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Rapid identification of steatite–enstatite polymorphs at various temperatures

Reynard, Bruno and Bass, Jay D. and Jackson, Jennifer M. (2008) Rapid identification of steatite–enstatite polymorphs at various temperatures. Journal of the European Ceramic Society, 28 (13). pp. 2459-2462. ISSN 0955-2219. https://resolver.caltech.edu/CaltechAUTHORS:20130116-133616942

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Abstract

The mechanical properties of steatite ceramics after high-temperature processing depend on inversion of high-temperature Mg_2Si_2O_6 protoenstatite polymorph to low clino- or ortho-enstatite, which are characterized by Raman spectroscopy. The Raman spectrum of a pure Mg_2Si_2O_6 protoenstatite is sufficiently distinct from those of low clino- and ortho-enstatite to allow rapid identification in a bulk sample both at ambient and high temperatures. With its high-lateral resolution (about 2 μm), speed, and ease of application on rough materials, Raman spectroscopy can be used to map transformation sequences of enstatite in quenched materials or at high temperature during the fabrication of the steatite-type ceramics, and their relationship with microstructural defects such as voids and cracks.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1016/j.jeurceramsoc.2008.03.009DOIUNSPECIFIED
http://www.sciencedirect.com/science/article/pii/S0955221908001477PublisherUNSPECIFIED
ORCID:
AuthorORCID
Jackson, Jennifer M.0000-0002-8256-6336
Additional Information:© 2008 Elsevier Ltd. Received 20 December 2007; received in revised form 11 March 2008; accepted 15 March 2008. Available online 29 April 2008. Pascal Richet provided the ortho-enstatite samples and George Rossman provided the stabilized protoenstatite samples. The Institut National des Sciences de l’Univers supports the Raman facility at ENS Lyon. Additional support is provided through exchange program between CNRS and UIUC, and an invited professor position to JD Bass at ENS Lyon. This research was partially supported by the US National Science Foundation through a grant to JDB.
Group:Seismological Laboratory
Funders:
Funding AgencyGrant Number
NSFUNSPECIFIED
Subject Keywords:Silicate; Spectroscopy; Optical microscopy; Microstructure
Issue or Number:13
Record Number:CaltechAUTHORS:20130116-133616942
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20130116-133616942
Official Citation:Bruno Reynard, Jay D. Bass, Jennifer M. Jackson, Rapid identification of steatite–enstatite polymorphs at various temperatures, Journal of the European Ceramic Society, Volume 28, Issue 13, September 2008, Pages 2459-2462, ISSN 0955-2219, 10.1016/j.jeurceramsoc.2008.03.009.
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:36430
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:17 Jan 2013 22:57
Last Modified:24 Jan 2020 18:41

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