Hugoniot equation of state of polymers

Carter, W.J.; Marsh, S.P.

doi:10.2172/95183

Cited by 137 publications

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“…Shock data on PTFE obtained from various commercial and pedigree sources has shown there to be no significant Data from [16] and [13,36,37] Q density, c L longitudinal wave speed, c s shear wave speed, c 0 bulk wave speed, S the shock parameter effect of controlled production and purity at least within the experimental scatter (Fig. 2b) [44,54].…”

Section: Shock Compressionmentioning

confidence: 97%

“…However, there is a relative paucity of shock data as the loading becomes more rapid and the impulse amplitude increases [13,[36][37][38]. In the high shock pressure regime, there is only one extensive study (using explosive lenses by Carter and Marsh) and written up into an openly accessible report by Fritz and Sheffield [13].…”

Section: Shock Compressionmentioning

confidence: 99%

“…The intercept on the shock velocity axis c 0 is less than the ambient longitudinal sound speed c L as noted previously. Lines are plotted on the curve showing fits to literature constants for PTFE (given in Table 1) and determined in [13,36,37]. There have also been recovery experiments that show details of changes in crystallinity in the low pressure region [45].…”

Section: Shock Compressionmentioning

confidence: 99%

“…However within the limited literature available, there have been indications from the first that behaviour was of a different nature to that observed in metals [13]. For example, Champion, in studying polytetrafluroethylene (PTFE), noted a change in slope in the shock velocity, U s , particle velocity (u p ) curve, corresponding to an impact stress of about 0.5 GPa, and giving a volume change of 2.2 % [14,15].…”

Section: Introductionmentioning

confidence: 99%

“…For example, Champion, in studying polytetrafluroethylene (PTFE), noted a change in slope in the shock velocity, U s , particle velocity (u p ) curve, corresponding to an impact stress of about 0.5 GPa, and giving a volume change of 2.2 % [14,15]. The first comprehensive overview of the shock response of thermoplastics, thermosets, and rubbers was done by Carter and Marsh and more recent work has built on these studies [13]. This paper will review response across a range of distance and time scales.…”

Section: Introductionmentioning

confidence: 99%

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On the Shock Response of Polymers to Extreme Loading

Bourne

2016

J. dynamic behavior mater.

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This paper reviews polymer response to shock and discusses how plastics behave differently depending on the strain rate applied. The author uses polyethylene, polytetrafluroethylene, polycarbonate and epoxy as example materials. It is suggested that there are two distinct regimes of polymer response corresponding to low and high shock pressures (weak and strong shock regimes) that must be considered separately. Above a high pressure threshold it is proposed that polymers homogenize to carbon-containing structures which behave similarly. Further, the yield stress of a polymer volume element asymptotes to the theoretical strength of the material as volume shrinks to zero. It is suggested that these two behaviours reflect the same physics and this feature is common to the condition identified earlier for crystalline materials.

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Section: Shock Compressionmentioning

confidence: 97%

Section: Shock Compressionmentioning

confidence: 99%

Section: Shock Compressionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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On the Shock Response of Polymers to Extreme Loading

Bourne

2016

J. dynamic behavior mater.

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Micro‐/Nanostructured Mechanical Metamaterials

2012

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Mechanical properties of materials have long been one of the most fundamental and studied areas of materials science for a myriad of applications. Recently, mechanical metamaterials have been shown to possess extraordinary effective properties, such as negative dynamic modulus and/or density, phononic bandgaps, superior thermoelectric properties, and high specific energy absorption. To obtain such materials on appropriate length scales to enable novel mechanical devices, it is often necessary to effectively design and fabricate micro-/nano- structured materials. In this Review, various aspects of the micro-/nano-structured materials as mechanical metamaterials, potential tools for their multidimensional fabrication, and selected methods for their structural and performance characterization are described, as well as some prospects for the future developments in this exciting and emerging field.

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TFE Terpolymers: Once Promising – Are There Still Perspectives in the 21^st Century? Part II: Processing, Properties, Applications

Ok,

Steinhart,

Améduri

2024

Macromol. Rapid Commun.

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Tetrafluoroethylene (TFE) terpolymers have emerged as advantageous substitutes for polytetrafluoroethylene (PTFE). Therefore, they are being considered as alternatives to PTFE in many application areas. The advantages of TFE terpolymers include their facile processability at elevated temperatures, their solubility in some polar organic solvents, their inertness against aqueous acids, aqueous bases and a large number of mostly nonpolar organic solvents, their low dielectric constant, their low refractive index as well as useful electro‐ and thermochemical properties. This review on TFE terpolymers focuses on their processing including shaping and surface modification as well as on selected properties including wettability, dielectric properties, mechanical response behavior, chemical stability, and degradability. Applications including their use as elastomeric sealing material, liner and cladding layer as well as their use as material for membranes, microfluidic devices, photonics, photovoltaics, energy storage, energy harvesting, sensors, and nanothermitic composites will be discussed. The review concludes with a discussion of the future potential of TFE terpolymers and scientific challenges to be addressed by future research on TFE terpolymers.

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Hugoniot equation of state of polymers

Cited by 137 publications

References 0 publications

On the Shock Response of Polymers to Extreme Loading

On the Shock Response of Polymers to Extreme Loading

Micro‐/Nanostructured Mechanical Metamaterials

TFE Terpolymers: Once Promising – Are There Still Perspectives in the 21^st Century? Part II: Processing, Properties, Applications

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Hugoniot equation of state of polymers

Cited by 137 publications

References 0 publications

On the Shock Response of Polymers to Extreme Loading

On the Shock Response of Polymers to Extreme Loading

Micro‐/Nanostructured Mechanical Metamaterials

TFE Terpolymers: Once Promising – Are There Still Perspectives in the 21st Century? Part II: Processing, Properties, Applications

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Product

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TFE Terpolymers: Once Promising – Are There Still Perspectives in the 21^st Century? Part II: Processing, Properties, Applications