DSC-Analysis of thermomechanically treated TiNi shape memory alloy

J. Beyer; P.A. Besselink; A.J. Aartsen

doi:10.1016/0040-6031(85)85561-1

DSC-Analysis of thermomechanically treated TiNi shape memory alloy

J. Beyer, P.A. Besselink, A.J. Aartsen

University of Twente

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Abstract

The martensitic transformation behaviour, after thermomechanical treatment of the TiNi-alloy with two-way shape memory, have been studied by differential scanning calorimetry. The results are correlated with electrical resistivity and electron microscopical observations. One heating and cooling cycle in the martensitic temperature range (−60/+70 °C) is recorded in order to separate the respective transformation processes involved. DSC curves of a series of sequential cycles illustrate the reversibility of the pre-martensitic structural change. Additionally, evidence is sought for the tetragonal lattice distortion which can occur in the austenitic lattice after heating up to 200 °C. All the observations showed that DSC is an important tool in the investigation of complex phase transitions.

Original language	Undefined
Pages (from-to)	187-190
Journal	Thermochimica acta
Volume	85
DOIs	https://doi.org/10.1016/0040-6031(85)85561-1
Publication status	Published - 1985

Keywords

IR-69392

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10.1016/0040-6031(85)85561-1

Beyer85dsc

Cite this

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title = "DSC-Analysis of thermomechanically treated TiNi shape memory alloy",

abstract = "The martensitic transformation behaviour, after thermomechanical treatment of the TiNi-alloy with two-way shape memory, have been studied by differential scanning calorimetry. The results are correlated with electrical resistivity and electron microscopical observations. One heating and cooling cycle in the martensitic temperature range (−60/+70 °C) is recorded in order to separate the respective transformation processes involved. DSC curves of a series of sequential cycles illustrate the reversibility of the pre-martensitic structural change. Additionally, evidence is sought for the tetragonal lattice distortion which can occur in the austenitic lattice after heating up to 200 °C. All the observations showed that DSC is an important tool in the investigation of complex phase transitions.",

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T1 - DSC-Analysis of thermomechanically treated TiNi shape memory alloy

AU - Beyer, J.

AU - Besselink, P.A.

AU - Aartsen, A.J.

PY - 1985

Y1 - 1985

N2 - The martensitic transformation behaviour, after thermomechanical treatment of the TiNi-alloy with two-way shape memory, have been studied by differential scanning calorimetry. The results are correlated with electrical resistivity and electron microscopical observations. One heating and cooling cycle in the martensitic temperature range (−60/+70 °C) is recorded in order to separate the respective transformation processes involved. DSC curves of a series of sequential cycles illustrate the reversibility of the pre-martensitic structural change. Additionally, evidence is sought for the tetragonal lattice distortion which can occur in the austenitic lattice after heating up to 200 °C. All the observations showed that DSC is an important tool in the investigation of complex phase transitions.

AB - The martensitic transformation behaviour, after thermomechanical treatment of the TiNi-alloy with two-way shape memory, have been studied by differential scanning calorimetry. The results are correlated with electrical resistivity and electron microscopical observations. One heating and cooling cycle in the martensitic temperature range (−60/+70 °C) is recorded in order to separate the respective transformation processes involved. DSC curves of a series of sequential cycles illustrate the reversibility of the pre-martensitic structural change. Additionally, evidence is sought for the tetragonal lattice distortion which can occur in the austenitic lattice after heating up to 200 °C. All the observations showed that DSC is an important tool in the investigation of complex phase transitions.

KW - IR-69392

U2 - 10.1016/0040-6031(85)85561-1

DO - 10.1016/0040-6031(85)85561-1

M3 - Article

SN - 0040-6031

VL - 85

SP - 187

EP - 190

JO - Thermochimica acta

JF - Thermochimica acta

ER -