Compressional fatigue behaviors of air and mechanical folding nonwoven fabrics |
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| Authors: | Kum Young Kang Kui Young Lee Han Seong Kim |
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| Institution: | (1) Department of Organic Material Science and Engineering, Pusan National University, Pusan, 609-735, Korea |
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| Abstract: | The perpendicular-laid nonwoven fabrics may show high loft performance because of the structure composition, which has much
fiber oriented in the thickness direction. The ability to maintain the thickness after the cyclic loading is a basic requirement
of good high lofts. When the perpendicular-laid nonwoven fabrics are put to practical use as a cushion material, the compressional
properties of the cyclic loading should be significant. In this study, a compressional fatigue system has been developed and
evaluated with two kinds of perpendicular-laid nonwoven fabrics with different manufacturing processes. The system equation
developed provides a stress profile that can be used for analyzing the practical compressional fatigue. The fiber structure
of the perpendicular-laid nonwoven fabrics was investigated by using the orientation distribution function (ODF). |
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| Keywords: | Compressional fatigue system Perpendicular-laid nonwovens Orientation distribution function |
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