Investigation of the super healing theory in continuum damage and healing mechanics

Chahmi Oucif, George Z. Voyiadjis, Peter I. Kattan, Timon Rabczuk

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Self-healing is the capability of a material to heal (repair) damages autogenously and autonomously. New theoretical investigation extended from the healing material which represents a strengthening material was recently proposed. It concerns the theory of super healing. The healing in this case continues beyond what is necessary to recover the original stiffness of the material, and the material becomes able to strengthen itself. In the present work, the definition of the super healing theory is extended and defined based on the elastic stiffness variation. It concerns the degradation, recovery, and strengthening of the elastic stiffness in the case of damage, healing, and super healing materials, respectively. Comparison of the healing and super healing efficiencies between the hypotheses of the elastic strain and elastic energy equivalence is carried out. The classical super healing definition is also extended to generalized nonlinear and quadratic super healing based on elastic stiffness strengthening, and comparison of the super healing behavior in each theory is performed. It is found that the hypothesis of the elastic energy equivalence overestimates both the generalized nonlinear and quadratic super healed elastic stiffness strengthening. In addition, the generalized nonlinear super healing theory gives a high strengthening of the super healed elastic stiffness compared to the quadratic super healing theory in both equivalence hypotheses. It is also demonstrated that both the generalized nonlinear and quadratic super healing theories can be applied in the case of plane stress.

Original languageEnglish
JournalInternational Journal of Damage Mechanics
DOIs
Publication statusAccepted/In press - 2018 Jan 1

Fingerprint

Mechanics
Stiffness
Repair
Recovery
Degradation

Keywords

  • damage
  • elastic energy
  • elastic strain
  • nonlinear
  • self-healing
  • Super healing

ASJC Scopus subject areas

  • Computational Mechanics
  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Investigation of the super healing theory in continuum damage and healing mechanics. / Oucif, Chahmi; Voyiadjis, George Z.; Kattan, Peter I.; Rabczuk, Timon.

In: International Journal of Damage Mechanics, 01.01.2018.

Research output: Contribution to journalArticle

Oucif, Chahmi ; Voyiadjis, George Z. ; Kattan, Peter I. ; Rabczuk, Timon. / Investigation of the super healing theory in continuum damage and healing mechanics. In: International Journal of Damage Mechanics. 2018.
@article{89ce3dd0943f44f8ae8635f7b7f35cad,
title = "Investigation of the super healing theory in continuum damage and healing mechanics",
abstract = "Self-healing is the capability of a material to heal (repair) damages autogenously and autonomously. New theoretical investigation extended from the healing material which represents a strengthening material was recently proposed. It concerns the theory of super healing. The healing in this case continues beyond what is necessary to recover the original stiffness of the material, and the material becomes able to strengthen itself. In the present work, the definition of the super healing theory is extended and defined based on the elastic stiffness variation. It concerns the degradation, recovery, and strengthening of the elastic stiffness in the case of damage, healing, and super healing materials, respectively. Comparison of the healing and super healing efficiencies between the hypotheses of the elastic strain and elastic energy equivalence is carried out. The classical super healing definition is also extended to generalized nonlinear and quadratic super healing based on elastic stiffness strengthening, and comparison of the super healing behavior in each theory is performed. It is found that the hypothesis of the elastic energy equivalence overestimates both the generalized nonlinear and quadratic super healed elastic stiffness strengthening. In addition, the generalized nonlinear super healing theory gives a high strengthening of the super healed elastic stiffness compared to the quadratic super healing theory in both equivalence hypotheses. It is also demonstrated that both the generalized nonlinear and quadratic super healing theories can be applied in the case of plane stress.",
keywords = "damage, elastic energy, elastic strain, nonlinear, self-healing, Super healing",
author = "Chahmi Oucif and Voyiadjis, {George Z.} and Kattan, {Peter I.} and Timon Rabczuk",
year = "2018",
month = "1",
day = "1",
doi = "10.1177/1056789518799822",
language = "English",
journal = "International Journal of Damage Mechanics",
issn = "1056-7895",
publisher = "SAGE Publications Ltd",

}

TY - JOUR

T1 - Investigation of the super healing theory in continuum damage and healing mechanics

AU - Oucif, Chahmi

AU - Voyiadjis, George Z.

AU - Kattan, Peter I.

AU - Rabczuk, Timon

PY - 2018/1/1

Y1 - 2018/1/1

N2 - Self-healing is the capability of a material to heal (repair) damages autogenously and autonomously. New theoretical investigation extended from the healing material which represents a strengthening material was recently proposed. It concerns the theory of super healing. The healing in this case continues beyond what is necessary to recover the original stiffness of the material, and the material becomes able to strengthen itself. In the present work, the definition of the super healing theory is extended and defined based on the elastic stiffness variation. It concerns the degradation, recovery, and strengthening of the elastic stiffness in the case of damage, healing, and super healing materials, respectively. Comparison of the healing and super healing efficiencies between the hypotheses of the elastic strain and elastic energy equivalence is carried out. The classical super healing definition is also extended to generalized nonlinear and quadratic super healing based on elastic stiffness strengthening, and comparison of the super healing behavior in each theory is performed. It is found that the hypothesis of the elastic energy equivalence overestimates both the generalized nonlinear and quadratic super healed elastic stiffness strengthening. In addition, the generalized nonlinear super healing theory gives a high strengthening of the super healed elastic stiffness compared to the quadratic super healing theory in both equivalence hypotheses. It is also demonstrated that both the generalized nonlinear and quadratic super healing theories can be applied in the case of plane stress.

AB - Self-healing is the capability of a material to heal (repair) damages autogenously and autonomously. New theoretical investigation extended from the healing material which represents a strengthening material was recently proposed. It concerns the theory of super healing. The healing in this case continues beyond what is necessary to recover the original stiffness of the material, and the material becomes able to strengthen itself. In the present work, the definition of the super healing theory is extended and defined based on the elastic stiffness variation. It concerns the degradation, recovery, and strengthening of the elastic stiffness in the case of damage, healing, and super healing materials, respectively. Comparison of the healing and super healing efficiencies between the hypotheses of the elastic strain and elastic energy equivalence is carried out. The classical super healing definition is also extended to generalized nonlinear and quadratic super healing based on elastic stiffness strengthening, and comparison of the super healing behavior in each theory is performed. It is found that the hypothesis of the elastic energy equivalence overestimates both the generalized nonlinear and quadratic super healed elastic stiffness strengthening. In addition, the generalized nonlinear super healing theory gives a high strengthening of the super healed elastic stiffness compared to the quadratic super healing theory in both equivalence hypotheses. It is also demonstrated that both the generalized nonlinear and quadratic super healing theories can be applied in the case of plane stress.

KW - damage

KW - elastic energy

KW - elastic strain

KW - nonlinear

KW - self-healing

KW - Super healing

UR - http://www.scopus.com/inward/record.url?scp=85057079353&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85057079353&partnerID=8YFLogxK

U2 - 10.1177/1056789518799822

DO - 10.1177/1056789518799822

M3 - Article

AN - SCOPUS:85057079353

JO - International Journal of Damage Mechanics

JF - International Journal of Damage Mechanics

SN - 1056-7895

ER -