Toyota Jidosha Kabushiki Kaisha

Takuya Omoto

Yuzo Miura

Yuichi Nagamatsu

A method for calculating a laminate state of a CFRP laminate according to an embodiment includes acquiring a plurality of images of a cross section of the CFRP laminate orthogonal to a lamination direction by imaging the CFRP laminate with X-rays at a plurality of different positions in the lamination direction, the CFRP laminate including first layers including carbon fibers oriented in a first direction orthogonal to the lamination direction and second layers including carbon fibers oriented in a second direction orthogonal to the lamination direction and different from the first direction, and calculating a parameter correlated with a quantity of voids formed in the first layers and the second layers from the plurality of acquired images, and distinguishing between the first layers and the second layers using the calculated parameter.

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Okazaki, Japan

Takuya Omoto