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Proceedings Paper

Processing and properties of TiNi shape memory fiber-reinforced 6061 aluminum matrix composite made by spark plasma sintering
Author(s): Kiyoshi Mizuuchi; Kanryu Inoue; K. Hamada; M. Sugioka; M. Itami; Y. Okanda; M. Kawahara
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Paper Abstract

Aluminum alloy matrix composite reinforced by continuous TiNi shape memory allow (SMA) fiber was fabricated by Spark Plasma Sintering (SPS) process of A1 alloy powder with 20 vol. % of the TiNi SMA fiber, and its microstructure and mechanical properties were examined. The A1 alloy powder with the TiNi fiber was readily consolidated into composite at temperatures between 633K and 873K. The relative packing density of the composite fabricated increased with increasing sintering temperature. Reaction occurred at the boundary between A1 alloy matrix and TiNi fiber and the interfacial reaction is considered to consist of three intermetallic phases, Ni3Ti (next to TiNI), Ni2Ti and Al3Ni (next to A1 matrix). The tensile yield stress of the composite deformed in tension at 373K was higher by about 40MPa than at 293K.

Paper Details

Date Published: 24 August 2000
PDF: 10 pages
Proc. SPIE 4073, Fifth European Conference on Smart Structures and Materials, (24 August 2000);
Show Author Affiliations
Kiyoshi Mizuuchi, Osaka Municipal Technical Research Institute (Japan)
Kanryu Inoue, Univ. of Washington (United States)
K. Hamada, Tokushima Univ. (Japan)
M. Sugioka, Osaka Municipal Technical Research Institute (Japan)
M. Itami, Osaka Municipal Technical Research Institute (Japan)
Y. Okanda, Osaka Municipal Technical Research Institute (Japan)
M. Kawahara, Izumi Technology Co., Ltd. (Japan)

Published in SPIE Proceedings Vol. 4073:
Fifth European Conference on Smart Structures and Materials
Pierre Francois Gobin; Clifford M. Friend, Editor(s)

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