Accession Number : ADA577419


Title :   Defense Horizons. No. 73. September 2012. Toward the Printed World: Additive Manufacturing and Implications for National Security


Descriptive Note : Journal


Corporate Author : NATIONAL DEFENSE UNIV FORT MCNAIR DC INST FOR NATIONAL STRATEGIC STUDIES


Personal Author(s) : McNulty, Connor M ; Arnas, Neyla ; Campbell, Thomas A


Full Text : https://apps.dtic.mil/dtic/tr/fulltext/u2/a577419.pdf


Report Date : Sep 2012


Pagination or Media Count : 17


Abstract : Additive manufacturing (AM) commonly referred to as three-dimensional or 3D printing is a prospective game changer with implications and opportunities that affect not just the Department of Defense (DOD) but the economy as a whole. The technology allows the art to part fabrication of complex objects from a computer model without part-specific tooling or human intervention. AM has already impacted a variety of industries and has the potential to present legal and economic issues with its strong economic and health-care benefits. Because of its remarkable ability to produce a wide variety of objects, AM also can have significant national security implications. The purpose of this paper is to provide a general introduction to these issues for nontechnical readers through a survey of the recent history and the current state of technology. Included in this paper is a brief review identifying key individuals and organizations shaping developments as well as projected trends. AM refers to the production of a three-dimensional object through the layerby- layer addition of material according to a geometrical computer model. AM contrasts with other forms of manufacturing that require either the removal or alteration of material to produce a completed object. For example, a 3D printer could build a crescent wrench by adding a layer of material and stacking another layer on top of that one and fusing them together, repeating the process until the wrench is complete.


Descriptors :   *COMPUTERIZED SIMULATION , *MANUFACTURING , *PRODUCTION , DEFENSE SYSTEMS , ECONOMICS , GLOBAL , NATIONAL SECURITY , PRINTING , THREE DIMENSIONAL


Subject Categories : Computer Programming and Software
      Mfg & Industrial Eng & Control of Product Sys


Distribution Statement : APPROVED FOR PUBLIC RELEASE