Tribo-Mechanical characterization of carbonized coconut shell micro particle reinforced with Cissus quadrangularis stem fiber/epoxy novel composite for structural application. Issue 8 (3rd August 2022)

• Record Type: Journal Article
• Authors: Jenish, Iyyadurai; Veeramalai Chinnasamy, Sathish Gandhi; Basavarajappa, Satyappa; Indran, Suyambulingam; Divya, D.; Liu, Yucheng; Sanjay, M. R; Siengchin, Suchart
• Is Part Of: Journal of natural fibers. Volume 19:Issue 8(2022)
• Page Start: 2963
• Page End: 2979
• Publication Date: 2022-08-03
• Subjects: Cissus quadrangularis stem fiber -- mechanical and tribological investigation -- coconut shell ash powder -- pin-on-disc wear testing machine -- scanning electron microscopy -- failure mechanisms; 四角肌干纤维 -- 机械和摩擦学研究 -- 椰壳灰粉 -- 销盘式磨损试验机 -- 扫描电子显微镜 -- 失效机制; Textile research -- Periodicals; Textile research; Periodicals; 677.005
• DOI: 10.1080/15440478.2020.1838988
• Languages: English
• ISSNs: 1544-0478

Abstract

ABSTRACT: In this article, mechanical and tribological characterization of Cissus quadrangularis stem fiber (CQSF)/epoxy resin particulate with and without coconut shell ash (CSA) powder was carried out. The materials were fabricated by the hand lay-up method. Epoxy and 30 wt.% CQSF with 40 mm fiber length were taken to fabricate the base material, and CSA was separately added at 2.5, 5, 7.5, and 10 wt.%. In this way, five materials were fabricated for mechanical and tribological investigation. The tribological characterization was analyzed by Response Surface Methodology (RSM) using Design-Expert software, and pin-on-disc wear testing machine was used to calculate the specific wear rate of the materials under different experimental conditions. A design table was created for four factors and three levels using full factorial central composite design. The maximum tensile (110.31 MPa) and flexural (136.11 MPa) strength obtained at 5 wt.% CSA addition and after that reduced. The maximum hardness (98 HRRW) and impact strength (20.03 J/cm 2 ) were obtained at 10 wt.% CSA particulate-filled CQSF/epoxy composite. CQSF/epoxy with 5.9 wt.% CSA filler yielded better specific wear rate (6.67 × 10 −5 mm 3 /Nm) compared with other compositions, which was found in the RSM technique. Scanning electron microscopy (SEM) images were taken to identify failure mechanisms for the specimen.