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Mechanical Measurement System and Precision Analysis for Tactile Property Evaluation of Porous Polymeric Materials

机译：多孔聚合物材料触觉性能评估的机械测量系统和精度分析

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摘要

Tactile properties are one of the most important attributes of porous polymeric materials such as textiles, comprising a subjective evaluation index for textile materials and functional clothing, primarily affecting the sensation of comfort during the wearing of a garment. A new test method was proposed, and a mechanical measurement system was developed to objectively characterize the tactile properties of porous polymeric materials by simulating the dynamic contact processes during human skin contact with the materials and in consideration of different aspects of tactile sensations. The measurement system can measure the bending, compression, friction, and thermal transfer properties in one apparatus, and is capable of associating the objective measurements with the subjective tactile sensations. The test and evaluation method, the components of the mechanical measurement system, the definition and grading method of the evaluation indices, and the neural network prediction model from objective test results to subjective sensations of tactile properties were presented. The experiments were conducted for the objective tests and correlation tests. Seven types of porous polymeric sheet materials from seven categories for the tactile properties were cut to a size of 200 mm × 200 mm and tested. Each index of tactile properties was significantly different (P < 0.05) between different sheet materials. The correlations of bending, compression, friction, and thermal transfer properties with Kawabata KES test methods were analyzed. An intra-laboratory test was conducted and an analysis of the variance was performed to determine the critical differences of within laboratory precisions of the measurement system. This mechanical measurement system provides a method and system for objective measurement and evaluation of tactile properties of porous polymeric sheet materials in industrial application.
机译：触觉特性是诸如纺织品之类的多孔聚合物材料的最重要属性之一，包括对纺织品材料和功能性服装的主观评价指标，主要影响穿着服装期间的舒适感。提出了一种新的测试方法，并开发了一种机械测量系统，以通过模拟人类皮肤与材料接触时的动态接触过程并考虑触觉的不同方面来客观表征多孔聚合物材料的触觉特性。该测量系统可以在一个设备中测量弯曲，压缩，摩擦和热传递特性，并且能够将客观测量结果与主观触觉相关联。提出了从客观测试结果到触觉主观感觉的测试与评估方法，机械测量系统的组成，评估指标的定义与分级方法以及神经网络预测模型。进行了客观检验和相关检验的实验。将来自七个类别的七种类型的多孔聚合物片材的触觉特性切成200 mm×200 mm的尺寸并进行测试。不同的片状材料之间的每个触觉性能指标显着不同（P <0.05）。使用Kawabata KES测试方法分析了弯曲，压缩，摩擦和热传递特性的相关性。进行了实验室内部测试并进行了方差分析，以确定测量系统实验室精度内的关键差异。该机械测量系统提供了用于客观测量和评估工业应用中的多孔聚合物片材的触觉特性的方法和系统。

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