Enhancement of high temperature mechanical strength of TiNi fiber/Al composite induced by shape memory effect

Yasubumi Furuya, Minoru Taya

研究成果: Article査読

11 被引用数 (Scopus)

抄録

This paper describes the shape memory effects of TiNi fiber Al matrix (TiNi/Al) composites on enhancement of its mechanical properties: tensile and fatigue resistance. A TiNi/Al composite was processed by a powder metallurgical route. The yield stress and fatigue resistance showed that they would increase with prestrain at temperature above the austenitic finish temperature of TiNi fiber (Af). The increases in tensile properties (yield stress) and fatigue resistance were attributed to the compressive stress field in the matrix which was induced when prestrained TiNi fibers shrank to its initial length upon heating above Af. The predictions based on the analytical model agreed reasonably well with the experiment.

本文言語English
ページ(範囲)1163-1172
ページ数10
ジャーナルNippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals
60
12
DOI
出版ステータスPublished - 1996

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanics of Materials
  • Metals and Alloys
  • Materials Chemistry

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