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SPE Library

The SPE Library contains thousands of papers, presentations, journal briefs and recorded webinars from the best minds in the Plastics Industry. Spanning almost two decades, this collection of published research and development work in polymer science and plastics technology is a wealth of knowledge and information for anyone involved in plastics.

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Conference Proceedings

Process Simulation Long Fiber Thermoplastic Polypropylene Bus Seat Component
Uday Vaidya, September 2002

PowerPoint Presentation at ACCE 2002.

Soy Biobased Materials for Automotive Applications
Professor Richard Wool, September 2002

PowerPoint Presentation at ACCE 2002.

Bio-based Thermoset Resins and Their Composites
M. Misra, September 2002

PowerPoint Presentation at ACCE 2002.

Growing and Processing Natural Renewable BAST Fibers for Natural Fiber Composites
Hugh S. McKee, September 2002

PowerPoint Presentation at ACCE 2002.

Development of a Long Fiber Reinforced Composite Seat Structure for Mass Transit Applications
Klaus Gleich, September 2002

PowerPoint Presentation at ACCE 2002.

Fiber-Filled Materials and New Flexible Design Methodology for Hybrid Front-End Carriers
Padraig Naughton, September 2002

PowerPoint Presentation at ACCE 2002.

The Bonding of Engineered Structures in the 21st Century A New Class of Structural Adhesives
John Pacanovsky, September 2002

PowerPoint Presentation at ACCE 2002.

Development of An Alli-Composite Tank for High Pressure Hydrogen Storage.
Brent Gerdes, September 2002

PowerPoint Presentation at ACCE 2002.

Engineered Structural Composite (ESC) Materials in Stiffness-critical Fuel Cell Applications
Marc Imbrogno, Brian Hull, September 2002

PowerPoint Presentation at ACCE 2002.

A Novel Composite Plate for PEM fuel cells
Mahmoud Abd Elhamid, September 2002

PowerPoint Presentation at ACCE 2002.

Fuel Cell Applications-Update
Tony Androsky, September 2002

PowerPoint Presentation at ACCE 2002.

"Green" Bio-Composites: Moving Towards More Eco-friendly Structural Automotive Parts
L. T. Drzal, September 2002

PowerPoint Presentation at ACCE 2002.

A New Self-reinforced Polypropylene Composite
Renita S. Jones, September 2002

A novel 100% polypropylene material has been developed which creates a new class of thermoplastic composites. In a patented process high-modulus polypropylene tapes are compacted to form a self-reinforced thermoformable polypropylene sheet. The recently commercialized material exhibits a unique set of properties including: low density good tensile strength outstanding impact strength (even at low temperatures) and recyclability. This performance positions the composite between isotropic thermoplastics and highly structured glass reinforced composites. Work with OEM's and Tier 1 suppliers suggests these composites have significant advantages in a range of interior and exterior applications. The material is under evaluation for a number of upcoming models.

Injection Molding Compounders: A Revolution in Injection Molding
Matthias Sieverding, September 2002

Direct compounding combines the continuous preparatory process with the cyclic or discontinuous injection-molding process. Everything involved in turning the individual components (polymer colorizer fillers and so on) into a homogeneous melt takes place in a single heat cycle. The co-rotating intermeshing twin-screw extruder is never shut down during production so the quality of the melt at the machine’s nozzle always remains consistent. The constancy of the recipe is sustained for all individual components by a continuously operating gravimetric feeding system. This “one heat” process allows better material properties for a substantial lower price.

Economical Production Technology for Low & High Volume 3-D TPC Parts
Tyler Johnson, September 2002

When thermoplastic composite materials first appeared a great effort was made to allow the materials to be 3 dimensionally formed by existing molding processes such as compression molding and thermoforming. As those materials have matured and new materials have become available the demand for more flexible and economical molding technology has arisen. By exploring the use of diaphragms in the molding process technology has been implemented to form 3-D thermoplastic composite parts on an industrial level. Evaluating the costs of current molding processes such as compression molding or thermoforming reveals an economical deficiency for thermoplastic composite parts with annual volumes from 1000 up to 100000. With a significant number of potential product applications increasing proportionate to a decrease in annual volumes diaphragm molding technology can generate a competitive market for thermoplastic composite materials for low and high volume production applications. Throughput tooling costs capital costs for molding equipment and what the market will bear all generate the viability of materials and manufacturing. Diaphragm molding assists in creating new economic targets for the market for a given application. This paper will overview the diaphragm molding process analyze and compare the economics of traditional molding processes for thermoplastic composites and discuss how this new technology can be applied to automotive applications.

Electron Beam Processing for Automotive Composites Applications
Kerluke, September 2002

Electron beam (EB) processing has been used for many years to modify polymers for a number of important industrial applications. More recently a significant amount of research and development effort has been directed at electron beam curing of advanced composites primarily for aerospace applications. An overview of potential uses of this technology for automotive applications including curing of SMC and RTM /VARTM components filament wound components large body/chassis components adhesive bonding of composite components composite resins and thermoplastic composites as well as some important non-composite automotive applications is presented.

Applications of Carbon Fiber SMC for the 2003 Dodge Viper
Mark Bruderick, September 2002

The 2003 Dodge Viper Convertible makes the first automotive use of carbon fiber sheet molded composite (CFSMC) in nine components to provide structural performance and to achieve significant weight savings. Right and left fender support systems employ a total of six carbon fiber composite moldings. In addition carbon fibers are used to provide selective stiffening to the windshield surround and door inner structures which consist primarily of conventional glass fiber SMC (GFSMC). The design and analysis materials and process and performance of these innovative composite structures are discussed

Using Computer Aided Engineering to Design Better Thermoset Composite Parts.
Bruce Davis, September 2002

This paper focuses on the effects of fiber orientation anisotropies on the structural performance of thermoset composite parts. The most important factors to consider when predicting fiber orientation are gate or initial charge location as well as part geometry. The structural performance of the part is greatly affected by the amount of fiber orientation. Taking an automotive headlamp housing and a truck front bumper as examples this paper presents the structural effect that gate and charge location as well as choice of injection and/or compression molding have on performance of the final part. First a mold filling computer simulation is performed for each case. Then fiber orientation is computed and used to model the structural performance of the part under load. Results are compared to structural performance modeled without taking into consideration fiber orientation. The results show up to 100% difference on the final stress when fiber orientation is taken into account. These results demonstrate the importance of considering fiber orientation when modeling structural performance to design better composite parts.

Influence of Consolidation and Forming Parameters in the Molding of Continuous Fiber Reinforced Thermoplastic Composites
Gilbert Lebrun, September 2002

Continuous fibre reinforced thermoplastic (CFRTP) composites offer many advantages over thermoset composites and metallic materials especially their resistance to corrosion their recycling possibilities and their high specific stiffness. The shaping of these materials into complex forms however requires a good knowledge of the combined behaviour of the molten thermoplastic matrix and of the fibres because of the high intra and interlaminar shear deformations involved during the forming process. In this paper the influence of laminate consolidation parameters on the microstructure and mechanical properties of the laminate are first presented. Next the deformation mechanisms induced in the laminate in typical forming conditions are presented and discussed in regard to their influence on the physical and aesthetic properties of the moulded part. Numerical moulding predictions obtained from a commercial code are finally presented.

Numerical Simulation of Reinforcements Forming: The Missing Link for the Improvement of Composite Parts Virtual Prototyping
P. de Luca, September 2002

Composites draping simulation is introduced. There are basically two methods: the geometric approach and the mechanical approach. The possible results that can be obtained using these methods are illustrated by an example. This type of simulation can be used not only to optimize the fabrication process but also to improve the mechanical performance calculations and more generally speaking the composite parts design. For example the influence of the preforming operation on resin injection for processes like resin Transfer Molding (RTM) is demonstrated on a numerical example







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How to reference articles from the SPE Library:

Any article that is cited in another manuscript or other work is required to use the correct reference style. Below is an example of the reference style for SPE articles:

Brown, H. L. and Jones, D. H. 2016, May.
"Insert title of paper here in quotes,"
ANTEC 2016 - Indianapolis, Indiana, USA May 23-25, 2016. [On-line].
Society of Plastics Engineers, ISBN: 123-0-1234567-8-9, pp. 000-000.
Available: www.4spe.org.

Note: if there are more than three authors you may use the first author's name and et al. EG Brown, H. L. et al.

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