CaltechAUTHORS
  A Caltech Library Service

Thermal-tempering analysis of bulk metallic glass plates using an instant-freezing model

Aydiner, C. C. and Üstündag, E. and Hanan, J. C. (2001) Thermal-tempering analysis of bulk metallic glass plates using an instant-freezing model. Metallurgical and Material Transactions A, 32 (11). pp. 2709-2715. ISSN 1073-5623. doi:10.1007/s11661-001-1023-8. https://resolver.caltech.edu/CaltechAUTHORS:20200323-105616122

Full text is not posted in this repository. Consult Related URLs below.

Use this Persistent URL to link to this item: https://resolver.caltech.edu/CaltechAUTHORS:20200323-105616122

Abstract

The viscoelastic nature of bulk metallic glasses (BMGs), their low thermal conductivity, and the fast cooling used in their processing subject them to thermal tempering. This process leads to a residual stress state in which compression on the surface is balanced by tension in the interior. For the first time, we have calculated such stresses in metallic glasses by adapting an analytical instant-freezing model previously developed for silicate glasses. This model has been demonstrated to be reasonably accurate in predicting the final residual stresses, although, due to its very nature, it neglects transient effects. For an infinite plate geometry and employing processing parameters often used for metallic glasses, we predict that significant residual stresses can be generated in these materials during thermal tempering. Preliminary measurements conducted using the layer-removal method yield compressive residual stress values close to model predictions.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1007/s11661-001-1023-8DOIArticle
https://rdcu.be/b3bNSPublisherFree ReadCube access
Additional Information:© 2001 Springer-Verlag. Received 17 January 2000. This study was supported by the Army Research Office (Grant No. DAAD19-00-1-0379). Insightful discussions with Professor W.L. Johnson (Caltech) on BMG processing and properties are appreciated.
Funders:
Funding AgencyGrant Number
Army Research Office (ARO)DAAD19-00-1-0379
Issue or Number:11
DOI:10.1007/s11661-001-1023-8
Record Number:CaltechAUTHORS:20200323-105616122
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20200323-105616122
Official Citation:Aydiner, C.C., Üstündag, E. & Hanan, J.C. Thermal-tempering analysis of bulk metallic glass plates using an instant-freezing model. Metall and Mat Trans A 32, 2709 (2001). https://doi.org/10.1007/s11661-001-1023-8
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:102048
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:23 Mar 2020 18:48
Last Modified:16 Nov 2021 18:08

Repository Staff Only: item control page