Rouillard, Vincent and Sek, Michael A (2007) Behaviour of multi-layered corrugated paperboard cushioning systems under impact loads. Strain, 43 (4). pp. 345-347. ISSN 0039-2103

Abstract

During the distribution phase, products are often exposed to a variety of environmental hazards which, if excessively severe, may cause damage to and even destroy the product. Among those, mechanical shocks are potentially the most damaging and effective cushion design requires that the maximum expected shock level be defined. This is usually determined by estimating the statistical likelihood of a certain design drop height from data describing the probability of occurrence. In the most cases, such statistical distributions are constructed using limited sets of data and, as such, cannot represent all possible drop heights. Even if some extreme drop height\s were included in the sampled data, it is often the case that such events are considered unlikely to occur and are thus discounted to attain an engineering and economic compromise. With this approach, it is conceded thatthe cushioning system will not be effective for a number of extreme, statistically uncommon, events. In order to address this limitation, the mechanical behaviour of a multi-layered cushioning system, incorporating a sacrificial layer (or crumple element) has been investigated. For the purpose of this study, corrugated paperboard material was used as a prototype to study the effectiveness of the concept.

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