Published June 12, 1989 | Version v1
Journal article Metadata-only

Positron annihilation study of η' precipitation kinetics in an aluminium alloy

Creators

  • 1. Federal Mogul SpA, Cuorgne (Italy)
  • 2. ENEA, Bologna (Italy)
  • 3. Politecnico di Milano, Milan (Italy). Ist. di Fisica
  • 4. Buenos Aires Univ. (Argentina)

Description

The decomposition of a technical Al-based alloy (Zergal 4) has been studied by positron annihilation techniques. The observed dependence of annihilation characteristics on the aging time is attributed to a change in the positron state due to the transformation of Guinier-Preston zones into semi-coherent η' particles. Predictions based on the Lifshitz-Slyozov-Wagner precipitation theory are in excellent agreement with the experimental data. (author)

Additional details

Publishing Information

Journal Title
Journal of Physics: Condensed Matter
Journal Volume
1
Journal Issue
23
Series
J. Phys.: Condens. Matter.
Journal Page Range
3679-3686
ISSN
0953-8984
CODEN
JCOME

INIS

Country of Publication
United Kingdom
Country of Input or Organization
United Kingdom
INIS RN
20070435
Subject category
S75: CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY;
Resource subtype / Literary indicator
Numerical Data
Descriptors DEI
AGING; ALUMINIUM BASE ALLOYS; ANNIHILATION; BRINELL HARDNESS; EXPERIMENTAL DATA; GUINIER-PRESTON ZONES; LIFETIME; MATHEMATICAL MODELS; PHASE DIAGRAMS; PHYSICAL RADIATION EFFECTS; POSITRONS; PRECIPITATION; REACTION KINETICS; TIME DEPENDENCE
Descriptors DEC
ALLOYS; ALUMINIUM ALLOYS; ANTILEPTONS; ANTIMATTER; ANTIPARTICLES; DATA; DIAGRAMS; ELEMENTARY PARTICLES; FERMIONS; INFORMATION; INTERACTIONS; KINETICS; LEPTONS; MATTER; NUMERICAL DATA; PARTICLE INTERACTIONS; RADIATION EFFECTS; SEPARATION PROCESSES; ZONES