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On β AuCd martensites

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Abstract

The martensites which form fromβ AuCd alloys have been studied by X-ray diffraction using both powder and single-crystal techniques. Alloys containing 46.8 to 51.0 at. pct Cd were examined. Besides the parent phaseβ only two other phases were observed:β′ andβ“. A new unit cell is proposed for β” which has 18 atoms and trigonal-hexagonal point symmetry. All previous 0“ crystal structure proposals are reviewed critically. The relationship of theβ” crystal structure to the β-to-β“martensitic transition is discussed.

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Authors and Affiliations

  1. Cryogenics Division, NBS-Institute for Basic Standards, Boulder, Colo., USA

    H. M. Ledbetter (Metallurgist)

  2. Department of Metallurgy and Mining Engineering and Materials Research Laboratory, University of Illinois at Urbana-Champaign, USA

    C. M. Wayman (Professor)

Authors
  1. H. M. Ledbetter
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  2. C. M. Wayman
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Additional information

H. M. Ledbetter, formerly Graduate Student, Department of Metallurgy and Mining Engineering, University of Illinois at UrbanaChampaign

This paper is based on a thesis submitted by H. M. LEDBETTER in partial fulfillment of the requirements of the degree of Doctor of Philosopy at the University of Illinois at Urbana-Champaign.

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Ledbetter, H.M., Wayman, C.M. On β AuCd martensites. Metall Trans 3, 2349–2356 (1972). https://doi.org/10.1007/BF02647037

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  • DOI: https://doi.org/10.1007/BF02647037

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