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Material to be measured for stress analysis, coating liquid for forming coating film layer on the material to be measured, and stress-induced luminescent structure
Material to be measured for stress analysis, coating liquid for forming coating film layer on the material to be measured, and stress-induced luminescent structure
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机译:用于应力分析的被测材料,在被测材料上形成涂膜层的涂布液以及应力诱发的发光结构
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摘要
In one embodiment of the present invention, on the surface of a material to be measured for stress analysis which has a stress-induced luminescent material layer formed thereon, a distortion energy is disclosed which is transmitted from a base material of a stress-induced luminescent material to the stress-induced luminescent material with high efficiency. The material to be measured for stress analysis has, on the surface thereof, a coating film layer, which emits light upon exposure to a change in distortion energy. The coating film layer is formed of a synthetic resin layer containing stress-induced luminescent particles, and the modulus of elasticity of a base material is not less than 1.0 GPa. The thickness of the coating film layer is preferably 1 μm to 500 μm.
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