Substructure of Ultrafine Grained Metals after Intensive External Influences at Study of Field Ion Microscopy Method

Abstract:

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It has been revealed that in Iridium influenced be severe plastic deformation (SPD) a ultrafine grained (UFG) structure is formed (the grain size of 20-30 nm), but in the bodies of grains there are practically no defects of structure, however, after irradiation a subgrain structure, (subgrain size of 3-5 nm) is formed, and in the bodies of subgrains there are defects. The subgrain structure was also revealed in UFG Nickel and Copper after SPD (subgrain size of 3-15 nm), but in the latter case the observed boundary region is broader and subgrain are highly disoriented.

Info:

Periodical:

Materials Science Forum (Volumes 503-504)

Edited by:

Zenji Horita

Pages:

995-1000

DOI:

10.4028/www.scientific.net/MSF.503-504.995

Citation:

V. Varyukhin et al., "Substructure of Ultrafine Grained Metals after Intensive External Influences at Study of Field Ion Microscopy Method", Materials Science Forum, Vols. 503-504, pp. 995-1000, 2006

Online since:

January 2006

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$35.00

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