Investigation on wear behaviors and worn surface morphology of surface treated palmyra fruit fiber/polyester composites to appraise the effects of fiber surface treatments

Abstract

Dry sliding wear behaviors and identified wear mechanisms of untreated/surface treated Palmyra fruit fiber reinforced polyester composites have been presented. The wear tests are conducted on a pin‐on‐disc wear tester under ambient conditions. Wear mechanisms are studied through SEM and stereo microscopic analysis on the worn surface and the counter body, respectively. From the results, it is recognized that the wear resistance of the composites is better than the untreated fiber reinforced composites and extreme in the composites made up of NaOH‐treated fibers. The leading fiber failure mechanisms identified in the untreated fiber reinforced polyester composites are fiber debonding and fiber crack. Some important wear mechanisms that are identified on the worn surfaces are adhesion, surface fatigue, plastic deformation, and crazing. POLYM. COMPOS., 39:2029–2035, 2018. © 2016 Society of Plastics Engineers

Dynamic-mechanical properties as a function of luffa fibre content and adhesion in a polyester composite

“…Mercerization of the fibres was carried out by first washing and drying the fibres and then immersing them in 1 N NaOH aqueous solution for 1 h followed by thorough washing using distilled water. Treated fibres were dried in an oven for 6 h at 60 � C. Part of these fibres was further treated with 1 N Ca(OH) 2 solution for 1 h followed by thorough washing with distilled water until neutral pH was reached [22]. And some art of the mercerized fibres was dipped into a silanol solution for 1 h followed by oven drying [22] The silanol solution was prepared by diluting 0.3 wt% of tri-chloro-vinyl silane in 1 L of acidified water (3.5 pH).…”

The synergy of fiber surface treatment and nanoclay on the static mechanical and tribological behaviors of Palmyra fruit fiber/Montmorillonite nanoclay reinforced polyester hybrid composites

“…Due to the nanoclay inclusion in the matrix phase, the wear debris formation is less in all kinds of HRC. In the case of SRCs, 15 the maximum wear resistance is identified in NaOH-treated fiber composites due to the extensive formation and retention of wear debris. In HRCNT, the wear debris formation is not abundant.…”

“…14 In addition, the necessity of fiber surface treatment on the mechanical and tribological properties is explored with the conclusion to use the optimum fiber surface treatment. 15 Nevertheless, the researchers analyzed the need for high aspect ratio nanoparticles to strengthen the polymer phase in all aspects. Suresha et al 16 have investigated the effect of nano-filler incorporation on the wear resistance of the polymer.…”

Experimental study on the influence of fibre surface treatments and coconut shell powder addition on the compressive strength, hardness and tribological properties of sisal fibre-natural rubber composites

“…Low mechanical strengths caused by reduced fibre-matrix adhesion have been reported by many (Shalwan and Yousif, 2014;Yousif et al, 2010;El-Tayeb, 2008). Tribological issues like lower wear resistance also have been reported (Chin and Yousif, 2009;Sankar and Raveendran, 2016;Irullappasami et al, 2016). Natural fibres are basically hydrophilic in nature.…”