Title of article
Irradiation-induced changes of martensitic transformation temperatures in a TiNiNb shape memory alloy
Author/Authors
H.Q. Mo، نويسنده , , X.T. ZU?، نويسنده , , Y. Huo، نويسنده ,
Issue Information
دوهفته نامه با شماره پیاپی سال 2005
Pages
5
From page
41
To page
45
Abstract
Effects of electron irradiations on the transition behavior of 1123 K annealed Ti44Ni47Nb9 shape memory alloy specimens were studied. The transformation temperatures and the latent heat of phase transformation were measured by differential scanning calorimeter (DSC). The microstructure changes were determined by XRD and TEM. The 1.7 MeV electron irradiation increases the martensitic transformation start temperature, finish temperature, austenite transformation start, finish temperature by ∼20 K. The XRD and TEM observation showed that the volume fraction of β-Nb precipitate increased after electron irradiation, which contributed to the observed changes of the transformation temperatures.
Keywords
TiNiNb shape memory alloys , Electron irradiation effects , Transmission electron microscopy , Martensitic transformation , Differential scanning calorimeter
Journal title
Thermochimica Acta
Serial Year
2005
Journal title
Thermochimica Acta
Record number
1196730
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