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Date of download: 11/1/2017 Copyright © ASME. All rights reserved.

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1 Date of download: 11/1/2017 Copyright © ASME. All rights reserved. From: Material Model for Creep-Assisted Microcracking Applied to S2 Sea Ice J. Appl. Mech. 2016;83(11): doi: / Figure Legend: Two microcracks in a two-dimensional domain

2 Date of download: 11/1/2017 Copyright © ASME. All rights reserved. From: Material Model for Creep-Assisted Microcracking Applied to S2 Sea Ice J. Appl. Mech. 2016;83(11): doi: / Figure Legend: (a) Surfaces of a microcrack penetrating each other. (b)Penetration is prevented by the Heaviside function H(nr ⋅ σ ⋅ nr).

3 Date of download: 11/1/2017 Copyright © ASME. All rights reserved. From: Material Model for Creep-Assisted Microcracking Applied to S2 Sea Ice J. Appl. Mech. 2016;83(11): doi: / Figure Legend: (a) Uniaxial fiber model for evaluation of the stress σ and the effective stress σ̃ and (b) stress strain curves

4 Date of download: 11/1/2017 Copyright © ASME. All rights reserved. From: Material Model for Creep-Assisted Microcracking Applied to S2 Sea Ice J. Appl. Mech. 2016;83(11): doi: / Figure Legend: Generated versus fitted creep curves

5 Date of download: 11/1/2017 Copyright © ASME. All rights reserved. From: Material Model for Creep-Assisted Microcracking Applied to S2 Sea Ice J. Appl. Mech. 2016;83(11): doi: / Figure Legend: Stress–strain curves in tension and in compression at ε˙=2×10−4 1/s

6 Date of download: 11/1/2017 Copyright © ASME. All rights reserved. From: Material Model for Creep-Assisted Microcracking Applied to S2 Sea Ice J. Appl. Mech. 2016;83(11): doi: / Figure Legend: Strength diagram for columnar-grained ice (S2) in compression and tension at −10 °C (Ref. [57], Fig. 2.41)

7 Date of download: 11/1/2017 Copyright © ASME. All rights reserved. From: Material Model for Creep-Assisted Microcracking Applied to S2 Sea Ice J. Appl. Mech. 2016;83(11): doi: / Figure Legend: Mode of failure observed and predicted as a function of applied strain rate and effective stress at failure at T=−10 °C (Ref. [28])

8 Date of download: 11/1/2017 Copyright © ASME. All rights reserved. From: Material Model for Creep-Assisted Microcracking Applied to S2 Sea Ice J. Appl. Mech. 2016;83(11): doi: / Figure Legend: Computed tensile strength values σut versus strain rate. The range where the strength does not increase, is not included in the model and is marked “Not in model.”

9 Date of download: 11/1/2017 Copyright © ASME. All rights reserved. From: Material Model for Creep-Assisted Microcracking Applied to S2 Sea Ice J. Appl. Mech. 2016;83(11): doi: / Figure Legend: The material model obeys the Hall–Petch equation under compression and under tension

10 Date of download: 11/1/2017 Copyright © ASME. All rights reserved. From: Material Model for Creep-Assisted Microcracking Applied to S2 Sea Ice J. Appl. Mech. 2016;83(11): doi: / Figure Legend: Computed strength values versus number of potential microcrack orientations: (a) tension and (b) compression

11 Date of download: 11/1/2017 Copyright © ASME. All rights reserved. From: Material Model for Creep-Assisted Microcracking Applied to S2 Sea Ice J. Appl. Mech. 2016;83(11): doi: / Figure Legend: Results by Jones [53] for “Baltic” sea ice (◻) compared to data in the literature, (○) and (+) Frederking and Timco [54]; (⋄) Schwarz [55]; (▪) Kuehn and Schulson [56]. Jones [53] Fig.3.


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