With increasing environmental awareness and ecological risk, green composites have gained more research attention, as they the potential to be attractive than traditional petroleum-based which are toxic nonbiodegradable. Because of their lightweight, friendly processing acoustic insulation, been used widely ranging from aerospace sector household applications. The end-of-life concern with many polymeric has also limited application spectrum. not only replace materials such steel wood but...

In this study, natural fiber reinforced polylactic acid composites have been developed by hot pressing through film-stacking procedure. The reinforcement materials used are nettle, Grewia optiva and sisal fibers in the plain weave form. For comparison purposes, polypropylene-based using same also developed. Mechanical properties (tensile, compressive, flexural, impact properties) of all evaluated standard test procedures. It has found that based superior mechanical can be a potential...

Nowadays, advanced plant fiber reinforced composites have captured the attention of many important manufacturing sectors such as construction, automotive, and packaging industries. Recently, Jute replaced most widely used synthetic (glass, kevlar) in applications. However, only few studies been done on tribological behavior woven fabric polypropylene composite material. In present experimental endeavor, compression molding is for preparation Jute-reinforced composites. The effect...

Natural fiber composites have attracted global attention due to their lightweight, low-carbon footprint characteristics as well good mechanical properties. Due these distinct advantages, the application spectrum of has grown at an unprecedented rate. These are used for making a wide variety sophisticated engineering products; therefore, certain degree machining operations is necessary assembly purposes. Drilling indispensable operation that frequently performed holes facilitate several...

Recently, natural fiber-reinforced composites are becoming a viable alternative to synthetic fiber in many applications. Secondary processing terms of hole making is an almost unavoidable operation for facilitating the assembly operations. In present experimental investigation, drilling process thermoplastic bio-composites has been evaluated forces. The cutting speed, feed rate and drill point geometry have taken as input parameters. Two types geometries (solid hollow shape) used work....

The processing strategy adopted to develop biocomposites plays a significant role in determining their characteristics. present experimental investigation explores the feasibility of using direct-injection molding (D-IM) process for sisal fiber (3 mm and 8 mm) reinforced poly-lactic acid with weight fraction 30%. For comparative analysis, mechanical morphological behavior developed D-IM is compared extrusion-injection (E-IM) process. terms tensile, flexural impact properties discussed...

Natural fiber-reinforced composite materials are finding wide acceptability in various engineering applications. A substantial increase the volume of production these composites necessitates high-quality cost-effective manufacturing. Drilling holes is an important machining operation required to ascertain assembly operations intricate products. In present experimental investigation, natural fiber (sisal and Grewia optiva fiber)-reinforced polylactic acid-based green laminates were developed...

This study investigates the ballistic response of laminated composite plates using numerical simulations. Numerical simulations were carried out to determine thick Kevlar/epoxy plates, commonly used in body armor. These impacted at velocities between 100 and 1000 m/s. The parametric impact caused by cylindrical projectile is undertaken obtain an estimate for limit velocity, energy absorbed plate, contact duration. effect mass diameter on velocity was also studied. results obtained hereby are...

This research endeavor explores the effect of economical and environment‐friendly treatment sisal fibers, prior to their incorporation into poly‐lactic acid (PLA). Biocomposites incorporating fibers (30% [w:w]) treated with sodium bicarbonate (10% [w:v]) aqueous solution for varying time periods (24, 72, 120, 168 h) were developed using extrusion‐injection molding process. Thermogravimetric analysis, morphological examination, Fourier‐transform infrared spectroscopy, lignocellulosic...

The current research endeavor, explores the thermal, mechanical, and degradation behavior of alkaline treated banana fibers reinforced polypropylene composites. Composites incorporating BF (20% w: w) with NaOH (5% v) aqueous solution were developed using extrusion-injection molding processes. After chemical treatment, tensile, flexural impact strength composite increases by 3.8%, 5.17%, 11.50%, respectively. Scanning electron microscope (SEM) observations tested specimens confirm fiber pull...

In the current research enterprise, behavior of novel bio-composites incorporating Aloe Vera fibers in biopolymer matrix (polylactic acid) has been experimentally examined comparison to Sisal fiber reinforced bio-composites. These were melt blended using single screw extruder prior injection molding. The effect weight fraction (10–20–30%) and surface modification on mechanical developed was investigated. Alkaline treatment sodium hydroxide concentration 5% used for modification. Both alkali...