软木,一种来自可再生资源的天然材料,由于其细胞结构和作为其主要化学组分的柔性suberin的存在,目前在不同的工业领域吸引了越来越多的兴趣。以团聚的形式,事实证明,它不仅是隔热和隔音的产品,还可以作为夹层结构中的核心材料和作为能量吸收设备中的衬垫或衬垫。从这个角度来看,对其压缩响应的评估对于确保核心材料所需的平面外刚度和安全装置的适当耐撞性至关重要。考虑到软木的复杂性和由此产生的特殊压缩响应,本评论文章概述了这一最重要的财产,评估主要参数(各向异性,温度,应变率,等。)以及在自然状态下表征其特征的奇特特征(接近零的泊松比和独特的尺寸恢复)。此外,考虑到它以聚集形式的大规模开发,评估了允许其压缩行为定制的设计参数和可能影响其耐撞性的操作参数,报告一些潜在的工业应用。
Cork, a natural material from renewable resources, is currently attracting increasing interest in different industrial fields because of its cellular structure and the presence of the flexible suberin as its main chemical component. In an agglomerated form, it proved to be a compelling product not only as a thermal and acoustic insulator, but also as core material in sandwich structures and as a liner or padding in energy absorbing equipment. From this perspective, the assessment of its compressive response is fundamental to ensure the right out-of-plane stiffness required to a core material and the proper
crashworthiness in the safety devices. Considering the complex nature of cork and the resulting peculiar compressive response, the present
review article provides an overview of this paramount property, assessing the main parameters (anisotropy, temperature, strain rate, etc.) and the peculiar features (near-zero Poisson\'s ratio and unique dimensional recovery) that characterize it in its natural state. Furthermore, considering its massive exploitation in the agglomerated form, the design parameters that allow its compressive behavior to be tailored and the operating parameters that can affect its
crashworthiness were assessed, reporting some potential industrial applications.