Solid-state amorphization of Zr/sub 3/Al: Evidence of an elastic instability and first-order phase transformation
Journal Article
·
· Phys. Rev. Lett.; (United States)
Changes in shear elastic constant, long-range order, and lattice parameter were measured during disordering and eventual amorphization of Zr/sub 3/Al by ion irradiation. Large (approx. =50%) elastic softening was observed during disordering, and anomalies occurred in all three measured parameters over a narrow range of ion doses. The results indicate that a first-order phase transformation triggered by an elastic instability occurs during solid-state amorphization. The changes reported here during disordering and amorphization are very similar to behavior observed previously in a large number of solids during heating to melting.
- Research Organization:
- Materials Science Division, Argonne National Laboratory, Argonne, Illinois 60439
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 5743603
- Journal Information:
- Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 59:26; ISSN PRLTA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360102* -- Metals & Alloys-- Structure & Phase Studies
360106 -- Metals & Alloys-- Radiation Effects
ALLOYS
ALUMINIUM ALLOYS
AMORPHOUS STATE
BRILLOUIN EFFECT
CHARGED PARTICLES
COHERENT SCATTERING
DISTANCE
ELECTRON MICROSCOPY
INSTABILITY
INTERACTION RANGE
IONS
MECHANICAL PROPERTIES
MICROSCOPY
ORDER PARAMETERS
ORDER-DISORDER TRANSFORMATIONS
PHASE TRANSFORMATIONS
PHYSICAL RADIATION EFFECTS
RADIATION EFFECTS
SCATTERING
SHEAR PROPERTIES
TRANSMISSION ELECTRON MICROSCOPY
ZIRCONIUM ALLOYS
360102* -- Metals & Alloys-- Structure & Phase Studies
360106 -- Metals & Alloys-- Radiation Effects
ALLOYS
ALUMINIUM ALLOYS
AMORPHOUS STATE
BRILLOUIN EFFECT
CHARGED PARTICLES
COHERENT SCATTERING
DISTANCE
ELECTRON MICROSCOPY
INSTABILITY
INTERACTION RANGE
IONS
MECHANICAL PROPERTIES
MICROSCOPY
ORDER PARAMETERS
ORDER-DISORDER TRANSFORMATIONS
PHASE TRANSFORMATIONS
PHYSICAL RADIATION EFFECTS
RADIATION EFFECTS
SCATTERING
SHEAR PROPERTIES
TRANSMISSION ELECTRON MICROSCOPY
ZIRCONIUM ALLOYS