Coatings for Plastics

Wilke, Guido; Ortmeier, Jürgen

doi:10.1515/9783748602224

Cited by 2 publications

(3 citation statements)

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“…Additionally, we used a paired t-test to determine if the average difference in VWC between 0-30 and 30-60 cm at individual sites changed depending on 2-weeks antecedent rainfall, which ranged from 0 to 25 cm across measurement dates. We completed all data analysis using R statistical software (R Core Team, 2019) along with the R packages dplyr , tidyr , raster (Hijmans, 2019), ggplot2 (Wickham, 2016), cowplot (Wilke, 2019), GGally (Schloerke et al, 2020), and gridExtra (Auguie, 2017).…”

Section: Discussionmentioning

confidence: 99%

The Influence of Local and Nonlocal Factors on Soil Water Content in a Steep Forested Catchment

Jarecke

Bladon

Wondzell

2021

Water Resources Research

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Surface topography is commonly used as a proxy for soil water availability (Swetnam et al., 2017). This stems from our classic understanding that soil water is redistributed and organized in space via lateral and downslope movement. This can occur as saturation-excess surface runoff (Grayson et al., 1997; or as subsurface flow along a bedrock-soil interface or an interface between soil horizons (Lin et al., 2006). Consequently, terrain-based wetness metrics are widely used to identify likely runoff flow paths at hillslope and catchment scales (Jencso & McGlynn, 2011;McDonnell et al., 1996). While these projections are commonly used to inform our understanding of streamflow source areas in montane forests (Nippgen et al., 2015), few studies have examined if and how terrain-mediated flow paths impact soil volumetric water content (VWC) available to vegetation in steep, variable terrain .

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Section: Discussionmentioning

confidence: 99%

The Influence of Local and Nonlocal Factors on Soil Water Content in a Steep Forested Catchment

Jarecke

Bladon

Wondzell

2021

Water Resources Research

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“…Currently, the interior of cars is becoming more and more sophisticated and customer requirements are increasingly referring to the colors and surfaces of the elements that are in the passenger compartment [1]. Thus, the requirement for surfaces to be glossy and velvety comes as a challenge for car assembly lines.…”

Section: Introductionmentioning

confidence: 99%

“…The most common polymer substrates that can be coated in automotive industry are the thermoplastic polymers such as ABS, PC, or ABS/PC blends. The materials' properties that are relevant for the coatings technologies and that can produce effects on properties of the coated plastic part are mechanical behavior, thermal behavior, solubility, electrical behavior, and surface characteristics [1].…”

Section: Introductionmentioning

confidence: 99%

Novel Method for Failure Modes Detection in UV-Cured Clear Coated Polymer for Automotive Interior Mechatronic Devices

2022

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Plastic parts used in automotive interior are difficult to coat, due to their low surface energies as well as their sensitivity to temperature and solvents, rendering the development of coating systems for such substrates challenging. Automotive customer requirements are explicit and clear, mainly focused on functional and surface defects. A new failure modes detection methodology of UV clear coated polymers for automotive interior, obtained by a multi-step manufacturing process, is proposed. The polymer complex parts analyzed in this paper are manufactured in various steps as follows: two components plastic injection molding, primer coating, laser engraving, and UV-cured clear coating. The failure modes detection methodology of the parts within each process step is investigated using different tests and analyses as follows: surface tension test, painting adhesion test, optical 3D measuring, energy dispersive X-ray analysis (EDX), and microscopy. A design of the experiments (DoE) based on the Taguchi technique with the aim to detect the influence of the main factors that lead to surface defects was performed. The proposed methodology is validated by a case study. The results showed that the mold temperature and the laser engraving current have a significant influence on the surface defect occurrence. Additionally, a possible contamination of the molding tool can generate the defects. A solution to reduce the occurrence of the failures was proposed, reducing the defect rate from 50% to 0.9%.

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Coatings for Plastics

Cited by 2 publications

References 0 publications

The Influence of Local and Nonlocal Factors on Soil Water Content in a Steep Forested Catchment

The Influence of Local and Nonlocal Factors on Soil Water Content in a Steep Forested Catchment

Novel Method for Failure Modes Detection in UV-Cured Clear Coated Polymer for Automotive Interior Mechatronic Devices

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