scispace - formally typeset
Search or ask a question
Topic

SISAL

About: SISAL is a research topic. Over the lifetime, 1878 publications have been published within this topic receiving 55528 citations.


Papers
More filters
Journal ArticleDOI
TL;DR: In this paper, the effect of the combined chemical treatment of sisal fibres through the subsequent processes of mercerisation (alkali-treatment), then silane treatment and eventually acid hydrolysis, on sisal fibre were investigated.
Abstract: The effect of the combined chemical treatment of sisal fibres through the subsequent processes of mercerisation (alkali-treatment), then silane treatment and eventually acid hydrolysis, on sisal fibre were investigated. The effect of the treated fibres on the tensile strength and stiffness, flexural strength and stiffness, compression strength and shear strength of their composites with epoxy resin were also studied. Scanning electron microscopy studies of the surfaces of the treated and untreated fibres showed that the chemical treatment processes enhanced the removal of surface extractives and therefore increased the roughness of the surfaces of the fibres in the range of 20 % - 70 %. This avails an increased reinforcement surface area for interlocking with matrix and is, therefore, expected to enhance adhesion of the two. The treated fibre reinforced composites were observed to have higher values of tensile strength and stiffness, flexural strength and stiffness, compression strength and shear strength than the un-treated fibre reinforced composites. These higher values were attributed to better interfacial bonding due to better mechanical interlocking between the treated fibres and epoxy resin arising from the increased roughness of the treated fibres.

2 citations

Journal ArticleDOI
TL;DR: In this article , Sisal and cotton natural fibers were used to construct a prosthetic socket as an attempt to substitute material currently available in the manufacturing of sockets, and the influence of different fiber layering sequences on the volumetric and mechanical characteristics was estimated experimentally and numerically.
Abstract: Natural fibers and their composites are the evolving movements in material science, and with that, the utmost use of plant-based fibers has become the focus of this research. Sisal and cotton natural fibers were used to construct a prosthetic socket as an attempt to substitute material currently available in the manufacturing of sockets. The vacuum bagging technique was adopted to produce a below-knee socket. The influence of different fiber layering sequences on the volumetric and mechanical characteristics was estimated experimentally and numerically. Mechanical tensile tests were used to assess laminated specimens, such as tensile strength, young modulus, and elongation percentage. The number and type of reinforcing layers had an effect on mechanical properties, and the best composite specimens were three layers of sisal with two layers of carbon fiber, with tensile strength and modulus of elasticity reaching (261–4760) MPa, respectively. The finite element method (ANSYS- 16.1) was used to anatomize by seeing the contours distribution of safety factor, equivalent Von Mises stress, equivalent Von Mises strain, and total deformation. This procedure was executed by building ten models for the socket, which served as three-dimensional structural composite materials. The results of the present study advocate that the arrangement of natural and synthetic reinforcements allow the preparation of bio-composites with enhanced performance. This work revealed the assets of sisal and cotton fiber hybrid reinforced PMMA resin composites (hybridized at diverse volume percentages and lamination layup), which have not been tried up to now.

2 citations

Journal ArticleDOI
TL;DR: In this article , the degradation of sisal fiber in UHPC under steam curing (90 °C) or standard curing (20 °C, RH ≥ 95.0%) conditions were investigated, and the interfacial bonding between sisal fibers and UHCPC was also studied.
Abstract: It is well known that plant fibers suffer serious alkali hydrolysis and mineralization in ordinary cement mortar or concrete, resulting in significant degradation of interface bond and mechanical performance. The stability of plant fibers in ultra-high performance concrete (UHPC) is seldom reported until now. In this paper, the degradation of sisal fiber in UHPC under steam curing (90 °C) or standard curing (20 °C, RH ≥ 95.0%) conditions were investigated, and the interfacial bonding between sisal fiber and UHPC was also studied. On the other hand, the mechanical properties of UHPC under two curing conditions were carried out. The experimental results indicated that the bonding between sisal fiber and matrix under steam curing conditions was lower than that under standard curing conditions, which was caused by the thermal contraction of sisal fiber at high temperatures. For sisal fibers in UHPC with two curing conditions, thermogravimetric analysis and X-ray diffractometer results revealed that some amorphous substances underwent alkali hydrolyzation and no significant damage occurred on cellulose. The backscattering scanning electron microscope images also showed that the mineralization of sisal fibers in UHPC was very slight. Therefore, the degradation of sisal fiber in UHPC was limited during the curing period and the long-term performance should be further studied.

2 citations

Journal ArticleDOI
TL;DR: In this paper , the production and characterisation of natural fiber composites produced from naturally occurring fiber such as Borassus fiber, Banana fiber, Jute fiber, and Sisal fiber, as well as the mechanical characteristics of these composites are studied.

2 citations


Network Information
Related Topics (5)
Nanocomposite
71.3K papers, 1.9M citations
76% related
Cellulose
59K papers, 1.4M citations
75% related
Ultimate tensile strength
129.2K papers, 2.1M citations
74% related
Polymer
131.4K papers, 2.6M citations
71% related
Scanning electron microscope
74.7K papers, 1.3M citations
71% related
Performance
Metrics
No. of papers in the topic in previous years
YearPapers
2023130
2022268
2021157
2020127
2019145
2018141