Paper Title:
Nanoindentation and Micromechanical Testing of Iron-Chromium Alloys Implanted with Iron Ions
  Abstract

The mechanical properties of Fe-Cr alloys were investigated in as-grown and in post-ion-implanted conditions. Sets of specimens were produced using dual implantations of Fe+ ions to give 1µm deep damaged layers with average damage levels of 0.35 displacements per atom and 5.33 displacements per atom. Nanoindentation was used to measure hardness as a function of depth and showed that implanted material had a higher hardness than unimplanted material. Additionally, micron-scale cantilevers were fabricated from the ion-damaged surface of the material and were tested using a nanoindenter for AFM-imaging and loading. The mechanical properties deduced from the controlled loading of these cantilevers pertain only to radiation-damaged material, and for the high-dose material show significant changes in Young’s modulus, yield stress and work-hardening.

  Info
Periodical
Edited by
Ch. Linsmeier and M. Reinelt
Pages
304-307
DOI
10.4028/www.scientific.net/AMR.59.304
Citation
F.M. Halliday, D. E.J. Armstrong, J. D. Murphy, S. G. Roberts, "Nanoindentation and Micromechanical Testing of Iron-Chromium Alloys Implanted with Iron Ions", Advanced Materials Research, Vol. 59, pp. 304-307, 2009
Online since
December 2008
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$32.00
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