Shear strength and hardness of two tropical wood species as function of heat treatment

IF 1.2 4区农林科学 Q3 MATERIALS SCIENCE, PAPER & WOOD

Maderas-ciencia Y Tecnologia Pub Date : 2022-05-01 DOI:10.4067/s0718-221x2022000100429

Alia Syahirah Yusoh, F. A. Sabaruddin, Paridah Md Tahir, Seng Hua Lee, M. K. A. Uyup, H. Husain, A. Ghani, S. Hiziroglu

引用次数: 1

Abstract

The aim of this study was to evaluate the effect of heat treatment on surface roughness, shear strength and hardness of two tropical wood species, namely batai ( Paraserainthes falcataria ) and sesendok ( Endospermum malaccensis ). Samples were exposed to temperature levels of 120 ºC and 180 ºC for 3 h and 6 h. The surface quality of the control and heat-treated samples were determined using a stylus technique. Hardness and shear strength of the samples were evaluated using Janka hardness and block-shear test, respectively. The results reveal that the surface roughness of batai improved 3 % for 80-grit and 5 % for 180-grit samples while surface roughness of sesendok improved 7 % and 10 % for 80-grit and hardness. Overall, the hardness and shear of both species were adversely influenced by heat exposure.

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两种热带木材的抗剪强度和硬度随热处理的变化

本研究旨在评价热处理对两种热带木材batai (Paraserainthes falcataria)和sesendok (Endospermum malaccensis)表面粗糙度、抗剪强度和硬度的影响。样品分别暴露在120ºC和180ºC的温度水平下3小时和6小时。使用手写笔技术测定对照和热处理样品的表面质量。采用Janka硬度和块体剪切试验分别对试样的硬度和抗剪强度进行评价。结果表明，80粒和180粒样品的表面粗糙度分别提高了3%和5%，而80粒和硬度样品的表面粗糙度分别提高了7%和10%。总的来说，两种材料的硬度和剪切力都受到热暴露的不利影响。

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

Maderas-ciencia Y Tecnologia 工程技术-材料科学：纸与木材

CiteScore

2.60

自引率

13.30%

发文量

审稿时长

>12 weeks

期刊介绍： Maderas-Cienc Tecnol publishes inedits and original research articles in Spanish and English. The contributions for their publication should be unpublished and the journal is reserved all the rights of reproduction of the content of the same ones. All the articles are subjected to evaluation to the Publishing Committee or external consultants. At least two reviewers under double blind system. Previous acceptance of the Publishing Committee, summaries of thesis of Magíster and Doctorate are also published, technical opinions, revision of books and reports of congresses, related with the Science and the Technology of the Wood. The journal have not articles processing and submission charges.