Static Shear Strength of Single-Lap Joint Using Eggshell-Toughened Epoxy as Adhesive Agent

IF 0.4 Q4 ENGINEERING, MULTIDISCIPLINARY

International Journal of Integrated Engineering Pub Date : 2023-07-31 DOI:10.30880/ijie.2023.15.02.010

Collin Fong, Desmond Daniel Vui Sheng Chin, H. Ahmad

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Abstract

Eggshells are daily food waste disposed of in landfills, producing environmentalissues and an unpleasant odour. Eggshells were crushed to form eggshell powder and may be suitably applied as a filler in epoxy resins to improve their mechanical properties. The shear strength of toughened epoxy with eggshell powder (TEEP) wasstudied. Single-lap joint (SLJ) sheartests were conducted toinvestigate the shear strength of the SLJbonded with different volume fractionsof TEEP. For this purpose, the eggshells were dried and crushed into particles of size 150μm. The volume fraction of eggshell powder in the epoxy resin is 0%, 2.5%, 5%, and 10% by epoxy weight. The epoxy resin system was made of EPIKOTE Resin 828 and Hardener 651 with a mixing ratio of 5:2 by weight.The results show that the shearstrength greatly depended upon overlap lengthand filler volume fractions.The improvement was up to 72.7% and 39.9%,with the longest overlap length and 5% TEEP fraction.Hence, an overlap length of 38.1 mm and a 5% eggshell volume fraction gave the optimum shear strength of 5.045 kN.

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蛋壳增韧环氧树脂胶粘剂单搭接接头的静剪切强度

蛋壳是垃圾填埋场处理的日常食物垃圾，会产生环境问题和难闻的气味。蛋壳被粉碎形成蛋壳粉末，可以适当地用作环氧树脂的填料，以提高其机械性能。研究了蛋壳粉增韧环氧树脂（TEEP）的剪切强度。通过单搭接（SLJ）剪切试验，研究了不同体积分数的TEEP粘结SLJ的剪切强度。为此，将蛋壳干燥并粉碎成150μm大小的颗粒。蛋壳粉末在环氧树脂中的体积分数为环氧树脂重量的0%、2.5%、5%和10%。环氧树脂体系由EPIKOTE树脂828和固化剂651以5:2重量的混合比制成。结果表明，剪切强度在很大程度上取决于搭接长度和填料体积分数。改善率分别高达72.7%和39.9%，重叠长度最长，TEEP分数为5%。因此，38.1mm的重叠长度和5%的蛋壳体积分数给出了5.045kN的最佳剪切强度。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

International Journal of Integrated Engineering ENGINEERING, MULTIDISCIPLINARY-

CiteScore

1.40

自引率

0.00%

发文量

期刊介绍： The International Journal of Integrated Engineering (IJIE) is a single blind peer reviewed journal which publishes 3 times a year since 2009. The journal is dedicated to various issues focusing on 3 different fields which are:- Civil and Environmental Engineering. Original contributions for civil and environmental engineering related practices will be publishing under this category and as the nucleus of the journal contents. The journal publishes a wide range of research and application papers which describe laboratory and numerical investigations or report on full scale projects. Electrical and Electronic Engineering. It stands as a international medium for the publication of original papers concerned with the electrical and electronic engineering. The journal aims to present to the international community important results of work in this field, whether in the form of research, development, application or design. Mechanical, Materials and Manufacturing Engineering. It is a platform for the publication and dissemination of original work which contributes to the understanding of the main disciplines underpinning the mechanical, materials and manufacturing engineering. Original contributions giving insight into engineering practices related to mechanical, materials and manufacturing engineering form the core of the journal contents.