METHOD FOR PRODUCING COMPOSITE OF CFRTP PLATE MATERIAL WITH METAL PLATE MATERIAL AND COMPOSITE THEREOF
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United States of America Patent
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Issued Date -
Apr 18, 2024
app pub date -
Dec 29, 2023
filing date -
Aug 10, 2021
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Abstract
A CFRP material with an Al alloy sheet attached to or a CFRTP material with an Al alloy sheet attached to is prepared by joining an Al alloy sheet with a CFRP material or a CFRTP material by adhesion or by injection molding. The surface of this Al alloy sheet and a surface of metal material such as Ti, etc., are subjected to chemical treatment. After this chemical treatment, the CFRP material with an Al alloy sheet attached to or the CFRTP material with an Al alloy sheet attached to and the metal material are inserted into a metallic mold for injection molding so as to have a gap therebetween. High crystalline thermoplastic resin is injected into this gap to join the metal material with the Al alloy sheet, thus obtaining a laminated composite.
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