Materials and properties of components formed using the 3DWire process

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Description

Direct metal deposition technologies produce complex, near net shape components from CAD solid models. 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. Powder feed material in these processes results in near net shape, high strength components, with the ability to blend materials for novel properties. This talk will describe a new direct metal deposition process, known as 3DWire, whereby a small diameter wire is used instead of powder as the feed material to fabricate components. This allows for faster deposition ... continued below

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8 p.

Creation Information

Griffith, M.L.; Harwell, L.D.; Greene, D.L.; Romero, J.A.; Buchheit, T.E.; Crenshaw, T.B. et al. December 1, 1997.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. More information about this article can be viewed below.

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  • Sandia National Laboratories
    Publisher Info: Sandia National Labs., Albuquerque, NM (United States)
    Place of Publication: Albuquerque, New Mexico

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Description

Direct metal deposition technologies produce complex, near net shape components from CAD solid models. 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. Powder feed material in these processes results in near net shape, high strength components, with the ability to blend materials for novel properties. This talk will describe a new direct metal deposition process, known as 3DWire, whereby a small diameter wire is used instead of powder as the feed material to fabricate components. This allows for faster deposition rates, smoother surface finishes, and easy material handling. Currently, parts are being fabricated from 308L stainless steel and Aermet{reg_sign} 100. Microscopy studies show the 3DWire parts to be fully dense with fine microstructural features. Initial mechanical tests show stainless steel parts to have good strength values ({sigma}{sub y} = 58 ksi, {sigma}{sub ult} = 95 ksi, 87 HRB) with retained ductility (65%).

Physical Description

8 p.

Notes

OSTI as DE98001698

Source

  • 3. Pacific Rim international conference on advanced materials and processing, Honolulu, HI (United States), 12-16 Jul 1998

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  • Other: DE98001698
  • Report No.: SAND--97-3116C
  • Report No.: CONF-980716--
  • Grant Number: AC04-94AL85000
  • Office of Scientific & Technical Information Report Number: 654095
  • Archival Resource Key: ark:/67531/metadc703806

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  • December 1, 1997

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • May 5, 2016, 8:08 p.m.

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Griffith, M.L.; Harwell, L.D.; Greene, D.L.; Romero, J.A.; Buchheit, T.E.; Crenshaw, T.B. et al. Materials and properties of components formed using the 3DWire process, article, December 1, 1997; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc703806/: accessed August 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.