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Analytical solution for the large deflection of fully clamped metallic foam sandwich beam

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

11 Scopus citations

Abstract

A unified yield criterion is proposed in this paper, which is valid for the metallic sandwich sections with various core strength and geometrical dimensions and can reduce to the classical yield criteria for solid monolithic section and sandwich section with weak core, respectively. Then, the unified yield criterion is used to derive the analytical solution for the large deflection of fully clamped metallic sandwich beam subject to a transversely concentrated load, in which the interaction of bending and stretching is considered. Comparisons of the present solutions with experimental results are carried out and good agreements are found. It is seen that the axial stretching induced by large deflection has a significant effect on the deflection of sandwich structure in the post-yield regime, and the load carrying capacity of metallic foam core sandwich beam may be underestimated as the core strength is neglected in analysis.

Original languageEnglish
Title of host publicationAdvances in Fracture and Materials Behavior - Selected, peer reviewed papers of the Seventh International Conference on Fracture and Strength of Solids (FEOFS2007)
PublisherTrans Tech Publications
Pages559-566
Number of pages8
ISBN (Print)0878493999, 9780878493999
DOIs
StatePublished - 2008
Event7th International Conference on Fracture and Strength of Solids, FEOFS 2007 - Urumqi, China
Duration: 27 Aug 2007 → 29 Aug 2007

Publication series

NameAdvanced Materials Research
Volume33-37 PART 1
ISSN (Print)1022-6680

Conference

Conference7th International Conference on Fracture and Strength of Solids, FEOFS 2007
Country/TerritoryChina
CityUrumqi
Period27/08/07 → 29/08/07

Keywords

  • Large deflection
  • Metallic foam
  • Sandwich structure
  • Yield criterion

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