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Cold forming of plastics part II. Draw forming of laminates containing crosslinkable core by D. C. Prevorsek; P. J. Koch; H. J. Oswald; H. L. Li is a Materials Science article available to read on EtoBox.

What is Cold forming of plastics part II. Draw forming of laminates containing crosslinkable core about?

## Abstract The problems encountered with cold formed thermoplastic material, namely, low heat distortion temperature and stress and solvent crazing, can be overcome by using a laminate consisting of a reinforced thermosetting core sandwiched between two drawable face sheets. This process imposes a restriction on the material by the need for a curing cycle to transform the core into a hard, three dimensional network. To take full advantage of the very fast metal forming technique, the curing should be accomplished outside of the forming apparatus and without external restraint. In order to impart a practical shelf life to the laminate at room temperature, the chemical requirements of the core can only be met with an elevated temperature cure. This in turn places an additional restriction on the face sheets, as they will have to withstand the curing conditions without external constraint and without dimensional changes of the formed part. Finally, the face sheets then have to become an integral part of the formed laminate upon curing of the latter, involving a high adhesive strength between the cured core and the face sheets. The criteria for the selection of the materials for vario

Who reads Cold forming of plastics part II. Draw forming of laminates containing crosslinkable core?

Author

D. C. Prevorsek; P. J. Koch; H. J. Oswald; H. L. Li

Publisher

Society for Plastic Engineers; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0032-3888)

Published

1971

Language

EN

Field

Materials Science (Physical Sciences)