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

Abstract

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 conventionallymore » formed films. First attempts to form high-dielectric constant BaTiO{sub 3} are described.« less

Authors:
; ; ; ;
Publication Date:
Research Org.:
Sandia National Labs., Albuquerque, NM (US); Sandia National Labs., Livermore, CA (US)
Sponsoring Org.:
US Department of Energy (US)
OSTI Identifier:
808612
Report Number(s):
SAND2002-4215
TRN: US0302274
DOE Contract Number:  
AC04-94AL85000
Resource Type:
Technical Report
Resource Relation:
Other Information: PBD: 1 Dec 2002
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS; ABLATION; ACCELERATORS; ALLOYS; BREAKDOWN; HEATING; ION BEAMS; MICROSTRUCTURE; MODIFICATIONS; SANDIA NATIONAL LABORATORIES; SUBSTRATES; SURFACE TREATMENTS; TARGETS

Citation Formats

RENK, TIMOTHY J, PROVENCIO, PAULA P, CLEM, PAUL G, PRASAD, SOMURI V, and THOMPSON, M O. Use of Intense Ion Beams for Surface Modification and Creation of New Materials. United States: N. p., 2002. Web. doi:10.2172/808612.
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. United States. doi:10.2172/808612.
RENK, TIMOTHY J, PROVENCIO, PAULA P, CLEM, PAUL G, PRASAD, SOMURI V, and THOMPSON, M O. Sun . "Use of Intense Ion Beams for Surface Modification and Creation of New Materials". United States. doi:10.2172/808612. https://www.osti.gov/servlets/purl/808612.
@article{osti_808612,
title = {Use of Intense Ion Beams for Surface Modification and Creation of New Materials},
author = {RENK, TIMOTHY J and PROVENCIO, PAULA P and CLEM, PAUL G and PRASAD, SOMURI V and THOMPSON, M O},
abstractNote = {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.},
doi = {10.2172/808612},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2002},
month = {12}
}

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