METHOD FOR MANUFACTURING COMPOSITE MATERIAL AND METHOD FOR EXAMINING WEIGHT UNEVENNESS OF COMPOSITE MATERIAL

[Problem] To make it possible to perform quantitative examination of slight weight unevenness of a material, and to provide a method for manufacturing a carbon fiber composite material in which weight unevenness is suppressed through the examination step.[Solution] The above problem can be solved by...

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Bibliographische Detailangaben
1. Verfasser:	TOYOZUMI, Takashi
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PERFORMING OPERATIONS PHYSICS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TESTING TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	[Problem] To make it possible to perform quantitative examination of slight weight unevenness of a material, and to provide a method for manufacturing a carbon fiber composite material in which weight unevenness is suppressed through the examination step.[Solution] The above problem can be solved by a method for manufacturing a deposit containing a thermoplastic resin and carbon fibers and having a side of 300 mm or more, wherein the composite is manufactured through the following steps. Step 101: an examination step of examining the weight of an aggregate of carbon fibers or the deposit non-destructively. Step 201: a step of ascertaining weight unevenness on the basis of the result of examination in step S101. Step 301: a step of adding an aggregate of discontinuous carbon fibers and/or a thermoplastic resin to a weight-lacking area on the basis of the weight unevenness of step 201 so as to reduce the weight unevenness.