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Mechanochromic polyurethane strain sensor
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DOI：10.1063/1.4893010.png)
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摘要
En 中文
In this Letter, we study the mechanical and optical response of a thermoplastic polyurethane blended with 0.5 wt.% of bis( benzoxazolyl) stilbene dye. The mechanochromic behavior of the material is characterized in a uniaxial stress-relaxation test by simultaneously acquiring the applied force, mechanical deformation, and fluorescence emission. To offer insight into the stress-strain response of the polymer-dye blend, we adapt a classical nonlinear constitutive behavior for elastomeric materials that accounts for stress-induced softening. We correlate the fluorescent response with the mechanical strain to demonstrate the possibility of accurate strain sensing for a broad range of deformations during both loading and unloading. (C) 2014 AIP Publishing LLC.
Keyword:
CONSTITUTIVE MODEL
STRETCH BEHAVIOR
POLYMERS
NANOCOMPOSITES
DEFORMATION
MORPHOLOGY
ELASTOMERS
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期刊
IF:
3.6
论文数:
10.4W
被引数:
17.8W
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引用论文
Control of Mechanical Properties of Thermoplastic Polyurethane Elastomers by Restriction of Crystallization of Soft Segment通过限制软链段的结晶来控制热塑性聚氨酯弹性体的机械性能.png)
MATERIALS
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MATERIALSIF3.2
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Constitutive model for stretch-induced softening of the stress-stretch behavior of elastomeric materials弹性材料应力-拉伸行为的拉伸诱导软化的本构模型
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分享收藏分享收藏Luminescent bis(benzoxazolyl)stilbene as a molecular probe for poly(propylene) film deformation
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