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Birtcher, R.C.; Blewitt, T.H.; Brown, B.S.; Scott, T.L.
Fundamental aspects of radiation damage in metals1975
Fundamental aspects of radiation damage in metals1975
AbstractAbstract
[en] It was found that the defect configurations resulting from fission neutrons and 235U fission fragments are very similar. Damage saturation can more conveniently be studied using fission fragments. The saturation of the electrical resistivity has been studied at 5 K with thermal neutron irradiation of copper containing 0.01, 0.02 and 0.10 atomic percent 235U. For radiation induced resistivity changes less than 0.25 μΩ-cm, the damage production rate was observed to be a linear function of the total radiation induced resistivity with an extrapolated saturation resistivity change of 0.35 μΩ-cm. For damage concentrations above 0.25 μΩ-cm, the damage production rate was nonlinear and approached a saturation resistivity of 0.48 μΩ-cm. Total resistivity changes of 0.475 μΩ-cm were achieved. The value of the extrapolated saturation resistivity agrees with the results of fission neutron-irradiation (rho/sub s/ = 0.34 μΩ-cm) but not with the results of electron-irradiations (rho/sub s/ = 0.76 μΩ-cm), for which the damage production rate was observed to be linear for total resistivity changes as great as 0.60 μΩ-cm
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Robinson, M.T.; Young, F.W. Jr. (eds.); Energy Research and Development Administration, Washington, D.C. (USA); National Science Foundation, Washington, D.C. (USA); Oak Ridge National Lab., Tenn. (USA); p. 138-144; 1975; International conference on radiation damage in metals; Gatlinburg, Tennessee, USA; 5 Oct 1975
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