Experimental investigation of compression moulding of glass/PA12-PMI foam core sandwich components

The manufacturing of sandwich components from pre-consolidated glass/polyamide 12 faces and polymethacrylimide foam core by compression moulding has been studied. A statistical experiment design was used initially to identify the dominant process parameters in terms of interfacial bond strength, eva...

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Bibliographic Details
Published in:Composites. Part A, Applied science and manufacturing Applied science and manufacturing, 1999-01, Vol.30 (10), p.1171-1185
Main Authors: McGarva, L.D., Åström, B.T.
Format: Article
Language:English
Subjects:
A. Thermoplastic resin
Applied sciences
B. Mechanical properties
E. Compression moulding
Exact sciences and technology
Forms of application and semi-finished materials
Laminates
Polymer industry, paints, wood
Sandwich
Technology of polymers
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Summary:The manufacturing of sandwich components from pre-consolidated glass/polyamide 12 faces and polymethacrylimide foam core by compression moulding has been studied. A statistical experiment design was used initially to identify the dominant process parameters in terms of interfacial bond strength, evaluated using the transverse tensile test method. In a subsequent extended study, the influence of face temperature and moulding pressure on the mechanical properties of the face–core interface and the sandwich construction as a whole, were characterised in terms of mode I interfacial fracture toughness, shear strength, shear stiffness, and flexural rigidity. These properties were evaluated using a modified double cantilever beam test, shear test, and four point bend test.
ISSN:1359-835X
1878-5840
DOI:10.1016/S1359-835X(99)00028-7