Journal of Composite Materials · 2009 · 23 citations · 19 references
EngineeringMaterials EngineeringMaterials ScienceAerospace MaterialsStructural EngineeringStructural MaterialsComposite MaterialsDamage ToleranceImpact MechanicsStrength Of MaterialsStructural IntegrityStructural TestingImpact DamageImpact StrengthImpact TestingNondestructive EvaluationNondestructive TestingResidual StrengthSandwich CompositesSandwich Structures
Composite material usage is necessary on NASA’s future launch vehicles in order to obtain a low mass vehicle. While aircraft and launch vehicles that utilize load-bearing composite components have many similar damage tolerance requirements, the distinct differences between a part that has a lifetime of ∼500 s (one launch) and can be inspected in detail before use and one that has a lifetime of many tens of thousands of flight hours and can only undergo a ‘walk around’ inspection before each flight (commercial transport) needs to be taken into account. This article presents these differences and uses data from the ARES I composite interstage as an example of how to arrive at preliminary compression after impact strength values for the sandwich structure in the acerage of this part using residual strength curves. Results show that if severity of damage can be quantified by a nondestructive method (other than dent depth), the mass of the structure can be reduced due to better characterization of the damage.
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Prediction of impact damage in composite plates
Jun Hou, Nik Petrinić, C. Ruiz et al. · Composites Science and Technology · 2000 · 423 citations
Compression after impact strength of composite sandwich panels
G. A. O. Davies, D. Hitchings, T. Besant et al. · Composite Structures · 2003 · 100 citations