Microstructure of bulk and electro-formed Ni implanted with Ti and C

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Description

The microstructure of high-purity Ni implanted with overlapping concentration profiles of Ti and C was examined with transmission electron microscopy. An amorphous phase forms at concentrations of 15--18 at.% Ti and 22 at.% C, while a two-phase alloy (amorphous + fcc Ni) forms for {le} 16 at.% C. Electroformed layers with sub-micron fcc grains of Ni or Ni{sub 80}Fe{sub 20} were also found to be amorphized by Ti + C implantation, a key requirement for applying this treatment to Ni-based micro-electromechanical systems to reduce their friction and wear.

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18 p.

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Follstaedt, D.M.; Myers, S.M.; Knapp, J.A.; Dugger, M.T. & Christenson, T.A. October 13, 1997.

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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

The microstructure of high-purity Ni implanted with overlapping concentration profiles of Ti and C was examined with transmission electron microscopy. An amorphous phase forms at concentrations of 15--18 at.% Ti and 22 at.% C, while a two-phase alloy (amorphous + fcc Ni) forms for {le} 16 at.% C. Electroformed layers with sub-micron fcc grains of Ni or Ni{sub 80}Fe{sub 20} were also found to be amorphized by Ti + C implantation, a key requirement for applying this treatment to Ni-based micro-electromechanical systems to reduce their friction and wear.

Physical Description

18 p.

Notes

OSTI as DE98001189

Source

  • 10. international conference on surface modification of metals by ion beams (SMMIB-10) and commercial exhibition, Gatlinburg, TN (United States), 21-26 Sep 1997

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  • Other: DE98001189
  • Report No.: SAND--97-1216C
  • Report No.: CONF-9709107--
  • Grant Number: AC04-94AL85000
  • Office of Scientific & Technical Information Report Number: 548627
  • Archival Resource Key: ark:/67531/metadc692485

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

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  • October 13, 1997

Added to The UNT Digital Library

  • Aug. 14, 2015, 8:43 a.m.

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  • April 14, 2016, 5:48 p.m.

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Follstaedt, D.M.; Myers, S.M.; Knapp, J.A.; Dugger, M.T. & Christenson, T.A. Microstructure of bulk and electro-formed Ni implanted with Ti and C, article, October 13, 1997; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc692485/: accessed June 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.