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聚烯胺水凝的全面机械测试:交叉连接密度的影响

Christina G Antipova¹, Arthur E Krupnin¹, Arthur R Zakirov²

¹NRC Kurchatov Institute, pl. Akademika Kurchatova 1, 123098 Moscow, Russia.

|April 28, 2025

概括

这项研究提出了一种全面的机械测试方法,用于软生物材料,如聚烯胺水凝. 这些发现揭示了一致的年轻人.

科学领域:

生物材料科学生物材料科学
聚合物力学聚合物力学
软物质物理学软物质物理学

背景情况:

机械性能对于生物材料在生物医学应用中至关重要.
传统的机械测试对软生物材料具有挑战性,因为其属性值较低.
聚烯胺水凝作为软材料表征的模型系统.

研究的目的:

在各种加载模式下系统地研究聚烯胺水凝的机械行为.
开发一套全面的软材料机械测试方法.
通过互补的分析和数值方法验证机械测试结果.

主要方法:

在张力,扭力,压缩和缩下对聚烯胺凝进行机械测试.
开发3D打印的手柄,以防止样品滑落和过度压缩.
利用数字图像相关性来准确确定波桑比率.
使用分析估计,全尺度和数值实验验证结果.

主要成果:

从不同的机械试验中获得的扬模值之间观察到高相关性.
在低交叉连接剂度 (1-2%) 的水凝中检测到张力压缩不对称性.
确定了Mooney-Rivlin两参数模型适合特定水凝变形曲线的局限性.
弹性模块范围从20到160kPa,与人类软组织特性保持一致.

结论:

开发的方法提供了一个强大的方法,用于软生物材料的全面机械表征.
聚烯胺水凝具有适合组织模拟幻影应用的机械性能.
了解不同加载模式的机械行为对于软材料应用至关重要.

关键词:

欧洲经济论坛 (EEA) 是一个国际论坛.压缩压缩是指压缩的时间.水凝的机械行为液凝扭转的方法印是一个印.聚烯胺的水凝.紧张的紧张的紧张的

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