Low-velocity impact, bending, and compression response of carbon fiber/epoxy-based sandwich composites with different types of core materials

2020 ◽  
pp. 109963622090886
Author(s):  
Akar Dogan
Keyword(s):  
Carbon Fiber ◽  
Low Velocity Impact ◽  
Sandwich Composites ◽  
Low Velocity ◽  
Velocity Impact ◽  
Different Types ◽  
Impact Bending ◽  
Carbon Fiber Epoxy ◽  
Core Materials

Low velocity impact of combination Kevlar/carbon fiber sandwich composites

2005 ◽  
Vol 69 (4) ◽  
pp. 396-406 ◽  
Author(s):  
Jeremy Gustin ◽  
Aaran Joneson ◽  
Mohammad Mahinfalah ◽  
James Stone
Keyword(s):  
Carbon Fiber ◽  
Low Velocity Impact ◽  
Sandwich Composites ◽  
Low Velocity ◽  
Velocity Impact

Low Velocity and Compression-After-Impact Response of Pin-Reinforced Sandwich Composites

1999 ◽  
Author(s):  
Uday K. Vaidya ◽  
Mohan V. Kamath ◽  
Mahesh V. Hosur ◽  
Anwarul Haque ◽  
Shaik Jeelani
Keyword(s):  
Impact Testing ◽  
Low Velocity Impact ◽  
Sandwich Composites ◽  
Low Velocity ◽  
Static Compression ◽  
Velocity Impact ◽  
Transverse Stiffness ◽  
Impact Studies ◽  
Compression After Impact ◽  
The Impact

Abstract In the current work, sandwich composite structures with innovative constructions referred to as Z-pins, or truss core pins are investigated, in conjunction with traditional honeycomb and foam core sandwich constructions, such that they exhibit enhanced transverse stiffness, high damage resistance and furthermore, damage tolerance to impact. While the investigations pertaining to low velocity impact have appeared recently in Vaidya et al. 1999, the current paper deals with compression-after-impact studies conducted to evaluate the residual properties of sandwich composites “with” and “without” reinforced foam cores. The resulting sandwich composites have been investigated for their low velocity (< 5 m/sec) impact loading response using instrumented impact testing at energy levels ranging from 5 J to 50 J impact energy. The transverse stiffness of the cores and their composites has also been evaluated through static compression studies. Compression-after-impact studies were then performed on the sandwich composites with traditional and pin-reinforcement cores. Supporting vibration studies have been conducted to assess the changes in stiffness of the samples as a result of the impact damage. The focus of this paper is on the compression-after-impact (CAI) response and vibration studies with accompanying discussion pertaining to the low velocity impact.

Impact Damage Research of Sandwich Composite Laminates

2013 ◽  
Vol 710 ◽  
pp. 136-141
Author(s):  
Li Jun Wei ◽  
Fang Lue Huang ◽  
Hong Peng Li
Keyword(s):  
Compressive Strength ◽  
Composite Laminates ◽  
Impact Damage ◽  
Low Velocity Impact ◽  
Sandwich Composite ◽  
Low Velocity ◽  
Compression Process ◽  
Velocity Impact ◽  
Residual Compressive Strength ◽  
Core Materials

Sandwich composite laminates structure is a classic application of composite material on actual aircraft structural. Dealing with low-velocity impact damage and residual compressive strength of sandwich composite laminates, explicit finite element method of ABAQUS/Explicit software was adopted to simulate low-velocity impact and compression process. Impact response and invalidation on compression between sandwich composite laminates with different core materials and regular composite laminates were compared. The simulation results indicated that softer core materials can absorb more impact energy, reduce the structure damage and enhance the residual compressive strength after impact.

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