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Effect of Equal Channel Angular Pressing and Repeated Rolling on Structure, Phase Transformations and Properties of TiNi Shape Memory Alloys

V. G. Pushin, R. Z. Valiev, Y. T. Zhu, S. D. Prokoshkin, D. V. Gunderov, L. I. Yurchenko

Research output: Chapters, Conference Papers, Creative and Literary WorksRGC 32 - Refereed conference paper (with host publication)peer-review

Abstract

The nanostructured TiNi-based shape-memory alloys were synthesized by multi-step SPD deformations - ECAP plus cold rolling or drawing. It is found that the SPD processing changed the morphology of the martensite and temperature of martensite transformation. Also, we found that the mechanical and shape memory properties can be enhanced by forming nanostructures in these alloys. SPD processing renders higher strength, higher yield dislocation strength and in results - higher recovery stress and maximum reverse strain of shape memory.
Original languageEnglish
Title of host publicationNanomaterials by Severe Plastic Deformation
EditorsZenji Horita
Place of PublicationSwitzerland
PublisherTrans Tech Publications Ltd.
Pages539-544
ISBN (Print)0878499857, 9780878499854
DOIs
Publication statusPublished - 2006
Externally publishedYes
Event3rd International Conference on Nanomaterials by Severe Plastics Deformation (NanoSPD3) - Fukuoka, Japan
Duration: 22 Sept 200526 Sept 2005

Publication series

NameMaterials Science Forum
Volume503-504
ISSN (Print)0255-5476
ISSN (Electronic)1662-9752

Conference

Conference3rd International Conference on Nanomaterials by Severe Plastics Deformation (NanoSPD3)
PlaceJapan
CityFukuoka
Period22/09/0526/09/05

Research Keywords

  • Martensite transformation
  • Nanostracture
  • Severe plastic deformation
  • Shape memory
  • TiNi-based alloys

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