Use of Intense Ion Beams for Surface Modification and Creation of New Materials

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Description

We have conducted surface treatment and alloying experiments with Al, Fe, and Ti-based metals on the RHEPP-1 accelerator (0.8 MV, 20 W, 80 ns FHWM, up to 1 Hz repetition rate) at Sandia National Laboratories. Ions are generated by the MAP gas-breakdown active anode, which can yield a number of different beam species including H, N, and C, depending upon the injected gas. Beams of intense pulsed high-power ion beams have been used to produce surface modification by changes in microstructure caused by rapid heating and cooling of the surface. Increase of beam power leads to ablation of a target ... continued below

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19 pages

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RENK, TIMOTHY J.; PROVENCIO, PAULA P.; CLEM, PAUL G.; PRASAD, SOMURI V. & THOMPSON, M.O. December 1, 2002.

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

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Description

We have conducted surface treatment and alloying experiments with Al, Fe, and Ti-based metals on the RHEPP-1 accelerator (0.8 MV, 20 W, 80 ns FHWM, up to 1 Hz repetition rate) at Sandia National Laboratories. Ions are generated by the MAP gas-breakdown active anode, which can yield a number of different beam species including H, N, and C, depending upon the injected gas. Beams of intense pulsed high-power ion beams have been used to produce surface modification by changes in microstructure caused by rapid heating and cooling of the surface. Increase of beam power leads to ablation of a target surface, and redeposition of ablated material onto a separate substrate. Experiments are described in which ion beams are used in an attempt to increase high-voltage breakdown of a treated surface. Surface alloying of coated Pt and Hf layers is also described. This mixing of a previously deposited thin-film layer into a Ti-alloy substrate leads to significantly enhanced surface wear durability, compared to either untreated Ti-alloy alone, or the Ti alloy alone treated with the ion beam. Thin-film layers have been produced from a number of target materials. Films of fine-grain Pt and Er are described, and are compared to conventionally formed films. First attempts to form high-dielectric constant BaTiO{sub 3} are described.

Physical Description

19 pages

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  • Other Information: PBD: 1 Dec 2002

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  • Report No.: SAND2002-4215
  • Grant Number: AC04-94AL85000
  • DOI: 10.2172/808612 | External Link
  • Office of Scientific & Technical Information Report Number: 808612
  • Archival Resource Key: ark:/67531/metadc740080

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • December 1, 2002

Added to The UNT Digital Library

  • Oct. 18, 2015, 6:40 p.m.

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  • April 12, 2016, 1:10 p.m.

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RENK, TIMOTHY J.; PROVENCIO, PAULA P.; CLEM, PAUL G.; PRASAD, SOMURI V. & THOMPSON, M.O. Use of Intense Ion Beams for Surface Modification and Creation of New Materials, report, December 1, 2002; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc740080/: accessed October 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.