Traction performance modeling of worn footwear with perpendicular treads

IF 1.6 Q4 MATERIALS SCIENCE, COATINGS & FILMS Tribology - Materials, Surfaces & Interfaces Pub Date : 2023-08-16 DOI:10.1080/17515831.2023.2246757

Shubham Gupta, Subhodip Chatterjee, Ayush Malviya, A. Chanda

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Abstract

ABSTRACT The traction performance of the footwear deteriorates due to outsole wear which further increases the risk of slip and fall related accidents. To date, several studies have tested footwear tractions across several slippery conditions but only a few studies have attempted to assess their performance considering worn shoes. In this work, nine outsoles, with systematically modified tread geometries, were investigated, to study the effects of tread patterns in new and worn conditions on traction, across common slippery conditions. The outsoles were progressively worn in three wear cycles. Outsoles with increased worn regions generated lower friction and higher fluid pressures, indicating increased slipping risks. Also, diversion of fluid flow due to large worn regions produced high fluid accumulations at other locations over the outsoles. The methods and results are anticipated to help footwear manufacturers with the strategic design of tread patterns that can provide improved friction even when completely worn. GRAPHICAL ABSTRACT

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垂直踏面磨损鞋的牵引性能建模

由于大底磨损，鞋类的牵引性能恶化，进一步增加了滑倒相关事故的风险。迄今为止，已经有几项研究测试了鞋子在几种湿滑条件下的牵引力，但只有少数研究试图评估鞋子在磨损情况下的表现。在这项工作中，研究了九种外底，系统地修改了胎面几何形状，以研究胎面图案在新的和磨损的条件下对牵引力的影响，在常见的湿滑条件下。外底在三个磨损周期中逐渐磨损。磨损区域增加的外底产生更低的摩擦和更高的流体压力，表明滑动风险增加。此外，由于大磨损区域导致流体流动的转移，在外底的其他位置产生了高流体积聚。这些方法和结果有望帮助鞋类制造商进行胎面图案的战略设计，即使在完全磨损的情况下也能提供更好的摩擦。图形抽象

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Tribology - Materials, Surfaces & Interfaces MATERIALS SCIENCE, COATINGS & FILMS-

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