Mechanical Properties of Sandwich Composites Reinforced by Nanoclays: An Overview

被引：10

作者：

Parente, Joao ^{[1
]}

Reis, Paulo N. B. ^{[1
]}

Neto, M. ^{[2
]}

Amaro, A. M. ^{[2
]}

机构：

[1] Univ Beira Interior, Dept Electromech Engn, C MAST, P-6201100 Covilha, Portugal

[2] Univ Coimbra, Dept Mech Engn, Ctr Mech Engn Mat & Proc CEMMPRE, P-3030788 Coimbra, Portugal

来源：

APPLIED SCIENCES-BASEL | 2020年 / 10卷 / 07期

关键词：

nanoclay; sandwich composites; mechanical properties; LOW-VELOCITY IMPACT; POLYURETHANE FOAM; POLYESTER RESIN; SYNTACTIC FOAMS;

D O I：

10.3390/app10072637

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Structural sandwich composites have been widely used in many engineering applications, and this trend continues due to their superior mechanical properties, thermal insulation and acoustic damping. However, to further improve their mechanical properties, literature reports significant benefits obtained with nano-reinforcements. In this context, nanoclays are the most popular nano-reinforcements for polymeric nanocomposites, due to their relatively high ion exchange capacity, high aspect ratio and economic advantages. In order to stablish a systematic understanding for design criteria, this work intends to summarize all studies present in the open literature about this topic. It was possible to conclude that using nanoclays improves the mechanical properties of structural sandwich composites, especially in terms of impact strength. Nevertheless, the benefits obtained regarding fatigue performance are not adequately reported in the literature, revealing the need to develop these studies.

引用

页数：14

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