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公开(公告)号：US11360009B2
公开(公告)日：2022-06-14
申请号：US16957646
申请日：2018-09-21
Inventor： Yuki Fujio , Nao Terasaki
Abstract: To provide a fracture-visualization sensor capable of visualizing the fracture behavior of a composite material and a composite-material fracture-visualization system using the fracture-visualization sensor.
A first luminescent film including a mechanoluminescent material is provided on one surface of a composite material. The first luminescent film has a maximum stress per unit of cross-sectional area within the range of 19-43 N/mm2.-
公开(公告)号：US12264982B2
公开(公告)日：2025-04-01
申请号：US18245329
申请日：2021-10-11
Inventor： Yuki Fujio , Kazuma Kurihara , Kazuya Kikunaga , Kengo Manabe
IPC: G01L1/24
Abstract: A light emitting structure emits light in response to a load applied to an object from a load object. In the light emitting structure are formed contacting portions which are provided on a supporting surface of the object, and which have a predetermined length from the surface of the supporting surface in a direction perpendicular to the surface of the object, wherein a stress-luminescent material is included in at least a portion of the supporting surface and the surface of the contacting portions.
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3.发明授权公开(公告)号：US11906476B2
公开(公告)日：2024-02-20
申请号：US17258424
申请日：2019-06-13
Inventor： Nao Terasaki , Yuki Fujio
CPC classification number: G01N3/068 , G01N3/40 , B29C65/022 , B29C65/48 , B29C65/561 , B29C65/60
Abstract: An object is to provide a joining state detection film, a joining state detection device, and a joining state detection method, capable of detecting a joining state of a joining portion of two members from the outside. [Solution]A film containing a mechanoluminescent substance is formed on a surface, on a side opposite to a joining surface, of at least one member of two members that are joined at joining parts each having the joining surface, and physical stimulation is applied thereto.
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