Studies of the Structure and Properties of Amorphous a-Zr76Fe24Hx

Abstract

The a-Zr76Fe24Hx samples with x < or = 173 have been shown to remain amorphous after reaction of the glassy alloy with gaseous hydrogen. Magnetic susceptibility and Mossbauer spectroscopy indicate that the electronic structure of the alloy is modified upon hydrogen absorption. Proton spin-lattice relaxation times suggest a strong hyperfine interaction with the iron d-states. The vibrational spectrum of a-Zr7+Fe24H173 from inelastic neutron scattering shows hydrogen occupancy in a distribution of tetrahedral interstitial sites. Calorimetry and x-ray diffraction demonstrate that a Zr76Fe24H(x) with x > 140 irreversibly crystallizes into c-Zr(Hx) and ZrFe2. Keywords: Zirconium alloys, Iron, Amorphous alloys, hydrogen, Thermal stability, Metal hydrides, Mossbauer effect, Nuclear magnetic resonance, Glassy alloys.

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Document Details

Document Type
Technical Report
Publication Date
May 31, 1989
Accession Number
ADA214646

Entities

People

  • A. J. Maeland
  • E. L. Venturini
  • J. J. Rush
  • K. M. Unruh
  • R. C.. Bowman Jr.

Organizations

  • The Aerospace Corporation

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Air Force
  • Air Force Facilities
  • Chemistry
  • Classification
  • Contracts
  • Corporations
  • Crystallization
  • Diffraction
  • Elements
  • Magnetic Fields
  • Magnetic Resonance
  • Measurement
  • Scattering
  • Security
  • Space Systems
  • Spectra
  • Vibrational Spectra

Fields of Study

  • Materials science
  • Physics

Readers

  • Materials Science and Engineering.

Technology Areas

  • Microelectronics