Paper Title:
Stress Intensity Factor of a Central Interface Crack in a Bonded Strip under Arbitrary Material Combination
  Abstract

Although a lot of interface crack problems were previously treated, few solutions are available under arbitrary material combination. This paper deals with one central interface crack and numerical interface cracks in a bonded strip. Then, the effects of material combination on the stress intensity factors are discussed. A useful method to calculate the stress intensity factor of interface crack is presented with focusing on the stress at the crack tip calculated by the finite element method. For one central interface crack, it is found that the results of bonded strip under remote uni-axial tension are always depending on the Dunders’ parameters , and different from the well-known solution of the central interface crack under internal pressure that is only depending on . Besides, it is shown that the stress intensity factor of bonded strip can be estimated from the stress of crack tip in the bonded plate when there is no crack. It is also found that when , when , and when . For numerical interface cracks , values of and with arbitrary material combination expressed by , are obtained.

  Info
Periodical
Key Engineering Materials (Volumes 462-463)
Edited by
Ahmad Kamal Ariffin, Shahrum Abdullah, Aidy Ali, Andanastuti Muchtar, Mariyam Jameelah Ghazali and Zainuddin Sajuri
Pages
1146-1151
DOI
10.4028/www.scientific.net/KEM.462-463.1146
Citation
N. Noda, Y. Zhang, X. Lan, K. Takaishi, "Stress Intensity Factor of a Central Interface Crack in a Bonded Strip under Arbitrary Material Combination", Key Engineering Materials, Vols. 462-463, pp. 1146-1151, 2011
Online since
January 2011
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Price
$32.00
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