Composite Materials: Testing and Design (Ninth Volume) 1990
DOI: 10.1520/stp24108s
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Impact Damage and Residual Strength Analysis of Composite Panels with Bonded Stiffeners

Abstract: Blade-stiffened, compression-loaded cover panels were designed, manufactured, analyzed, and tested. All panels were fabricated from IM6/1808I interleafed graphite-epoxy. An orthotropic blade stiffener and an orthotropic skin were selected to satisfy the design requirements for an advanced aircraft configuration. All specimens were impact damaged prior to testing. Experimental results were obtained for three- and five-stiffener panels. Analytical results described interlaminar forces caused by impact and predic… Show more

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Cited by 3 publications
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“…E st /E sk , is applied through the centroid of the beam cross section, and thus can be obtained as (16) where L denotes the distance between two remote load elements of the stringer.…”
Section: Displacements Of Skin Stringer and Adhesive Or Rivetmentioning
confidence: 99%
See 1 more Smart Citation
“…E st /E sk , is applied through the centroid of the beam cross section, and thus can be obtained as (16) where L denotes the distance between two remote load elements of the stringer.…”
Section: Displacements Of Skin Stringer and Adhesive Or Rivetmentioning
confidence: 99%
“…Madan and Shuart [16] developed a method for compression after impact strength prediction of stiffened composite panels. First, the residual strengths of cracked skin laminate coupons were predicted using the point stress failure criterion [17].…”
Section: Introductionmentioning
confidence: 99%
“…Adhesive bonding is an accepted and often preferred method of joining composite laminates, avoiding section loss and notch stress concentrations. However to date relatively little research has been conducted on the impact of bonded composite laminates, [11][12][13]. The work presented in this paper has been carried out to provide a preliminary investigation of bonded composite joint impact performance as a pilot study for BAE Systems.…”
Section: Introductionmentioning
confidence: 99%