Influence of moisture and thermal cycling on delamination flaws in transparent armor materials: Thermoplastic polyurethane bonded glass-polycarbonate laminates

Rivers, Geoffrey; Cronin, Duane S.

doi:10.1016/j.matdes.2019.108026

Cited by 15 publications

(5 citation statements)

References 22 publications

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“…Since the loading fraction of BC required to achieve performance enhancement is low, the resulting BC nanopaper-PMMA laminated composite construct is expected to be cost-competitive, increasing its market uptake for advanced composite applications. However, there are still some outstanding issues in using BC nanopaper to enhance the properties of acrylic resins for impact protection that still need to be addressed, especially the effect of moisture on the long-term durability of the laminated construct as moisture is known to cause unpredictable delamination even in commercial transparent armor laminates under ambient service conditions [342]. Furthermore, the transparency of the BC nanopaper-acrylic laminated construct at elevated temperatures is another major issue requiring further research.…”

Section: Bc As 3d Reinforcement Bc Nanopaper As 2d Reinforcementmentioning

confidence: 99%

Current international research into cellulose as a functional nanomaterial for advanced applications

et al. 2022

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This review paper provides a recent overview of current international research that is being conducted into the functional properties of cellulose as a nanomaterial. A particular emphasis is placed on fundamental and applied research that is being undertaken to generate applications, which are now becoming a real prospect given the developments in the field over the last 20 years. A short introduction covers the context of the work, and definitions of the different forms of cellulose nanomaterials (CNMs) that are most widely studied. We also address the terminology used for CNMs, suggesting a standard way to classify these materials. The reviews are separated out into theme areas, namely healthcare, water purification, biocomposites, and energy. Each section contains a short review of the field within the theme and summarizes recent work being undertaken by the groups represented. Topics that are covered include cellulose nanocrystals for directed growth of tissues, bacterial cellulose in healthcare, nanocellulose for drug delivery, nanocellulose for water purification, nanocellulose for thermoplastic composites, nanocellulose for structurally colored materials, transparent wood biocomposites, supercapacitors and batteries.

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Section: Bc As 3d Reinforcement Bc Nanopaper As 2d Reinforcementmentioning

confidence: 99%

Current international research into cellulose as a functional nanomaterial for advanced applications

et al. 2022

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“…On the other hand, interlayer materials play a pivotal role in laminated glazing by enhancing strength, durability, and impact resistance [27]. Another frequent component of laminated glazing units (particularly in thick multi-layered units) is the polycarbonate material [28], which offers superior impact resistance and toughness despite being more susceptible to scratching (compared to glass). Furthermore, it increases the glazing unit's ability to absorb and disperse energy upon impact, preventing shattering [29].…”

Section: Introductionmentioning

confidence: 99%

A Comparative Study on the Optimal Modeling of Laminated Glass

Hejazi,

Sari

2023

Civ Eng J

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This study addresses the challenging task of modeling laminated glass responses to extreme loading scenarios for the design and analysis of protective structures. The primary objective is to seek an optimal modeling approach that balances accuracy and computational efficiency. To achieve this, the failure modeling of laminated glass layups comprising thin and thick panels with three and eleven layers is investigated under blast loading conditions. Various simulation techniques are employed, including the finite element method (FEM) with element erosion/deletion, smoothed particle hydrodynamics (SPH), and a hybrid approach involving the conversion of elements into particles. The feasibility and limitations of each technique are examined, considering both accuracy and computational cost. Experimental results from arena and shock tube testing scenarios assess the deployed modeling techniques and the presented comparisons. Emphasis is placed on mesh sensitivity and the significance of adaptive meshing in capturing fracture patterns. The present paper suggests that utilizing hybrid techniques results in optimal modeling outcomes. Furthermore, the stability of the modeling results under diverse blast conditions is confirmed. This article contributes to the field by offering insights into modeling laminated glass responses to extreme loading, emphasizing the use of hybrid techniques to strike a balance between accuracy and computational efficiency. This research enhances the understanding of protective structure design and analysis, highlighting the critical importance of computational methods in this context. Doi: 10.28991/CEJ-2023-09-11-018 Full Text: PDF

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“…For example, PVB material and its adhesion to glass were found to have significant strength degradation and even delamination under moisture [23,36]. Delamination of other composites using glass, plastic and polymeric interlayer in service condition was also reported, in particular, under moisture and thermal cycles [37]. However, existing works commonly concentrate on the unaged condition or the strain rate and temperature dependent property of adhesion [38,39], other weathering actions such as damp heat, thermal cycles and radiation are not well studied.…”

Section: Introductionmentioning

confidence: 99%

Local bridging effect of fractured laminated glass with EVA based hybrid interlayers under weathering actions

Yang

Wang

et al. 2022

Construction and Building Materials

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Influence of moisture and thermal cycling on delamination flaws in transparent armor materials: Thermoplastic polyurethane bonded glass-polycarbonate laminates

Cited by 15 publications

References 22 publications

Current international research into cellulose as a functional nanomaterial for advanced applications

Current international research into cellulose as a functional nanomaterial for advanced applications

A Comparative Study on the Optimal Modeling of Laminated Glass

Local bridging effect of fractured laminated glass with EVA based hybrid interlayers under weathering actions

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