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Martensitic phase transitions

Abstract

Many elements transform from a high temperature bcc phase to a more dense packed temperature phase. The great majority of these transitions are of 1st order, displacive and reconstructive. The lattice potentials which govern these martensitic transitions can be probed by inelastic neutron scattering, thereby answering fundamental questions like : Will the transition be announced by dynamical or static fluctuations? What are the trajectories for the displacements needed for the transformation? Does the vibrational entropy stabilize the high temperature phase? Are the unusual transport properties in these materials related to their ability to transform? (author) 17 figs., 1 tab., 46 refs.
Authors:
Petry, W; Neuhaus, J [1] 
  1. Techn. Universitaet Muenchen, Physik Department E13, Munich (Germany)
Publication Date:
Nov 01, 1996
Product Type:
Miscellaneous
Report Number:
PSI-PROC-96-02; CONF-9608191-
Reference Number:
SCA: 665100; PA: AIX-28:024558; EDB-97:076577; SN: 97001789417
Resource Relation:
Conference: 4. summer school on neutron scattering, Zuoz (Switzerland), 18-24 Aug 1996; Other Information: PBD: Nov 1996; Related Information: Is Part Of New instruments and science around SINQ. Lecture notes of the 4. summer school on neutron scattering; Furrer, A. [ed.]; PB: 454 p.; PSI-Proceedings 96-02
Subject:
66 PHYSICS; NEUTRONS; INELASTIC SCATTERING; ENTROPY; EXPERIMENTAL DATA; MARTENSITE; PHASE TRANSFORMATIONS; PHONONS; TRANSITION ELEMENTS; TRANSITION TEMPERATURE
OSTI ID:
475551
Country of Origin:
Switzerland
Language:
English
Other Identifying Numbers:
Journal ID: ISSN 1019-6447; Other: ON: DE97623521; TRN: CH9700050024558
Availability:
OSTI as DE97623521
Submitting Site:
CHN
Size:
pp. 293-315
Announcement Date:

Citation Formats

Petry, W, and Neuhaus, J. Martensitic phase transitions. Switzerland: N. p., 1996. Web.
Petry, W, & Neuhaus, J. Martensitic phase transitions. Switzerland.
Petry, W, and Neuhaus, J. 1996. "Martensitic phase transitions." Switzerland.
@misc{etde_475551,
title = {Martensitic phase transitions}
author = {Petry, W, and Neuhaus, J}
abstractNote = {Many elements transform from a high temperature bcc phase to a more dense packed temperature phase. The great majority of these transitions are of 1st order, displacive and reconstructive. The lattice potentials which govern these martensitic transitions can be probed by inelastic neutron scattering, thereby answering fundamental questions like : Will the transition be announced by dynamical or static fluctuations? What are the trajectories for the displacements needed for the transformation? Does the vibrational entropy stabilize the high temperature phase? Are the unusual transport properties in these materials related to their ability to transform? (author) 17 figs., 1 tab., 46 refs.}
place = {Switzerland}
year = {1996}
month = {Nov}
}