Fracture toughness of closed-cell PVC foam: Effects of loading configuration and cell size

Poapongsakorn, Piyamon; Carlsson, Leif A.

doi:10.1016/j.compstruct.2013.02.023

Cited by 37 publications

(14 citation statements)

References 12 publications

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“…The G-based R ratio was set as R G = G min /G max = 0.04 The material properties of the face sheets were measured according to ASTM standards [20,21] and the foam properties, listed in Table 1, were provided by the producer DIAB [22]. Fracture toughness values, G IC , for the foams [23] are also listed in Table 1 for reference.…”

Section: Materials and Specimensmentioning

confidence: 99%

G-control fatigue testing for cyclic crack propagation in composite structures

Manca

Berggreen

Carlsson

2015

Engineering Fracture Mechanics

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Section: Materials and Specimensmentioning

confidence: 99%

G-control fatigue testing for cyclic crack propagation in composite structures

Manca

Berggreen

Carlsson

2015

Engineering Fracture Mechanics

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“…Viana and Carlsson (2002) presented results for mode I fracture toughness of different densities (ρ = 36, 80, 100, 200 and 400 kg/m 3 ) PVC foams. Poapongsakorn and Carlsson (2013) determined the fracture toughness of closed cell PVC foams of densities from 45 to 200 kg/m 3 using SENB specimens loaded in Three Point Bending (TPB), respectively in Four Point Bending (FPB). Also, Kabir et al (2006) employed the same procedure for determining the fracture toughness of PVC and PUR foams.…”

Section: Effect Of Density Forming Direction Loading Speedmentioning

confidence: 99%

“…The PVC foams have a linear elastic Figure 33. Poapongsakorn and Carlsson (2013) investigated the effect of loading configuration and cell size on fracture toughness of closed cell PVC foams. Fowlkes (1974) presents some results obtained for PUR foam of density 87.8 kg/m 3 using different types of specimens.…”

Section: Effect Of Density Forming Direction Loading Speedmentioning

confidence: 99%

Failure and Damage Analysis of Advanced Materials

Altenbach¹,

Sadowski²

2015

CISM International Centre for Mechanical Sciences

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translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on micro lms or in any other physical way, and transmission or information storage and retrieval, electronic adaptation, computer software, or by similar or dissimilar methodology now known or hereafter developed. Exempted from this legal reservation are brief excerpts in connection with reviews or scholarly analysis or material supplied speci cally for the purpose of being entered and executed on a computer system, for exclusive use by the purchaser of the work.

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“…At each increment during the analysis, the incremental increase in is computed asThe evolution of damage is based on fracture energy per unit area dissipated during the damage process. The data for fracture toughness is obtained from experiments carried out by Poapongsakorn and Carlsson[32].4.3 Water-tank, projectile, piston, platens and supportsThe water-tank and supports are made of stainless steel and the piston, projectile and platens are made of aluminum. A Lagrangian formulation is adopted for these components with linear elastic constitutive behavior.144.4 Alleviating mesh dependence in numerical analysesFailure is predicted when the damage operator in the respective case reaches unity.…”

mentioning

confidence: 99%

Compressive response of sandwich plates to water-based impulsive loading

Avachat

Zhou

2016

International Journal of Impact Engineering

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The compressive response of sandwich plates with Polyvinyl Chloride (PVC) foam cores and aluminum facesheets to water-based impulsive loading is analyzed using an instrumented impulsive loading apparatus called the Underwater Shock Loading Simulator (USLS) and a fully-dynamic 3-D computational framework. The loading conditions analyzed are similar to those in underwater blasts. The study focuses on the overall deformation, strain recovery and impulse transmission which are quantified as functions of structural attributes such as core density, front and backface masses and incident impulsive load intensity. Measurements obtained using high-speed digital imaging and pressure and force sensors allow the computational models to be calibrated and verified. Quantitative loading-structure-performance maps are developed between the response variables and structural and load attributes. The results reveal that core density has the most pronounced influence on core compressive strain and impulse transmission. Specifically, for severe impulse intensities, a 100% increase in core density leads to a 200% decrease in compressive strain and a 500% increase in normalized transmitted impulse. On the other hand, structures with low density cores are susceptible to collapse at high impulse intensities. Additionally, the compressive strains and transmitted impulses increase

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Fracture toughness of closed-cell PVC foam: Effects of loading configuration and cell size

Cited by 37 publications

References 12 publications

G-control fatigue testing for cyclic crack propagation in composite structures

G-control fatigue testing for cyclic crack propagation in composite structures

Failure and Damage Analysis of Advanced Materials

Compressive response of sandwich plates to water-based impulsive loading

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