Anurag Namdev

This study focuses on the creation and analysis of hybrid composites using Curaua fiber and Carbon Nanotubes (CNT) as reinforcement materials. The composites were fabricated through a hand layup technique, with CNT concentrations varying at 0, 0.5, 1.0, and 1.5 weight percentages. An experimental design approach and analysis of variance (ANOVA) were employed to examine the effects of control parameters on the wear volume loss of the composites. Specifically, the weight percentage of the filler, normal load (5, 10, 15, and 20 N), and sliding distance (250, 500, 750, and 1000 m) are the key parameters for wear analysis. The findings showed that the composite with 1.0 wt.% of CNT exhibited enhanced tensile strength, hardness, and improved wear resistance relative to the other samples. At 0.5% and 1.0% of CNT, the tensile strength improved by approximately 7.52% and 17.04%, respectively, compared to the neat composite. The P-1 hybrid composite has 76.55 MPa tensile strength, the highest among all the fabricated composites. The Rockwell hardness increases by approximately 5.19% and 9.09% with the inclusion of 0.5 and 1.0 wt.% CNT, respectively. The study concluded that the practical outcomes were in close alignment with the optimal results predicted.

The rapid expansion of the manufacturing sector has driven the demand for advanced materials that show superior strength, stiffness, and durability while remaining cost-effective and environmentally sustainable. The evolution of novel substances with tailored abilities for specific usages is a key focus of modern research and technological advancements. Fiber-reinforced polymer (FRP) composites have attracted considerable interest because of their many benefits compared to traditional materials. This review aims to analyze the impact of fiber reinforcements, nanofillers, and their combination on the mechanical properties of epoxy composites. The study examines how different types of fiber orientations—unidirectional, bidirectional, and multidirectional—affect the performance of laminate composites. Additionally, the influence of carbon-based and inorganic nanoparticles on the epoxy matrix is discussed, emphasizing the importance of optimal concentration and uniform dispersion. To achieve these objectives, the study reviews and synthesizes findings from existing literature, comparing mechanical properties such as tensile strength, flexural strength, impact resistance, and thermal stability across various epoxy composite formulations. The results highlight how the strategic selection of reinforcement materials can enhance overall composite performance, offering insights into improving strength, durability, and functionality. These findings are crucial as they can help advance the design of high-performance epoxy composites for a wide range of applications. This review provides valuable knowledge for researchers seeking to optimize epoxy-based composites for advanced applications, contributing to the ongoing progress in material science and engineering.

This paper presents a novel approach to optimizing the die design for forging used in connecting rods. The combination of Taguchi (orthogonal L9) and the finite element method (FEM) was employed to achieve this optimization. The main objective of this study was to analyze the impact of design parameters on die-filling and yield improvement. The orthogonal L9 design was generated with three input parameters and one response variable. These input parameters were derived from the design dimensions of the forging tool, specifically flash land, draft, and flash thickness. The response variable was the maximum yield percentage, which was obtained through finite element simulations of the forging processes. By conducting an orthogonal analysis, the relationships between the response variable and the input parameters were established. The simulation results were then used to compare the outcomes of two different designs. It was found that preform one outperformed the other design, achieving an impressive yield of 88% at a forging load of 1.37 × 104 N, with complete die filling observed.

Objective of current study is to examine the machining characteristics of Al6082 composites embedded with multi-walled carbon nanotubes (MWCNTs). Herein, chemical vapor deposition (CVD) technique was used to develop MWCNTs. Stir-squeeze casting method was used to develop 0.3 wt.%−1.2 wt.% MWCNTs/Al6082 composites. Morphology of MWCNTs was analyzed by field emission scanning electron microscopy (FESEM). FESEM analysis was performed for as-cast nanocomposites which showed uniform spreading of MWCNTs up to 0.9 wt.% and beyond that clusters of MWCNTs were observed. Hardness and tensile strength of nanocomposites were also measured to observe the impact of addition of MWCNTs. Al6082 composites reinforced with 0.9 wt.% of MWCNTs showed highest hardness and tensile strength. It is important to examine the drilling characteristics as CNT in tube form may become constraint if they are not uniformly distributed and may obstruct tool movement. CNC electric discharge machining (EDM) and CNC milling machine were used to perform the drilling operation on nanocomposites with varying cutting parameters. It was noticed that inclusion of MWCNTs enhanced material removal rate (MRR) and surface finish of composites owing to enhanced brittleness. Strong interfacial bonding between MWCNTs and Al6082 matrix reduced the delamination during drilling operation.

In this research, Graphene nanoplatelets (GNP) reinforced epoxy nano composites were fabricated via magnetic stirrer and ultra sonification assisted hand layup method. The impact of different weight percentage of GNP (0, 0.25, 0.50, and 1.0%) on different characteristics of nano composites was evaluated. The microstructure analysis of developed nano composite was determined by Field emission scanning electron microscopy. It was examined that epoxy nano composites containing 0.5 wt.% GNP have the highest tensile, flexural, and impact strength compared to neat epoxy. The reduction in tensile and flexural strength is achieved at 1% of GNP. Adding more nanofiller to a certain limit causes non-uniform dispersion and agglomeration of nanoparticles, which results in a reduction in properties. The 1% GNP reinforced nano composite has the highest value of shore hardness.

The purpose of this investigation is to see how varying percentages of Graphene Nanoplatelets (GNP) affect the wear behaviour of carbon fibre reinforced epoxy (CFRE) composite. The hybrid nano composites were developed using hand layup process followed by compression moulding. Furthermore, the impact of operational parameters such as load and abrading distance against SiC paper of 220 grit size at a rotational speed of 200 rpm was investigated. It was found that incorporating a considerable amount (up to 0.5 wt. %) of GNP significantly improved the wear performance of CFRE composites. There is increase in wear loss again for 0.75 and 1.0 wt. % GNP. The morphology of developed nano hybrid composites were linked to data patterns on wear volume and specific wear rates. GNP addition up to 0.5 wt. % strengthened the fibre-matrix interface, preventing simple fibre pull-out from matrix/fillers and enabling increased wear resistance, according to worn surface characteristics investigation.