Analysis of Dominant Process Parameters in Deep-Drawing of Paperboard

Müller, Tobias; Lenske, Alexander; Hauptmann, Marek; Majschak, Jens‐Peter

doi:10.15376/biores.12.2.3530-3545

Cited by 7 publications

(2 citation statements)

References 4 publications

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“…These studies focused on understanding and improving the forming behavior of paperboard. The results show that the forming limits as well as the component quality of paperboard can be improved by: -An elevated moisture content (Scherer 1935;Rhim 2010), -Enhanced tool temperatures (Tanninen et al 2014;Wallmaier et al 2016), -A sufficient calibration time (Tanninen 2015), -A trajectory blank-holder force (Hauptmann et al 2016a;Müller et al 2017), -An in-process steam application (Franke et al 2018), -A superimposed counter pressure (Groche and Huttel 2016), and -A superimposed ultrasonic vibration (Löwe et al 2017a).…”

Section: Introductionmentioning

confidence: 99%

Forming behavior of paperboard in single point incremental forming

Stein

Franke

Elling

et al. 2019

BioRes

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An increased demand for sustainable materials has led to intensive research in the field of three-dimensional paperboard forming. To date, this work has focused on forming processes with shape-giving tools. However, individual shapes are often required, especially for large-format products. Incremental forming can be used in metal processing for small batches. In this article, the technology of incremental forming is transferred to paperboard. The results showed that elevated moisture content and a superimposed counter pressure significantly increased the forming limits. In addition, the use of polymer layers increased the shape accuracy. An extended understanding of the underlying mechanisms was achieved by analyzing the forming behavior. In uniaxial and biaxial characterization tests the influence of the moisture content on the forming behavior was investigated with conditions relevant for incremental forming. It was found that the bulge test is suitable to determine the most suitable moisture content regarding the forming limits and the spring back behavior in incremental forming. In addition, it was observed that the bearable elongations during the incremental forming of paperboard are significantly higher than in the established characterization tests. The reason for this is a compression of the fiber network during forming.

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Section: Introductionmentioning

confidence: 99%

Forming behavior of paperboard in single point incremental forming

Stein

Franke

Elling

et al. 2019

BioRes

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“…The present study, therefore, focuses on the search for papers combining these five mechanical properties [42][43][44][45][46][47]. Several types of commercially available paper have been collected and tested for this purpose.…”

mentioning

confidence: 99%

On the use of paper to facilitate recyclability of suspension packaging

et al. 2021

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Background of this research is suspension packaging: fragile goods are attached to a panel of cardboard by wrapping it in stretch film. The panel is then appropriately folded, and the whole thing is placed in a cardboard box of corresponding dimensions. The primary objective of this study is to identify paper types that might be used in future as a more sustainable alternative for stretch wrap film. The experimental methods that are utilized are basically variants of mechanical pulling tests on paper samples. Sample preparation and sample size are adopted from international standards, but displacement control is adopted to detect relevant stretchability properties. Some kraft papers show a high ultimate tensile stress and a moderate stretchability, mainly permanent stretch as expected. Although the ultimate tensile stress of paper from recycled fibers is lower, some of these paper grades show a considerable higher stretchability including a higher elastic stretch. It is concluded that both kraft paper and paper grades from recycled fibers may be applicable as a wrapping material for suspension packaging. Further experimental research is needed to identify appropriate wrapping parameters for each paper type.

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Response of extreme environmental aging on the novel Moringa stenopetala husk fiber/epoxy composites: Understanding the characteristics and thermokinetic behavior

Mishra

Sinha

2023

Polymer Composites

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The increasing use of composite components in various engineering disciplines necessitates detailed comprehension of their operation. When subjected to adverse environmental circumstances, such as variable humid surroundings and UV radiations, the structural and mechanical characteristics of the composites can deteriorate. Additionally, using these composite materials for structural applications such as rooftop buildings or household properties may reduce lifespan. In this study, the static and dynamic mechanical properties and the stability of novel lignocellulosic Moringa stenopetala (MS) husk fiber‐based epoxy composites exposed to various environmental factors were assessed. These harsh conditions were picked to imitate those encountered outside and influence the longevity of these composites. The obtained fiber from the husk was examined for its physiological, structural, and thermal characteristics. Using the Broido, Kissinger, Flynn‐Wall‐Ozawa (FWO), Coats‐Redfern and Kissinger‐Akahira‐Sunose (KAS) isoconventional models, the thermal degradation kinetics of the fibers were investigated. KAS method results in the best‐fitted curve and shows maximum activation energy of 175.13 KJ/mol. After husk fiber assessment, composite materials were fabricated using a Hand layup method, and their static and dynamic mechanical properties, water uptake rate, and contact angle analysis with surface energy behavior under various environmental aging circumstances were studied. In comparison to the composites “as developed,” the findings indicate that the mechanical characteristics of husk fiber‐based epoxy composites are significantly reduced by humidity and UV aging. Overall, the development of thermoset composites for structural applications can utilize husk fiber. Furthermore, after curing the water and UV‐aged composites, qualities can be recovered.

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Analysis of Dominant Process Parameters in Deep-Drawing of Paperboard

Cited by 7 publications

References 4 publications

Forming behavior of paperboard in single point incremental forming

Forming behavior of paperboard in single point incremental forming

On the use of paper to facilitate recyclability of suspension packaging

Response of extreme environmental aging on the novel Moringa stenopetala husk fiber/epoxy composites: Understanding the characteristics and thermokinetic behavior

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