On the correlation of microstructure and electromagnetic properties of heavily cold worked Cu-20 wt% Nb wires

Journal Article · Fri Mar 31 23:00:00 EST 1995 · Acta Metallurgica et Materialia

DOI:https://doi.org/10.1016/0956-7151(94)00378-U· OSTI ID:39848

Heringhaus, F; Raabe, D; Gottstein, G ^[1]

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1. Rheinisch-Westfaelische Technische Hochschule, Aachen (Germany). Inst. fuer Metallkunde und Metallphysik

Fiber or ribbon reinforced in situ metal matrix composites (MMCs) consisting of Cu and 20 wt% Nb were produced by large strain wire drawing. The microstructure of the composites was investigated by means of optical and electron microscopy. The normal and superconducting properties of the MMC wires in the presence of external magnetic fields were examined and compared to the electromagnetic properties of pure Cu wires. The findings are discussed on the basis of the microstructural changes during deformation. The current results substantiate that the amount of internal boundaries and the filament spacing have considerable influence on the normal and superconducting properties of Cu-20%Nb.

• OSTI ID: 39848
• Journal Information: Acta Metallurgica et Materialia, Journal Name: Acta Metallurgica et Materialia Journal Issue: 4 Vol. 43; ISSN 0956-7151; ISSN AMATEB
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
COMPOSITE MATERIALS
COPPER
DEFORMATION
DRAWING
ELECTRICAL PROPERTIES
MAGNETIC FIELDS
MICROSTRUCTURE
NIOBIUM
SUPERCONDUCTIVITY