Effect of hydrostatic pressures on thermoelastic martensitic transformations

D. Beke, L. Daróczi, C. Lexcellent, V. Mertinger

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

Supposing that - according to the Clausius-Clapeyron equation - the volume change of the transformation is responsible for the pressure dependence of the equilibrium temperature To, and that the elastic energy term, eo, corresponding to the martensite start, Ms, (and austenite finish, Af,) temperatures, differs from zero as well, the pressure dependence of the elastic and dissipative energy terms of the marteusitic and reverse transformations can be separated. It is illustrated by the example of our experimental results for the pressure effect on the transformations in Cu-22at%Zn-12at%Al-1at%Mn as well as in near equiatomie NiTi shape memory alloys. The elastic energy term, eo, showed different behaviour in the low-pressure range for samples of different pre-history, while at high pressures the pressure dependence of the elastic and dissipative terms showed a more general trend.

Original languageEnglish
Title of host publicationJournal De Physique. IV : JP
EditorsG. Airoldi, S. Besseghini
Volume11
Edition8
Publication statusPublished - Nov 2001
Event5th European Symposium on Martensitic Transformations and Shape Memory Alloys ESOMAT'2000 - Villa Olmo, Como, Italy
Duration: Sep 4 2000Sep 8 2000

Other

Other5th European Symposium on Martensitic Transformations and Shape Memory Alloys ESOMAT'2000
CountryItaly
CityVilla Olmo, Como
Period9/4/009/8/00

Fingerprint

martensitic transformation
hydrostatic pressure
pressure dependence
shape memory alloys
pressure effects
austenite
martensite
energy
low pressure
histories
trends
temperature

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Beke, D., Daróczi, L., Lexcellent, C., & Mertinger, V. (2001). Effect of hydrostatic pressures on thermoelastic martensitic transformations. In G. Airoldi, & S. Besseghini (Eds.), Journal De Physique. IV : JP (8 ed., Vol. 11)

Effect of hydrostatic pressures on thermoelastic martensitic transformations. / Beke, D.; Daróczi, L.; Lexcellent, C.; Mertinger, V.

Journal De Physique. IV : JP. ed. / G. Airoldi; S. Besseghini. Vol. 11 8. ed. 2001.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Beke, D, Daróczi, L, Lexcellent, C & Mertinger, V 2001, Effect of hydrostatic pressures on thermoelastic martensitic transformations. in G Airoldi & S Besseghini (eds), Journal De Physique. IV : JP. 8 edn, vol. 11, 5th European Symposium on Martensitic Transformations and Shape Memory Alloys ESOMAT'2000, Villa Olmo, Como, Italy, 9/4/00.
Beke D, Daróczi L, Lexcellent C, Mertinger V. Effect of hydrostatic pressures on thermoelastic martensitic transformations. In Airoldi G, Besseghini S, editors, Journal De Physique. IV : JP. 8 ed. Vol. 11. 2001
Beke, D. ; Daróczi, L. ; Lexcellent, C. ; Mertinger, V. / Effect of hydrostatic pressures on thermoelastic martensitic transformations. Journal De Physique. IV : JP. editor / G. Airoldi ; S. Besseghini. Vol. 11 8. ed. 2001.
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