SBIR/STTR Research Award

COMPUTER MODEL FOR PROCESSING OF THERMOPLASTIC COMPOSITES

Award identifier 07236be433f428b9daa3884b9e1d64a12ac7e6ef3fefa540b57e07e6a8b49e4cAwarding agency Department of Energy

Award amount

$49,160

Program and phase

SBIR · Phase I

Award year

1990

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Award details

Awarding agency
Department of Energy
Branch
Not reported
Recipient company
Applied Polymer&biotechnology
Proposal award date
Not reported
Contract end date
Not reported
UEI
Not reported
Solicitation number
Not reported
Topic code
Not reported

Research abstract

A MOLECULAR MECHANICS COMPUTATIONAL SCHEME IS PROPOSED FOR SIMULATION OF GRAPHITE-POLYPROPYLENE SEMICRYSTALLINE THERMOPLASTIC COMPOSITE. A CELL OF APPROXIMATE DIMENSIONS 18X18X60 A(O) OF GLASSY POLYPROPYLENE BOUNDED BY GRAPHITE ORCRYSTAL ON THE UPPER AND LOWER PLANES IS GENERATED USING KNOWN STRUCTURAL PARAMETERS AND INTERATOMIC POTENTIAL FUNCTIONS FOR POLYPROPYLENE AND GRAPHITE. AFTER GENERATION OF A SUFFICIENT NUMBER OF MICROSTRUCTURES, THE ELASTIC MODULI OF THE COMPOSITE FILM ARE COMPUTED ACCORDING TO THEODOROU-SUTER ALGORITHM. THE SCHEME IS USED TO INVESTIGATE THE EFFECT OF THERMAL EXPANSION MISMATCH AND CRYSTALLIZATION ON THE ELASTIC MODULI. THE SCHEME IS GENERAL AND MAY BE APPLIED TO ANY SEMICRYSTALLINE THERMOPLASTIC COMPOSITE.

Technology keywords

Not reported

Agency intelligence

Department of Energy

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