In the present study an effort has been made to synthesize B4C and BN reinforced Al7075 hybrid composites using stir casting method by varying its weight percentage (3%, 6% 9%) of keeping (3%) constant for marine applications. Morphology synthesized aluminum composite particle distribution was studied in detail optical microscopy. It virtually shows homogeneous reinforcement particles base metal matrix it forms Al3BC, AlB12 AlN as interfacial reactions. Vickers micro-hardness test carried...

Graphene-ceria (CeO2G) nanocomposites were prepared by using a low-temperature solution process with different weight percentages of graphene, and their electrochemical properties investigated. Structural the studied X-ray diffraction, Raman spectroscopy, FTIR spectral analyses. FE-SEM HRTEM images revealed "wrinkled paper"-like morphology composites. Elemental mapping recorded FE-EPMA technique. XPS analyses binding states elements present in The composite 5% graphene displayed specific...

Background/Objectives: In recent days, the demand of light-weight materials is being increased in industrial applications. Especially, nanocomposites are used aerospace, automobile sector and bio-medical Methods/Statistical Analysis: this context, current study, aluminium alloy - boron carbide composites were fabricated its microstructure analysis was evaluated with help Optical Microscope (OP). Further, a detailed study done to evaluate mechanical wear resistance composites. Findings: The...

Abstract Weight reduction is a critical factor in the vehicles and numerous researchers worked on better materials design optimization to achieve that goal. This paper focused natural fibre reinforced hybrid polymer composite mono leaf parabolic spring replace existing steel multi-leaf semi-elliptical an attempt of reducing unsprung mass investigate its characteristics. The so designed analyzed for deflection stiffness, by Virtual work method, whose complex integral was solved numerically...

Yittrium oxide (Y2O3)-reduced graphene (rGO) nanocomposite was prepared by a low temperature solution process mixing different weight ratios of chemically derived rGO and Y2O3. The structural properties materials have been analyzed x-ray diffraction. Laser Raman spectroscopic study further confirmed the formation materials. morphology has field emission scanning electron microscopy (FE-SEM) transmission (TEM) images. From FE-SEM TEM images, it found that nanocrystals Y2O3 were interpolated...

In recent years, many researches focused on the polymer materials to study characteristics and enhance mechanical properties of nanocomposites in order understand factors which lead desired dispersion nanoclay matrix. The samples used this work were prepared through melt compounding, using high-density polyethylene organo-modified clay montmorillonite (MMT). During manufacturing MMT/HDPE nanocomposites, a silane modifier grafted with maleic anhydride (compatibilizer) added get good surface...

The main objective of this work is to compare the friction stir welding with plasma arc processes using dissimilar materials. materials used AA 8011 and 6061.The factors compared in process are weld quality, different feed rotation speed. effects on impact test micro hardness behaviour were studied. Morphological analysis was carried out SEM analysis. Taguchi’s, DOE method ANOVA done find parameters that have highest influence strength. results show FSW joints exhibit superior tensile...

Internal combustion engines generate undesirable emissions during the process. The NOX, HC, CO2 and CO exhausted into surroundings pollute atmosphere that leads harming human beings. major causes of pollutants are non-stoichiometric combustion, oxidation reduction nitrogen impurities in fuel air. Thermal or catalytic converters particulate traps used for post-treatment exhaust gases [5]. In this investigation, an attempt has been made to control engine by using metal-oxide coated filters....

Nowadays, the use of recyclable, eco-friendly materials in automotive industries are growing due to environmental concerns place synthetic polymers. Natural filler increasingly used reduce usage polymer matrix and improve mechanical, thermal properties composite materials. fiber incorporated hybrid places where load requirements low. This study focuses on Almond shell as a particulate reinforcement Aquilaria agallocha Roxb reinforced Epoxy with different volume fractions. The specimens were...

In the past decades study of nanocomposites has held interest researchers due to their better mechanical properties by addition small amounts filler material called nanoclay. this study, high-density polyethylene (HDPE) was chosen as matrix and nanoclay reinforcement material, i. e., Cloisite 30B. HDPE grafted with maleic anhydride (HDPE-g-MA) 3 wt.-% compatibilizer used provide adhesion between The nanocomposite materials were prepared melt compounding in a twin screw extruder spindle speed...

Glass fiber reinforced polymeric (GFRP) composite laminates have been prepared by hand layup method. According to ASTM standard, the test specimens carry out flexural bending tests. The subjected both cyclic impact load and gradual with various frequencies prior analysis. Three point bend method has adopted find strength modulus. Flexural modulus calculated from deflection curve obtained tensometer for respective specimens. properties of GFRP composites compared found that materials are...

This paper deals with the fabrication of test specimens Glass fiber reinforced plastic (GFRP), Carbon (CFRP), Glass-Carbon (G-CFRP) and glass (C-GFRP) by using hand layup method. The low velocity point load setup was fabricated fixed in milling machine cam pointer arrangement. have been subjected to for specific duration exposure time such as 0,15,30,45 60 minutes. Then impact DMA tests are also carried out above specimens. From results it found that storage modulus loss factor GFRP specimen...

This research work uses parameter variation techniques for calculating the set of vehicle parameters that result in best ride comfort driver. Tractor semi-trailer vertical dynamic model is developed using 9 degrees-of-freedom. The simulation conducted MATLAB. input to system a velocity amplitude function road irregularities. Other inputs include load conditions, speed and conditions. RMS weighted acceleration at driver’s seat centre gravity tractor different are assessed analysis.