Natural fibers have emerged as an important component in the development of composite materials because of their mechanical properties. The properties are highly influenced by environmental conditi...

An investigation of the effects of extraction and brushing variables on the properties of hedge sisal fibers using a raspador

Demand for natural fibers is on the rise as awareness of environmental protection keeps abreast. Sisal fibers, for instance, are largely utilized not only in the manufacture of mats, ropes, carpets...

Design, Fabrication, and Testing of a Raspador for Simultaneous Extraction and Brushing of Sisal Fibers by Small-scale Sisal Farmers

ABSTRACT The use of plant fibers as a reinforcement in composites has increased daily owing to their favorable environmental considerations. Fabric properties play a significant role in alignment during composites processing, enhancing the composite properties. However, the fabric structures are formed by warp and weft yarns. These yarns are subjected to axial and shear loads, respectively. However, very limited work has been carried out on the study involving the tearing strength of the fabric. So it is necessary to study the effect of the tearing load of fabrics before converting them into composites. This paper focuses on the tearing strength of the sisal woven fabrics in both warp and weft directions. Two plain and one weftrib fabrics are prepared using sisal fibers, and their physical properties were characterized as per textile testing standards. Tear strength has been determined by Elmendorf Tear and Single Rip Tear Method by varying crosshead speeds. The result shows that woven patterns and number yarns significantly impact tearing strength. In the case of the weft rib pattern, the warp direction exhibits the highest tearing strength compared to the weft direction. Also, in the case of weftrib fabrics, the weft direction indicates better-tearing strength than another woven pattern.

https://doi.org/10.1080/15440478.2023.2165590

Study on tearing strength of woven sisal fabrics for tents and polymer composite applications

This study includes untreated sisal fibers, fibers that had been mercerized using 0.06 M NaOH and fibers cornified at 100°C in different volume fractions used as reinforcement into a general purpos...

Flexural Properties of Surface-Modified Sisal Fiber-Reinforced Polyester Resin Composites

ABSTRACT This study focused on examining and comparing the strength properties of untreated and surface-modified Giant Cavendish banana fibers. The banana fibers were mercerized using 0.06 M Sodium Hydroxide (NaOH) and treated using 0.003 M Potassium Permanganate (KMnO4) solutions. The untreated and surface-modified fibers were then subjected to a tensile test and the results analyzed using the Weibull Cumulative Distribution Function. KMnO4 treated banana fibers had a mean tensile strength of 209.321 ± 22.619 MNm−2, which translated to a 65.92% gain in strength while the mercerized banana fibers had a mean tensile strength of 162.233 ± 7.976 MNm−2, which was a 28.60% gain in strength. Mercerized banana fibers recorded a Weibull modulus of 7.6096 compared to the untreated fibers (4.7042) and KMnO4 treated fibers (3.2135). The banana fiber surface-modification using KMnO4 resulted in stronger fibers. However, the lower Weibull modulus of 3.2135 can be attributed to the introduction of flaws in to the fiber structure by the KMnO4 treatment.

Strength Properties of Surface-Modified Giant Cavendish (Musa acuminata) Banana Fibers

This study aimed at determining and comparing the mechanical properties of natural, mercerized, and cornified sisal fibers. Sisal fiber morphology was modified by mercerization using a 0.06 Molar s...

M. David Munyasi

Papers

Strength Properties of Surface Modified Kenyan Sisal Fibres