Predicting crack propagation and creep fracture

J. Koivisto; M. Ovaska; A. Miksic; L. Laurson; M. J. Alava

Predicting crack propagation and creep fracture

J. Koivisto, M. Ovaska, A. Miksic, L. Laurson, M. J. Alava

Research output: Contribution to conference › Paper › Scientific › peer-review

Abstract

Materials follow a creep behavior under constant loading where the global strain rate first slows down and then accelerates. Material heterogeneities however introduce variations inside samples and the local strain rates vary significantly from each other and the global strain rates. We predict the failure of heterogeneous 2D paper samples using the universal features of the creep curve and show the local nature of the failure sites with image analysis.

Original language	English
Pages	84-85
Number of pages	2
Publication status	Published - 1 Jan 2017
MoE publication type	Not Eligible
Event	International Conference on Fracture - Rhodes, Greece Duration: 18 Jun 2017 → 20 Jun 2017 Conference number: 14

Conference

Conference	International Conference on Fracture
Abbreviated title	ICF
Country	Greece
City	Rhodes
Period	18/06/2017 → 20/06/2017

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Koivisto, J., Ovaska, M., Miksic, A., Laurson, L., & Alava, M. J. (2017). Predicting crack propagation and creep fracture. 84-85. Paper presented at International Conference on Fracture, Rhodes, Greece.

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AU - Ovaska, M.

AU - Miksic, A.

AU - Laurson, L.

AU - Alava, M. J.

N1 - Conference code: 14

PY - 2017/1/1

Y1 - 2017/1/1

N2 - Materials follow a creep behavior under constant loading where the global strain rate first slows down and then accelerates. Material heterogeneities however introduce variations inside samples and the local strain rates vary significantly from each other and the global strain rates. We predict the failure of heterogeneous 2D paper samples using the universal features of the creep curve and show the local nature of the failure sites with image analysis.

AB - Materials follow a creep behavior under constant loading where the global strain rate first slows down and then accelerates. Material heterogeneities however introduce variations inside samples and the local strain rates vary significantly from each other and the global strain rates. We predict the failure of heterogeneous 2D paper samples using the universal features of the creep curve and show the local nature of the failure sites with image analysis.

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T2 - International Conference on Fracture

Y2 - 18 June 2017 through 20 June 2017

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