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Paper Titles
The Dynamic Impact Behaviors of NiTi Alloy
p.1933
Self-Tension of Martensite during Constrained Transformation
p.1937
Synthesis of TiNi Particles in High Temperature Molten Salts
p.1941
Effect of Nb-Content on Mechanical Properties of (Ni47Ti44)100-xNbx Shape Memory Alloys
p.1945
Effects of Pre-Strain and Nb Content on Transformation Temperatures in Ti-Ni-Nb Shape Memory Alloy
p.1949
Influence of Cold Working on Deformation Behavior and Shape Memory Effect of Ti-Ni-Nb
p.1953
Shape Memory Alloy Pipe-Joint with Copper Coating
p.1957
Influence of Cyclic Deformation on Shape Memory Characteristics of Ti-Ni-Cu Alloys Fabricated by Pulse-Current Pressure Sintering Method
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The Effect of Rapidly Solidified Microstructures on the Martensitic Transformation in Ti50-Ni45-Cu5 Shape Memory Alloys
p.1965

Effects of Pre-Strain and Nb Content on Transformation Temperatures in Ti-Ni-Nb Shape Memory Alloy

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Abstract:

Ti-Ni-Nb shape memory alloy has a wide transformation hysteresis, and has been used as coupling devices and so on. However systematic researches of the influence of the amount of Nb addition on transformation temperatures are few. The purpose of this work is to clarify the influences of pre-strain and Nb content on transformation temperatures in Ti-Ni-Nb shape memory alloys. The specimens were Ti-Ni-Nb alloys (Ni/Ti=1.0, Nb=0-15at%), annealed at 1223 K for 0.3 ks. The variation of transformation temperatures with pre-strain and Nb content were investigated experimentally. The variation of As, Ms and transformation temperature hysteresis with pre-strain and Nb content will be discussed in relation to the elastic strain energy and the volume fraction of slip-deformed martensite.

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Periodical:

Materials Science Forum (Volumes 475-479)

Pages:

1949-1952

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.475-479.1949

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Online since:

January 2005

Authors:

Toshio Sakuma, Yuji Mihara, Yasuo Ochi, M. Ozawa, K. Okita, N. Okabe

Keywords:

Pre-Strain, Shape Memory Alloy Actuator, Ti-Ni Alloy, Ti-Ni-Nb Alloy, Transformation Hysteresis, Transformation Temperature, Volume Fraction of Slip-Deformed Martensite

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© 2005 Trans Tech Publications Ltd. All Rights Reserved

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