A New Direction in Manufacturing: Books: J.J. Beaman,John W. Barlow,D.L. ... (Site not responding. Last check: 2007-10-11)
		Solid Freeform Fabrication: A New Direction in Manufacturing is a research monograph covering the emerging manufacturing technology of solid freeform fabrication.
		Solid Freeform Fabrication: A New Direction in Manufacturing presents a detailed description of present solid freeform fabrication techniques whilst providing a historical perspective of its development.
		Whilst this book covers the spectrum of solid freeform fabrication processes, particular emphasis is given to the area of thermal laser processing in which the authors have contributed pioneering research.
	www.amazon.com /exec/obidos/tg/detail/-/0792398343?v=glance (591 words)

	Geometric Algorithms and Data Representation for Solid Freeform Fabrication
		Abstract: Solid freeform fabrication (SFF) refers to a class of technologies used for making rapid prototypes of 3-D parts.
		With these processes, a triangulated boundary representation of the CAD model of the part is "sliced" into horizontal 2.5-D layers of uniform thickness that are successively deposited, hardened, fused, or cut, depending on the particular process, and attached to the layer beneath.
		Many solid modeling applications require information not only about the geometry of an object but also about its "topology" -- the connectivity of its faces, edges, and vertices.
	techreports.lib.berkeley.edu /accessPages/CSD-00-1119.html (362 words)

	European Cells & Materials Journal - Making Tissue Engineering Scaffolds Work. Review: The application of solid ...
		It is evident, therefore, that the choice of scaffold is crucial to enable the cells to behave in the required manner to produce tissues and organs of the desired shape and size.
		Solid freeform fabrication (SFF) uses layer-manufacturing strategies to create physical objects directly from computer-generated models.
		Several SFF systems have produced tissue engineering scaffolds with this concept in mind which will be the main focus of this review.
	www.ecmjournal.org /journal/papers/vol005/vol005a03.php (383 words)

	PNNL Available Technologies: Solid Freeform Fabrication for Rapid Prototyping (Site not responding. Last check: 2007-10-11)
		A layered fabrication method has been developed for producing ceramic components using chemical gelation of aqueous slurries.
		This method can form the basis for an automated solid freeform fabrication (SFF) process to convert the “virtual object,” such as in a CAD file, to solid objects without part-specific tooling.
		The chemical gelation method involves the use of aqueous slurry layers that are chemically gelled into a desired shape on a build table, dried, and fired to a dense ceramic.
	availabletechnologies.pnl.gov /chemmaterials/sol.stm (107 words)

	Solid Freeform Fabrication/Rapid Prototyping of Ceramics (Site not responding. Last check: 2007-10-11)
		Description: A layered fabrication method has been developed for producing ceramic components using chemical gelation of aqueous slurries.
		This method forms the basis for an automated solid freeform fabrication (SFF) process to convert "virtual objects" in a CAD file, to solid objects without part-specific tooling, fixturing or specialized operator intervention.
		The chemical gelation method developed at PNNL involves the use of aqueous slurry layers that are chemically "gelled" into a desired shape on a build table, dried and fired to give a high-density ceramic.
	www.technet.pnl.gov /dme/agile/solid.stm (117 words)

	Carbon fiber fabrication - Solid Freeform Fabrication as a Method of Organic-Inorganic
		Carbon fiber fabrication, is deafness a disability uk not nomex fiber discremination against disability multiple sclerosis of tyrant carbon fiber vortex
		The technology for fabrication of fiber-carbon matrix (CC) composites has been funded by the US government for almost twenty years.
		Dream is an advanced composites company that specializes in the fabrication of products using carbon fiber and the use of sandwich core technology.
	sitessurf.com /stsu/carbon-fiber-fabrication.html (194 words)

	The Rapid Prototyping Resource Center
		Solid Freeform Fabrication Symposium, The University of Texas at Austin, August 11-13, 1997, pp.
		S.J. Rock and C.R. Gilman, "A New SFF Process for Functional Part Rapid Prototyping and Manufacturing: Freeform Powder Molding," in: 1995 Solid Freeform Fabrication Symposium Proceedings, H.L. Marcus et al.
		Stephen J. Rock and Michael J. Wozny, "Generating Topological Information from a 'Bucket of Facets'," in: 1992 Solid Freeform Fabrication Symposium Proceedings, H. Marcus, et al.
	www-rp.me.vt.edu /bohn/RP.html (1448 words)

	Information Bridge: DOE Scientific and Technical Information
		Most of these techniques fabricate a component by melting powder in a laser weld pool, rastering this weld bead to form a layer, and additively constructing subsequent layers.
		This talk describes a new direct metal deposition process, known as WireFeed, whereby a small diameter wire is used instead of powder as the feed material to fabricate components.
		Currently, parts are being fabricated from stainless steel.
	www.osti.gov /bridge/product.biblio.jsp?osti_id=9609 (234 words)

	17. : Simulation of Solid Freeform Fabrication (Site not responding. Last check: 2007-10-11)
		Abstract Solid freeform fabrication involves highly coupled, nonlinear, thermomechanical processes.
		This investigation simulates the formation of a simple SFF geometry, a right, rectangular prism with aspect ratios of 1: 1:2.
		Solid Freeform Fabrication Proceedings can be obtained from:
	home.att.net /~edgrenda2/sf93/sf93_17.htm (119 words)

	1995 Solid Freeform Fabrication Proceedings - Table of Contents
		A New SFF Process for Functional Part Rapid Prototyping and Manufacturing: Freeform Powder Molding
		Integration of a Solid Freeform Fabrication Process into a Feature-Based CAD System Environment
		Solid Freeform Fabrication of Silicon Nitride Shapes by Selective Laser Reaction Sintering (SLRS)
	home.att.net /~edgrenda2/sf95/sf95.htm (564 words)

	[No title]
		Proceedings of the 1992 Solid Freeform Fabrication Symposium, Austin, TX, pp.
		Proceedings of the 1993 Solid Freeform Fabrication Symposium, Austin, TX, pp.
		Proceedings of the 1995 Solid Freeform Fabrication Symposium, Austin, TX, pp.
	www.me.utexas.edu /~madlab/~rhc/rich_publications.html (4686 words)

	Laboratory for Freeform Fabrication
		The Seventeenth Solid Freeform Fabrication Symposium will be held in Austin, Texas, USA on August 14-16, 2006.
		The 2005 SFF Proceedings are now available for purchase!
		The 1990-2004 Proceedings are in stock and may be ordered here.
	utwired.engr.utexas.edu /lff/symposium/index.cfm (54 words)

	Geometric Algorithms and Data Representation for Solid Freeform Fabrication
		Solid freeform fabrication (SFF) refers to a class of technologies used for making rapid prototypes of 3-D parts.
		@techreport{McMains:CSD-00-1119, Author = {Sara Anne McMains}, Title = {Geometric Algorithms and Data Representation for Solid Freeform Fabrication}, Institution = {EECS Department, University of California, Berkeley}, Year = {2000}, Number = {UCB/CSD-00-1119} }
		%0 Report %A McMains, Sara Anne %T Geometric Algorithms and Data Representation for Solid Freeform Fabrication %I EECS Department, University of California, Berkeley %D 2000 %@ UCB/CSD-00-1119 %F McMains:CSD-00-1119
	www.eecs.berkeley.edu /Pubs/TechRpts/2000/6430.html (422 words)

	Ceramics - Laboratory for Solid Freeform Fabrication of Advanced Ceramics (Site not responding. Last check: 2007-10-11)
		Ceramics - Laboratory for Solid Freeform Fabrication of Advanced Ceramics
		Laboratory for Solid Freeform Fabrication of Advanced Ceramics
		Department of Ceramic and Materials Engineering and Center for Advanced Information Processing research laboratory for solids manufacturing.
	infofeedtech.com /ifft/ceramics.htm (361 words)

	HighBeam Research (Site not responding. Last check: 2007-10-11)
		Three-dimensional printing: a unique solid freeform fabrication technology fabricates tools and parts from a variety of materials.
		The three-dimensional printing (3DP) process is a solid freeform fabrication technique, in which parts are built up in layers from a computer-aided design (CAD) model.
		Each layer begins with a thin distribution of powdered metal spread over the surface of a part-build bed.
	highbeam.com /library/doc0.asp?docid=1G1:96991334&refid=ink_tptd_mag (185 words)

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