Study on the Residual Compressive Strength of a Composite Sandwich Panel with Foam Core after Low Velocity Impact

Zong Hong Xie; Jiang Tian; Jian Zhao; Wei Li

doi:10.4028/www.scientific.net/AMR.430-432.484

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 430-432Study on the Residual Compressive Strength of a...

Study on the Residual Compressive Strength of a Composite Sandwich Panel with Foam Core after Low Velocity Impact

Abstract:

The residual compressive strength of a foam core sandwich panel after low-velocity impact was studied by using experimental and analytical methods. The test specimens were compressed uniaxially after they were subjected to a low-velocity-impact. From the observation in the test, one can conclude that the subsequent core crushing around the impact region is the major failure mode in the sandwich structure. A failure criterion named Damage Propagation Criterion was proposed to predict the residual compressive load bearing capability of the low-velocity impacted composite sandwich panel. The characteristic value used in this failure criterion can be calculated by an analytical model developed or by conducting the Sandwich Compression after Impact test.

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Periodical:

Advanced Materials Research (Volumes 430-432)

Pages:

484-487

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.430-432.484

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Online since:

January 2012

Authors:

Zong Hong Xie, Jiang Tian, Jian Zhao, Wei Li

Keywords:

Analytical Model, Foam Core, Low-Velocity Impact Damage, Residual Compressive Strength, Sandwich Structure

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References

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