A Review of Creep Deformation and Rupture Mechanisms of Low Cr-Mo Alloy for the Development of Creep Damage Constitutive Equations Under Lower Stress

Qihua Xu; Qiang Xu; Zhongyu Lou; Yong Xin Pang; Michael Short

A Review of Creep Deformation and Rupture Mechanisms of Low Cr-Mo Alloy for the Development of Creep Damage Constitutive Equations Under Lower Stress

Qihua Xu, Qiang Xu, Zhongyu Lou, Yong Xin Pang, Michael Short

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

This paper presents a review of creep deformation and rupture mechanisms of low Cr-Mo alloy for the development of its creep damage constitutive equations under lower stress level. The existing phenomenological type of creep damage constitutive equations, proposed and developed by Hayhurst, do suffer the deficiency of inaccuracy in predicting the creep strain under multi-axial situation. Furthermore, it was not developed specifically for low stress. The paper reports a critical review on the cavity nucleation and the cavity growth, the deformation mechanisms and the creep damage evolution characteristics of the low Cr-Mo alloy at the temperature ranging from 723K to 923K (450 ~650 ), particularly under low stress level ( ), to form the physical base for the development of creep damage constitutive equation. It covers the influence of the stress level, states of stress, and the failure criterion.

Original language	English
Title of host publication	Scientific Computing
Editors	Hamid R. Arabnia, George A. Gravvanis, George Jandieri, Ashu M. G. Solo, Fernando G. Tinetti
Publisher	CSREA Press
Pages	165-171
Number of pages	7
ISBN (Print)	1601322380, 9781601322388
Publication status	Published - 1 May 2015
Event	The 2013 International Conference on Scientific Computing - Las Vegas, United States Duration: 22 Jul 2013 → 25 Jul 2013 https://worldacademyofscience.org/worldcomp13/ws/conferences/csc13.html

Publication series

Name	The 2013 WorldComp International Conference Proceedings
Publisher	CSREA

Conference

Conference	The 2013 International Conference on Scientific Computing
Abbreviated title	CSC'13
Country/Territory	United States
City	Las Vegas
Period	22/07/13 → 25/07/13
Internet address	https://worldacademyofscience.org/worldcomp13/ws/conferences/csc13.html

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http://eprints.hud.ac.uk/id/eprint/21932/Licence: Unspecified

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Xu, Q., Xu, Q., Lou, Z., Pang, Y. X., & Short, M. (2015). A Review of Creep Deformation and Rupture Mechanisms of Low Cr-Mo Alloy for the Development of Creep Damage Constitutive Equations Under Lower Stress. In H. R. Arabnia, G. A. Gravvanis, G. Jandieri, A. M. G. Solo, & F. G. Tinetti (Eds.), Scientific Computing (pp. 165-171). (The 2013 WorldComp International Conference Proceedings). CSREA Press. http://eprints.hud.ac.uk/id/eprint/21932/

Xu, Qihua ; Xu, Qiang ; Lou, Zhongyu et al. / A Review of Creep Deformation and Rupture Mechanisms of Low Cr-Mo Alloy for the Development of Creep Damage Constitutive Equations Under Lower Stress. Scientific Computing. editor / Hamid R. Arabnia ; George A. Gravvanis ; George Jandieri ; Ashu M. G. Solo ; Fernando G. Tinetti. CSREA Press, 2015. pp. 165-171 (The 2013 WorldComp International Conference Proceedings).

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title = "A Review of Creep Deformation and Rupture Mechanisms of Low Cr-Mo Alloy for the Development of Creep Damage Constitutive Equations Under Lower Stress",

abstract = "This paper presents a review of creep deformation and rupture mechanisms of low Cr-Mo alloy for the development of its creep damage constitutive equations under lower stress level. The existing phenomenological type of creep damage constitutive equations, proposed and developed by Hayhurst, do suffer the deficiency of inaccuracy in predicting the creep strain under multi-axial situation. Furthermore, it was not developed specifically for low stress. The paper reports a critical review on the cavity nucleation and the cavity growth, the deformation mechanisms and the creep damage evolution characteristics of the low Cr-Mo alloy at the temperature ranging from 723K to 923K (450 ~650 ), particularly under low stress level ( ), to form the physical base for the development of creep damage constitutive equation. It covers the influence of the stress level, states of stress, and the failure criterion.",

keywords = "cavitation, creep damage, ductility, low Cr-Mo alloy, stress level, stress state",

author = "Qihua Xu and Qiang Xu and Zhongyu Lou and Pang, {Yong Xin} and Michael Short",

year = "2015",

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series = "The 2013 WorldComp International Conference Proceedings",

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booktitle = "Scientific Computing",

address = "United States",

note = "The 2013 International Conference on Scientific Computing, CSC'13 ; Conference date: 22-07-2013 Through 25-07-2013",

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Xu, Q, Xu, Q, Lou, Z, Pang, YX & Short, M 2015, A Review of Creep Deformation and Rupture Mechanisms of Low Cr-Mo Alloy for the Development of Creep Damage Constitutive Equations Under Lower Stress. in HR Arabnia, GA Gravvanis, G Jandieri, AMG Solo & FG Tinetti (eds), Scientific Computing. The 2013 WorldComp International Conference Proceedings, CSREA Press, pp. 165-171, The 2013 International Conference on Scientific Computing, Las Vegas, Nevada, United States, 22/07/13. <http://eprints.hud.ac.uk/id/eprint/21932/>

A Review of Creep Deformation and Rupture Mechanisms of Low Cr-Mo Alloy for the Development of Creep Damage Constitutive Equations Under Lower Stress. / Xu, Qihua; Xu, Qiang; Lou, Zhongyu et al.

Scientific Computing. ed. / Hamid R. Arabnia; George A. Gravvanis; George Jandieri; Ashu M. G. Solo; Fernando G. Tinetti. CSREA Press, 2015. p. 165-171 (The 2013 WorldComp International Conference Proceedings).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AU - Xu, Qihua

AU - Xu, Qiang

AU - Lou, Zhongyu

AU - Pang, Yong Xin

AU - Short, Michael

PY - 2015/5/1

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N2 - This paper presents a review of creep deformation and rupture mechanisms of low Cr-Mo alloy for the development of its creep damage constitutive equations under lower stress level. The existing phenomenological type of creep damage constitutive equations, proposed and developed by Hayhurst, do suffer the deficiency of inaccuracy in predicting the creep strain under multi-axial situation. Furthermore, it was not developed specifically for low stress. The paper reports a critical review on the cavity nucleation and the cavity growth, the deformation mechanisms and the creep damage evolution characteristics of the low Cr-Mo alloy at the temperature ranging from 723K to 923K (450 ~650 ), particularly under low stress level ( ), to form the physical base for the development of creep damage constitutive equation. It covers the influence of the stress level, states of stress, and the failure criterion.

AB - This paper presents a review of creep deformation and rupture mechanisms of low Cr-Mo alloy for the development of its creep damage constitutive equations under lower stress level. The existing phenomenological type of creep damage constitutive equations, proposed and developed by Hayhurst, do suffer the deficiency of inaccuracy in predicting the creep strain under multi-axial situation. Furthermore, it was not developed specifically for low stress. The paper reports a critical review on the cavity nucleation and the cavity growth, the deformation mechanisms and the creep damage evolution characteristics of the low Cr-Mo alloy at the temperature ranging from 723K to 923K (450 ~650 ), particularly under low stress level ( ), to form the physical base for the development of creep damage constitutive equation. It covers the influence of the stress level, states of stress, and the failure criterion.

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KW - creep damage

KW - ductility

KW - low Cr-Mo alloy

KW - stress level

KW - stress state

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SN - 9781601322388

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A2 - Gravvanis, George A.

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Xu Q, Xu Q, Lou Z, Pang YX, Short M. A Review of Creep Deformation and Rupture Mechanisms of Low Cr-Mo Alloy for the Development of Creep Damage Constitutive Equations Under Lower Stress. In Arabnia HR, Gravvanis GA, Jandieri G, Solo AMG, Tinetti FG, editors, Scientific Computing. CSREA Press. 2015. p. 165-171. (The 2013 WorldComp International Conference Proceedings).

A Review of Creep Deformation and Rupture Mechanisms of Low Cr-Mo Alloy for the Development of Creep Damage Constitutive Equations Under Lower Stress

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