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A Note on the Determination of Relaxation and Creep Data from Ramp Tests

Lee, S. and Knauss, W. G. (2000) A Note on the Determination of Relaxation and Creep Data from Ramp Tests. Mechanics of Time-Dependent Materials, 4 (1). pp. 1-7. ISSN 1385-2000. https://resolver.caltech.edu/CaltechAUTHORS:20190826-124739257

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Abstract

The response of (linearly) viscoelastic material is approximately the same for ramp and true step strain histories once an initial time interval of about ten times the ramp-up time has passed.Because the loss of relaxation data during that initial time can be a substantial portion of the total (logarithmically measured) time scale, a simple method is documented for exploiting data obtained from the initial ramp history via a recursion formula. Comparison of data obtained in ramp and relaxation histories are demonstrated to yield good results within the accuracy of the test method.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1023/a:1009827622426DOIArticle
https://rdcu.be/bPBm0PublisherFree ReadCube access
Additional Information:© Kluwer Academic Publishers 2000. (Received 18 November 1999; accepted 21 January 2000)
Group:GALCIT
Subject Keywords:creep, relaxation data, viscoelasticity
Issue or Number:1
Record Number:CaltechAUTHORS:20190826-124739257
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20190826-124739257
Official Citation:Lee, S. & Knauss, W. Mechanics of Time-Dependent Materials (2000) 4: 1. https://doi.org/10.1023/A:1009827622426
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:98232
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:26 Aug 2019 21:51
Last Modified:03 Oct 2019 21:39

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