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

Autor: N. B. Efros, B. M. Efros, V. Ivchenko, E. Popova, Viktor Varyukhin
Rok vydání: 2006
Předmět:
Zdroj: Materials Science Forum. :995-1000
ISSN: 1662-9752
Popis: 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.
Databáze: OpenAIRE