In this work, both the concepts of Voyiadjis–Kattan materials and undamageable materials are introduced. The Voyiadjis–Kattan material of order is defined as a nonlinear elastic material that has a higher-order strain energy form in terms of . The undamageable material is obtained as the limit of the Voyiadjis–Kattan material of order as goes to infinity. The relations of these types of materials to other nonlinear elastic materials from the literature are outlined. Also, comparisons of these types of materials with rubber materials are presented. Finally, a proof is given to show that the value of the damage variable remains zero in an undamageable material throughout the deformation process. It is hoped that these proposed new types of materials will open the way to new areas of research in both damage mechanics and materials science.
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April 2013
Research-Article
On the Theory of Elastic Undamageable Materials
George Z. Voyiadjis,
George Z. Voyiadjis
Boyd Professor
email: voyiadjis@eng.lsu.edu
Department of Civil and
Environmental Engineering
,Louisiana State University
,Baton Rouge, LA 70803
;Adjunct Professor
Department of Civil and
Environmental Engineering
,Hanyang University
,Seoul 133-791
, Republic of Korea
email: voyiadjis@eng.lsu.edu
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Peter I. Kattan
Peter I. Kattan
Visiting Professor
email: pkattan@orange.jo
Department of Civil and
Environmental Engineering
,Louisiana State University
,Baton Rouge, LA 70803
email: pkattan@orange.jo
Search for other works by this author on:
George Z. Voyiadjis
Boyd Professor
email: voyiadjis@eng.lsu.edu
Department of Civil and
Environmental Engineering
,Louisiana State University
,Baton Rouge, LA 70803
;Adjunct Professor
Department of Civil and
Environmental Engineering
,Hanyang University
,Seoul 133-791
, Republic of Korea
email: voyiadjis@eng.lsu.edu
Peter I. Kattan
Visiting Professor
email: pkattan@orange.jo
Department of Civil and
Environmental Engineering
,Louisiana State University
,Baton Rouge, LA 70803
email: pkattan@orange.jo
Contributed by the Materials Division of ASME for publication in the Journal of Engineering Materials and Technology. Manuscript received May 26, 2012; final manuscript received October 3, 2012; published online March 25, 2013. Assoc. Editor: Xi Chen.
J. Eng. Mater. Technol. Apr 2013, 135(2): 021002 (6 pages)
Published Online: March 25, 2013
Article history
Received:
May 26, 2012
Revision Received:
October 3, 2012
Citation
Voyiadjis, G. Z., and Kattan, P. I. (March 25, 2013). "On the Theory of Elastic Undamageable Materials." ASME. J. Eng. Mater. Technol. April 2013; 135(2): 021002. https://doi.org/10.1115/1.4023770
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