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Fatigue deformation of microsized metallic glasses

Jang, Dongchan and Maaß, Robert and Wang, Gongyao and Liaw, Peter K. and Greer, Julia R. (2013) Fatigue deformation of microsized metallic glasses. Scripta Materialia, 68 (10). pp. 773-776. ISSN 1359-6462. http://resolver.caltech.edu/CaltechAUTHORS:20130506-072038332

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Abstract

Metallic glasses typically exhibit high strength and a high elastic limit but suffer from poor fatigue resistance. This work demonstrates that 1.6 micron diameter Zr-based metallic glass samples subjected to compressive fatigue cycling did not fail after 40 × 10^6 cycles. The fatigue endurance limit was shown to increase to more than 110% of bulk yield strength under compression–compression and up to 90% under bending; those of the same material with macroscopic dimensions are typically at 50% of bulk yield strength.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1016/j.scriptamat.2012.12.011 DOIArticle
http://www.sciencedirect.com/science/article/pii/S1359646212007841PublisherArticle
ORCID:
AuthorORCID
Greer, Julia R.0000-0002-9675-1508
Additional Information:© 2012 Acta Materialia Inc. Published by Elsevier Ltd. Received 23 October 2012; revised 4 December 2012; accepted 9 December 2012. Available online 20 December 2012. D.J., R.M. and J.R.G. gratefully acknowledge the financial support of Office of Naval Research (N00014-09-1-0883). R.M. also acknowledges the financial support of the Alexander von Humboldt foundation, as well as his Humboldt host G.M. Pharr. G.W. and P.K.L. also acknowledge the financial support from National Science Foundation (DMR-0909037, CMMI-0900271, and CMMI-1100080). The authors also acknowledge critical support and infrastructure provided for this work by the Kavli Nanoscience Institute at Caltech. The authors thank Prof. Yokoyama of Tohoku University for providing the bulk sample and Prof. William L. Johnson at Caltech for useful discussion.
Group:Kavli Nanoscience Institute
Funders:
Funding AgencyGrant Number
Office of Naval Research (ONR)N00014-09-1-0883
Alexander von Humboldt FoundationUNSPECIFIED
NSFDMR-0909037
NSFCMMI-0900271
NSFCMMI-1100080
Kavli Nanoscience InstituteUNSPECIFIED
Subject Keywords:Fatigue test; Fatigue; Metallic glass; Focused ion beam (FIB)
Record Number:CaltechAUTHORS:20130506-072038332
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20130506-072038332
Official Citation:Dongchan Jang, Robert Maaß, Gongyao Wang, Peter K. Liaw, Julia R. Greer, Fatigue deformation of microsized metallic glasses, Scripta Materialia, Volume 68, Issue 10, May 2013, Pages 773-776, ISSN 1359-6462, 10.1016/j.scriptamat.2012.12.011. (http://www.sciencedirect.com/science/article/pii/S1359646212007841)
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:38277
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:06 May 2013 14:51
Last Modified:09 Sep 2015 23:26

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