Vinyl Composite Tile Surrogate for Mechanical Slip Testing.
Vinyl Composite Tile Surrogate for Mechanical Slip Testing.
复制标题
用于机械滑动测试的乙烯基复合瓷砖替代品。
DOI：
10.1080/24725838.2019.1637381
复制
发表时间：
2019
影响因子：
1.3
通讯作者：
Beschorner,KurtE
中科院分区：
文献类型：
--
作者：
Chanda,Arnab;Reuter,Aiden;Beschorner,KurtE
本研究旨在确定一种适用于鞋类牵引力测试的耐用实验室级乙烯基复合瓦（VCT）替代材料。为了进行这项研究，研究人员测试了8种聚合物瓦片（铸尼龙、聚乙烯、聚碳酸酯、缩醛、德林、聚四氟乙烯、聚丙烯和尼龙）在不同鞋子和污染物（水、月桂硫酸钠和油）下的可用摩擦系数（ACOF），并与两种VCT设计的可用摩擦系数进行了比较。含油铸造尼龙瓦的鞋ACOF性能一般适用于含油情况下的两种vct。八种候选瓷砖的ACOF性能均不适用于其他污染条件下的vct。预计铸造尼龙将作为耐用的VCT替代品，用于油污染条件下鞋类的标准滑动测试。技术摘要背景：乙烯基复合瓷砖（VCT）是工作场所常见的地板材料，有时被用作机械滑移测试实验的标准地板材料。不幸的是，VCT是一种次优的标准测试材料，因为它会随着时间的推移而变化，并且很难始终如一地制造。目的：本研究旨在确定一种耐用的实验室级替代地板，可以提供代表鞋类在VCT上性能的牵引结果。方法：对8种聚合物瓦片（铸尼龙、聚乙烯、聚碳酸酯、缩醛、德林、聚四氟乙烯、聚丙烯和尼龙）进行测试，测量有效摩擦系数（ACOF），并与两种VCT设计进行比较。首先，进行筛选测试，以确定基于六种鞋和两种污染物（水和油）的良好候选材料。然后在17种鞋子和3种污染物条件（水、月桂硫酸钠和油）下测试了两种替代候选瓷砖。结果：尼龙瓦被发现是最普遍的VCT替代品，与两种VCT的油污染表现出很强的相关性。所有候选物都不能代表其他污染物的vct。结论：在油性条件下，铸造尼龙可能是VCT标准滑动测试的有用选择。
OCCUPATIONAL APPLICATIONSThis study aimed to identify a durable laboratory-grade surrogate material for vinyl composite tile (VCT) suitable for footwear traction testing. To conduct this investigation, eight polymer tiles (cast nylon, polyethylene, polycarbonate, acetal, Delrin, PTFE, polypropylene, and nylon) were tested across different shoes and contaminants (water, sodium laurel sulfate, and oil), and the available coefficient of friction (ACOF) was measured and compared with that of two designs of VCT. Shoe ACOF performance on cast nylon tile with oil contamination was generally applicable to both VCTs in oil contaminated condition. Shoe ACOF performance for none of the eight candidate tiles were applicable to the VCTs for other contaminated conditions. Cast nylon is anticipated to serve as a durable VCT surrogate, for standard slip testing of footwear in oil-contaminated conditions.TECHNICAL ABSTRACTBackground:Vinyl composite tile (VCT), which is a common flooring in workplaces, is sometimes utilized as the standard floor material for mechanical slip testing experiments. Unfortunately, VCT is a sub-optimal standard test material, since it changes over time and is difficult to manufacture consistently.Purpose:This study aimed to identify a durable laboratory-grade substitute flooring that could provide traction results that are representative of footwear performance on VCT.Methods:Eight polymer tiles (cast nylon, polyethylene, polycarbonate, acetal, Delrin, PTFE, polypropylene, and nylon) were tested and the available coefficient of friction (ACOF) was measured and compared with that of two VCT designs. First, a screening test was performed to identify good material candidates based on six shoes and two contaminants (water and oil). Two surrogate candidate tiles were then tested across 17 shoes and 3 contaminant conditions (water, sodium laurel sulfate, and oil).Results: Cast nylon tile was found to be the most generalizable VCT surrogate, exhibiting strong correlations with both VCTs for oil contamination. None of candidates were representative of the VCTs for other contaminants.Conclusions:Cast nylon may be a useful alternative for VCT for standard slip testing of footwear in oily conditions.
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