Cation self-diffusion in fast neutron-irradiated beryllium oxide

A considerable enhancement of beryllium self-diffusion rates in irradiated polycrystalline beryllium oxide has been observed which is strongly time-dependent above 800°C. Amongst the possible mechanisms, increased point defect concentrations and long-range disorder due to lattice expansion could acc...

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Veröffentlicht in:	Phil. Mag., 16: 427-30(Aug. 1967) 16: 427-30(Aug. 1967), 1967-08, Vol.16 (140), p.427-430
Hauptverfasser:	De Bruin, H. J., Watson, G. M., Blood, C. M., Roman, D.
Format:	Artikel
Sprache:	eng
Schlagworte:	ANNEALING BERYLLIUM BERYLLIUM OXIDES BERYLLIUM OXIDES/radioinduced beryllium diffusion in polycrystalline, fast neutron CRYSTALS DIFFUSION FAST NEUTRONS IRRADIATION N30150 -Metals, Ceramics, & Other Materials-Metals & Alloys-Radiation Effects NEUTRONS, FAST/effects on beryllium diffusion in beryllium oxides RADIATION EFFECTS SENSITIVITY
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Zusammenfassung:	A considerable enhancement of beryllium self-diffusion rates in irradiated polycrystalline beryllium oxide has been observed which is strongly time-dependent above 800°C. Amongst the possible mechanisms, increased point defect concentrations and long-range disorder due to lattice expansion could account for the observed enhancement.
ISSN:	0031-8086
DOI:	10.1080/14786436708229755