Landolt-Börnstein - Group III Condensed Matter

Atomic Defects in Metals · U

Abstract

This chapter discusses isochronal annealing of electrical resistivity of U (uranium) after different neutron irradiations. Due to the anisotropic mechanical properties of α-U the thermal cycling connected with the isochronal annealing programms leads to irreproducible changes at Δρ and reliable data can only be obtained from single crystals or quasi-single crystals. Positron data on the vacancy formation energy are available for the high temperature phases only, however self diffusion has been investigated for the α-phase. A steep annealing stage I was observed between 7K and 20K after irradiation with 1.7 MeV electrons. However, strong thermal cycling effects obscure these results obtained with polycrystalline samples.

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Title
Atomic Defects in Metals · U
Book Title
Atomic Defects in Metals
In
2.5.2 Data
Book DOI
10.1007/b37800
Chapter DOI
10.1007/10011948_86
Part of
Landolt-Börnstein - Group III Condensed Matter
Volume
25
Editors
  • H. Ullmaier
  • Authors
  • P. Ehrhart
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