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首页> 外文会议>Materials Research Society Meeting >Deterioration and recovery of electrical conductivity during fatigue testing of stretchable wires printed onto fabrics using Ag-loaded electrically conductive pastes
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Deterioration and recovery of electrical conductivity during fatigue testing of stretchable wires printed onto fabrics using Ag-loaded electrically conductive pastes

机译：使用Ag负载的导电浆料印刷到织物上的可拉伸导线疲劳测试期间导电性的劣化和恢复

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Stretchable wires were printed on fabrics using an acrylic-based paste loaded with Ag flakes, and their fatigue properties examined. The electrical conductivity of the wires significantly decreased during a cyclic tensile test, because of a decrease in their elastic moduli (Mullins softening) as well as fatigue cracking. Because the electrical resistance and elastic moduli of the damaged samples were partially recovered by annealing at 100 °C, fatigue damage introduced to the wires was divided into reversible and irreversible components, where cracking is the irreversible damage. Although crack bridging by fibrils could occur during the fatigue test, no crack healing was observed during annealing. In contrast, fatigue damage from Mullins softening of the wires could be recovered during annealing. The recovery of electrical conductivity occurs mostly in the initial stage of rearrangement of polymer structure during annealing.
机译：使用丙烯酸类糊状物印在织物上印刷伸展线，并检查其疲劳性能。 在环状拉伸试验期间导线的导电率显着降低，因为它们的弹性模量（穆林斯软化）以及疲劳裂缝的降低。 因为通过在100℃下退火部分地回收了损坏样品的电阻和弹性模量，所以将导线引入疲劳损坏被分成可逆和不可逆的部件，其中裂缝是不可逆的损伤。 虽然在疲劳试验期间可能发生原纤维的裂纹桥接，但在退火期间没有观察到裂纹愈合。 相反，在退火期间，可以回收线的穆林斯软化的疲劳损伤。 导电率的回收主要发生在退火期间聚合物结构重排的初始阶段。

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