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001-es BibID:BIBFORM008863
Első szerző:Tőkei Zsolt
Cím:Effect of sulphur content and pre-annealing treatments on nickel grain-boundary diffusion in high-purity copper / Zs. Tőkei, Z. Erdeacutelyi ab, Ch. Girardeaux, A. Rolland
Dátum:2000
ISSN:0141-8610
Megjegyzések:Anger electron spectroscopy (AES) and radiotracers were used to study the effects of pre-annealing treatments and grain boundary migration on nickel grain-boundary diffusion in pure 5N copper at 718 K in the B-kinetic regime. The diffusion penetration profiles are complex, which can be interpreted by the copresence of stationary and moving grain boundaries. Attempts to emphasize the grain-boundary migration effect were made by the application of different pre-annealing treatments before diffusion. It was shown by AES that this preparation procedure induces a modification in the bulk sulphur content which is a residual impurity in 5N copper. It is shown that a few ppm of sulphur dissolved in the bulk has a pronounced influence on the data; the higher the sulphur content, the lower the triple-product and the grain-boundary migration velocity.
Tárgyszavak:Természettudományok Fizikai tudományok idegen nyelvű folyóiratközlemény külföldi lapban
Megjelenés:Philosophical Magazine. A, Physics of Condensed Matter Defects and Mechanical Properties. - 80 : 5 (2000), p. 1075-1083. -
További szerzők:Erdélyi Zoltán (1974-) (fizikus) Girardeaux, Christophe Rolland, Andrée
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