Structural Integrity and Uncertainty in Creep Damage ... · 860 Nilima Roy et al. / Procedia...

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Procedia Engineering 86 (2014) 858 – 869 1877-7058 © 2014 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/3.0/). Peer-review under responsibility of the Indira Gandhi Centre for Atomic Research doi:10.1016/j.proeng.2014.11.107 ScienceDirect Available online at www.sciencedirect.com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¶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© 2014 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/3.0/). Peer-review under responsibility of the Indira Gandhi Centre for Atomic Research

Transcript of Structural Integrity and Uncertainty in Creep Damage ... · 860 Nilima Roy et al. / Procedia...

Page 1: Structural Integrity and Uncertainty in Creep Damage ... · 860 Nilima Roy et al. / Procedia Engineering 86 ( 2014 ) 858 – 869 7KH IUDFWXUH VXUIDFHV RI DOO WKH VDPSOHV ZHUH DQDO\VHG

Procedia Engineering 86 ( 2014 ) 858 – 869

1877-7058 © 2014 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/3.0/).Peer-review under responsibility of the Indira Gandhi Centre for Atomic Researchdoi: 10.1016/j.proeng.2014.11.107

ScienceDirectAvailable online at www.sciencedirect.com

© 2014 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/3.0/).Peer-review under responsibility of the Indira Gandhi Centre for Atomic Research

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859 Nilima Roy et al. / Procedia Engineering 86 ( 2014 ) 858 – 869

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860 Nilima Roy et al. / Procedia Engineering 86 ( 2014 ) 858 – 869

⎟⎠

⎞⎜⎝

⎛=ε

ω

σε

=

ηω

σω

=

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861 Nilima Roy et al. / Procedia Engineering 86 ( 2014 ) 858 – 869

λω −−=

λ = ε /

ε ε

ε

εε ≡

=∑=

π

⎟⎟⎠

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ε

εεεε

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862 Nilima Roy et al. / Procedia Engineering 86 ( 2014 ) 858 – 869

( )( )−−= ε

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863 Nilima Roy et al. / Procedia Engineering 86 ( 2014 ) 858 – 869

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865 Nilima Roy et al. / Procedia Engineering 86 ( 2014 ) 858 – 869

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