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Determination of elastomer material properties for the Mullins effect using a bi-axial test device
Determination of elastomer material properties for the Mullins effect using a bi-axial test device
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机译:使用双轴测试设备确定用于穆林斯效应的弹性体材料特性
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摘要
Systems and methods for determining material properties of elastomers for the Mullins effect are described. In one aspect of the present invention, material properties of an elastomer membrane specimen are obtained using a system comprising a bi-axial test device, a pump, a fluid reservoir, a linear variable differential transformer, a pressure transducer and a computer. The bi-axial test device comprises a top plate and a bottom plate. The top plate has an elliptical shape hole configured to allow the specimen to be expanded up by pressures of the inflating fluids. The hole is so dimensioned that the specimen can be expanded with a relatively low pressure. The bottom plate is a solid plate configured with a fluid intake at one side and a fluid outlet at the other end. The fluid intake is connected to the fluid reservoir. Fluids stored in the fluid reservoir are pumped into the bi-axial test device by the pump. The fluid outlet is connected to the pressure transducer.
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