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Some aspects of the structure of cobalt and nickel binder phases in hardmetals
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Mingard, K. P., Roebuck, B., Marshall, Jessica M. and Sweetman, G. (2011) Some aspects of the structure of cobalt and nickel binder phases in hardmetals. Acta Materialia, 59 (6). pp. 2277-2290. doi:10.1016/j.actamat.2010.12.004 ISSN 1359-6454.
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Official URL: http://dx.doi.org/10.1016/j.actamat.2010.12.004
Abstract
This paper reports the assessment of the structure of Co and Ni binder phases in hardmetals, principally by electron backscatter diffraction. The binder phase is shown to form, in most cases, very large regions of a single-crystallographic orientation up to 50 times greater than the mean size of the WC grains between which the binder phase penetrates. The hexagonal close-packed form of Co appears to form much smaller grains but the orientations measured show that this results from the growth of a few variants on cooling from large face-centred cubic grains. Ni binder materials can form both large and small grains, a difference which can be detected by measurement of resistivity and magnetic moment.
| Item Type: | Journal Article | ||||||
|---|---|---|---|---|---|---|---|
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||||
| Journal or Publication Title: | Acta Materialia | ||||||
| Publisher: | Pergamon-Elsevier Science Ltd | ||||||
| ISSN: | 1359-6454 | ||||||
| Official Date: | April 2011 | ||||||
| Dates: |
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| Volume: | 59 | ||||||
| Number: | 6 | ||||||
| Page Range: | pp. 2277-2290 | ||||||
| DOI: | 10.1016/j.actamat.2010.12.004 | ||||||
| Status: | Peer Reviewed | ||||||
| Publication Status: | Published | ||||||
| Access rights to Published version: | Restricted or Subscription Access |
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