| Title |
Structural Analysis of Cu-Nb Filamentary Nanocomposite |
| Authors |
문정호(Mun Jeong Ho); 조종우(Jo Jong U); 이갑호(Lee Gab Ho); 홍순익(Hong Sun Ig) |
| ISSN |
1738-8228(ISSN), 2288-8241(eISSN) |
| Keywords |
Cu-Nb filamentary nanocomposite; High resolution electron microscopy; Image processing; Interphase interface structure; Misfit dislocation; Twin structure |
| Abstract |
The microstructure of Cu-15 wt%Nb filamentary nanocomposite fabricated by the bundling and drawing process were characterized using high resolution electron microscopy and the computer-aided image processing. Nb filaments were randomly distributed throughout the copper matrix and appeared to be straight or slightly curved in the bundled wires. The copper grain is observed in a <110> zone axis while two differently oriented grains are found in the niobium filaments, a first grain being observed in a <111> direction, the other in a <001> zone axis. The semi-coherent interface with periodic misfit dislocations was formed to have {002}_(Cu)||{110}_(Nb), <100>_(Cu)||<110>_(Nb) orientation relationship and the interface was parallel to <100>_(Cu). The micro-twins having {112} twin planes were observed in a few niobium filaments. |