在波兰种植的大麻纤维和天然石膏的基础上形成的纤维-石膏复合材料的性质

Adrian Trociński, M. Wieruszewski, Jakub Kawalerczyk, R. Mirski
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引用次数: 0

摘要

:以波兰种植的大麻纤维和天然石膏为基础形成的纤维-石膏复合材料的性能。天然纤维增强复合材料的普及程度不断提高,因此,它们也是许多科学工作的主题。一个有趣的概念的例子是使用大麻纤维来增强石膏基体,因此,提出的研究旨在确定其含量对合成复合材料性能的影响。此外,还研究了定型温度对其的影响。研究范围包括:密度、凝固时间、弯曲强度、弹性模量和导热系数等性能的测定。研究表明,随着引入纤维量的增加,制造的复合材料的密度降低。此外,大麻含量的增加导致石膏基体凝固时间的显著延长。基于力学性能的结果,发现纤维的最佳含量为4%,其份额的进一步增加导致抗弯强度特性的恶化。凝固温度的升高导致其抗弯强度和弹性模量的降低。麻纤维增强复合材料的保温性能显著提高
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Properties of fiber-gypsum composite formed on the basis of hemp (Cannabis sativa L.) fibers grown in Poland and natural gypsum
: Properties of fiber-gypsum composite formed on the basis of hemp (Cannabis sativa L.) fibers grown in Poland and natural gypsum. The popularity of composites reinforced with natural fibers is constantly growing and therefore, they are a subject of many scientific works as well. An example of interesting concept is the use of hemp fibers to reinforce a gypsum matrix and therefore, presented study was aimed to determine the effect of their content on the properties of resultant composites. Moreover, the influence of setting temperature was also investigated. The scope of the research included determination of properties such as: density, setting time, bending strength, modulus of elasticity and thermal conductivity coefficient. Studies have shown that as the amount introduced fibers increases, the density of manufactured composites decreases. Furthermore, increase in the content of hemp causes a significant extension in setting time of the gypsum matrix. Based on the outcomes of mechanical properties, it was found that the optimal content of fibers is 4% and further increase in their share results in a deterioration of flexural strength characteristics. The increase in a setting temperature leads to thereduction in their bending strength and modulus of elasticity. Composites reinforced with hemp fibers demonstrate significantly improved thermal insulation properties
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