Correlation of microstructure and type II superconductivity of a heavily cold rolled Cu-20mass% Nb in situ composite
Journal Article
·
· Acta Materialia
- Rheinisch-Westfaelische Technische Hochschule Aachen (Germany). Inst. fuer Metallkunde und Metallphysik
A fiber reinforced in situ metal matrix composite (MMC) consisting of Cu and 20mass% Nb was manufactured by casting and heavy cold rolling without intermediate annealing. The deformation microstructure of the MMC was studied by the use of optical and electron microscopy. The normal and type II superconducting properties of the MMC sheets in the presence of external magnetic fields were examined and compared to the electromagnetic properties of pure Cu and Nb sheets. The results are interpreted in terms of the microstructural changes during rolling deformation. The current findings confirm that the number of internal boundaries and both the filament thickness and spacing have considerable influence on the type II superconducting properties of cold rolled Cu-20mass% Nb.
- OSTI ID:
- 215390
- Journal Information:
- Acta Materialia, Journal Name: Acta Materialia Journal Issue: 3 Vol. 44; ISSN XZ504Y; ISSN 1359-6454
- Country of Publication:
- United States
- Language:
- English
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