Jonty Mago

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Verified

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• Ph.D. Candidate at Indian Institute of Technology Delhi

In this study, the use of machine learning (ML) models to predict sound transmission loss (STL) in particle-reinforced polymer composites has been examined. The work included extensive literature research and data extraction for training various ML models, focusing on their effectiveness in accurately predicting STL, which is crucial for evaluating...

This study explores the potential of panels made from Recycled Polypropylene (RPP) and Waste Jute Fiber (WJF) for sound insulation applications. Two types of panels were fabricated by the compression molding process: Neat RPP and a composite of RPP reinforced with a WJF interlayer (RPP/WJF/RPP). The physical properties, namely density and mechanica...

The modern era of urbanization and technological advancements has witnessed a substantial increase in noise levels, making it paramount to understand and innovate in the field of sound insulation. This chapter explores the critical and continually evolving field of sound insulation, addressing major public health concerns associated with noise poll...

Nowadays, there is a significant demand for eco-friendly composites reinforced with natural fibers in various engineering sectors, including automotive, packaging, and construction. This is due to their distinctive characteristics, such as biodegradability, lightweight, and affordability. The present research attempts to fabricate the composite for...

Addressing the urgent need for sustainable materials, this study investigates the development of eco-friendly composites using Recycled Polypropylene (RPP) and Denim Shoddy (DS) for sound insulation. Two configurations were fabricated through compression molding: one with only RPP and the other incorporating a DS interlayer, repurposing waste mater...

This study explores the practical application of using spent graphite (SG) derived from lithium-ion battery waste as a sustainable reinforcing filler for fabricating rubber composites. Two types of rubber, natural rubber (NR) and butyl rubber (BR), were employed as matrices, and eight composites were fabricated by increasing SG loadings [0, 10, 20,...

Agricultural residues are one of the main sources of cellulose, hemicellulose, and lignin across the globe. Notably, the transformation of cellulose, hemicellulose, and lignin into value-added products such as bio-based materials, chemicals, and fuels has been an interest among researchers to create a sustainable bio-based economy. Among the bio-ba...

India generates abundant solid waste from various activities such as agriculture, industry, mining, and municipal operations, leading to severe environmental problems. Producing carbonaceous materials from these wastes through pyrolysis offers an economical, environmentally friendly, and high-recovery solution. This work focuses on fabricating natu...

This study investigated the impact of unconstrained layer damping (UCLD) treatment configurations on the vibration-damping properties of mild steel (MS) using novel viscoelastic composite damping materials fabricated from butyl rubber (BR) and bamboo biochar (BB) as per the ASTM D3182-21a standard. Four different composite formulations were fabrica...

The supplementary information for the paper titled "Targeted Functionalization of Waste Lignocellulosic Biomass to Produce Sound Absorbing Materials" (DOI: https://doi.org/10.1007/s12649-024-02513-4) presents detailed experimental procedures and supplementary data for research aimed at developing sound-absorbing materials from waste rice straw. The...

Among the most abundantly available bioresources, lignocellulosic biomass offers a ‘green renewable’ alternative resource for producing high-value biomaterials suitable for acoustic applications. In this study, a systemic process is developed to fabricate sound absorbing material using refined cellulosic microfibrils generated from natural deep eut...

The present study aims to utilize the carbonaceous filler (pyrolytic carbon black (PCB)) obtained from tire waste to fabricate composites for thermal, vibrational, and acoustical applications. Four composites were fabricated by increasing the PCB content (0, 10, 20, and 30 parts per hundred rubber (phr)) in the natural rubber (NR) matrix following...

The present work aims to utilize two different waste carbonaceous fillers, i.e., recycled carbon black (RCB) (industrial waste) and recycled graphite (RGP) (Battery waste), for the fabrication of vibration damping composites. Three types of composites were prepared, i.e., Neat NR, NR/RCB20, and NR/RGP20, using natural rubber (NR) matrix according t...

This study investigates the impact of heat treatment on the mechanical, morphological, and dimensional properties of polyethylene terephthalate glycol (PETG), a commonly used thermoplastic in 3D printing. Taguchi L25 orthogonal array (OA) was employed to optimize 3D printing parameters, considering factors such as infill percentage (ranging from 20...

Among the most abundantly available bioresources, lignocellulosic biomass offers a ‘green renewable’ alternative resource for producing high-value biomaterials suitable for acoustical applications. In this study, a systemic process is developed to fabricate sound absorbing material using refined cellulosic microfibrils generated from natural deep e...

Components operating in fluid handling systems most frequently experience cavitation erosion. The coatings/claddings fabricated by microwave irradiation method can remarkably improve cavitation erosion. In the present work, WC reinforced NiCrSiC based metal matrix composite clads with varying weight percentage of WC particles were developed on SS 3...

Our study demonstrates that Natural Deep Eutectic Solvents (NADES) pretreatment of rice straw significantly enhances its sound absorption properties. This eco-friendly method removes lignin, increases cellulose accessibility, and forms structural changes, making pretreated rice straw a promising alternative to synthetic sound-absorbing materials fo...

Mitigating vibration in a system has many advantages, from decreasing noise output to increasing component life. Therefore, it is necessary to eliminate the mechanical vibration and sound through appropriate measures. State-of-the-art techniques seeks the utilization of sustainable carbonaceous resources for the development of sound insulating mate...

Noise pollution is a potential threat to human health and the environment. Using acoustic materials (barriers/insulators and absorbers) in the noise path is a customarily approach for noise control. Nowadays, compared to traditional sound insulating materials (metals, gypsum and concrete), polymers (plastics) have gained more interest among researc...

The current research focuses on using agricultural residues in acoustical applications. Employing a natural deep eutectic solvent (NADES) as a pretreatment medium effectively delignifies these residues. The cellulosic pulp derived post-pretreatment is a primary ingredient for manufacturing acoustic materials. Initial evaluations using an impedance...

This work reports the comparison of heat-treated and non-heat-treated laminated object-manufactured (LOM) 3D-printed specimens from mechanical and morphological viewpoints. The study suggests that heat treatment of the FDM-printed specimen may have a significant impact on the material characteristics of the polymer. The work has been performed at t...

This research demonstrates how the pretreatment process enhances the thermal stability and crystallinity of biomass, increasing its potential in high-temperature applications and improving its sound absorption properties. The material’s structure, characterized by micro and nano-pores created during pretreatment, facilitates effective sound dissipa...

The present study focuses on the utilization of bamboo biochar (BB) as a filler in natural rubber (NR) composites. This work is the first attempt to investigate the influence of BB loading on the vibration damping and acoustical properties of NR composites. NR-BB composites were prepared according to the ASTM D3182-21a standard. Vibration damping a...

Steel is the most commonly employed material in various engineering applications, and their successful machining demands finding the optimized set of machining parameters along with appropriate cooling strategies. Moreover, the significance of process parameter optimization is progressively perceived in the wake of expensive CNC machine adaptation...

Biorenewable feedstocks such as natural fibers have been explored to fabricate acoustic materials for sound-absorbing and insulating applications. Bio-based binders are utilized in the fabrication process to develop green acoustic materials with efficacy comparable to commercial synthetic acoustic materials. The efficacy of an acoustic material dep...

Fiber-reinforced polymer (FRP) matrix materials are quickly being investigated for application in concrete construction repair, reinforcement, and refurbishment. The technology has progressed to the point that its future acceptance is mainly reliant on the availability of established design guidelines based on recognized performance criteria, as we...

http://pericles.ipaustralia.gov.au/ols/auspat/applicationDetails.do?applicationNo=2021105724

The current investigation aimed to study the cavitation erosion performance of the microwave synthesized NiCrSiC-5Al2O3 composite clad with a 900 W power multimode domestic microwave applicator of 2.45 GHz frequency. The clads were deposited on the austenitic grade stainless steel, namely AISI-316. The as-deposited composite clad's microstructure,...

http://pericles.ipaustralia.gov.au/ols/auspat/applicationDetails.do?applicationNo=2021106227

This study aims to develop cavitation erosion-resistant clads on stainless steel (SS-316) using the microwave cladding technique. Ni-based alloy powder (EWAC) was reinforced with tungsten carbide (10% by wt) powder to obtain composite clads. The cladding process was carried out in a domestic microwave applicator of 2.45 GHz frequency with 900Wpower...

Cavitation erosion is the primary cause of material failure of the hydroelectric power plant components. The rapid development in the advanced surface engineering techniques has provided an effective treatment solution for cavitation erosion. One such novel method is microwave cladding. Hence, the Ni–40Cr3C2 composite clad was deposited on austenit...

Surface modification is one of the most reliable solutions for protecting the material damage in hydraulic turbines due to cavitation phenomena. However, the conventional coating/cladding process has many drawbacks like high porosity, weak adhesion strength, and poor fracture toughness. In contrast, the cladding process with microwave hybrid heatin...

The chromium carbide (Cr3C2)-reinforced Ni-based composite clad on austenitic stainless steel (SS-316) substrate was successfully developed by the microwave cladding route after optimizing process parameters (Power: 900 Watt, Exposure Time: 380 seconds). Clads were developed at 2.45 GHz frequency in a domestic microwave oven. The developed composit...

The review study considers the three-dimensional printing for anatomical simulations and their potential surgical applications. Three-dimensional (3D) printing has entirely transform the current era with its state-of-art usefulness and applications. The functional usability of three-dimensional printed models has been mentioned for orthopaedic, neu...

3D printing is one of the most preferred rapid prototyping (RP) methods used for prototyping. However, for the functional use product, the part must be highly accurate and have good strength. The biggest constraint in the functional use of RP parts is the dimensional inaccuracies. These dimensional defects mostly happen due to the irregular surface...

The problem of cavitation in hydropower plant components is the major challenge. Surface modification is the most economical method to enhance material resistance for the cavitation prone components. However, poor adhesion, cracks, and porosity of cladding/coating deposited on the substrate material is the main limitation of the commonly used surfa...

In the current study microwave energy has been used to develop composite clad of Ni+10% Cr3C2 (by wt%) on SS-316L substrate in a domestic microwave oven, generally used for low-temperature applications, having a frequency range of 2.45GHz and 900W power. The developed composite clad are characterized by various metallurgical and mechanical techniqu...

In the present work, investigation for erosion and pressure by direct and indirect vibratory cavitation testing of the austenitic stainless steel 316 has been performed. Both Specimens are exposed for cavitation erosion on vibratory cavitation apparatus (probe sonicator) of frequency 20 kHz at amplitude 60µm for 180 minutes. The surfaces of the fra...

ICTSEM-2019, Gulzar Group of Institutes G.T Road, Khanna Ludhiana, Punjab, India

The chromium carbide (Cr3C2) reinforced nickel (Ni) based composite cladding on austenitic stainless steel (SS316) substrate was successfully developed by microwave cladding process by exposure of microwave radiation of 2.45 GHz frequency at 900 Watt power for the duration of 380s. The Ni-Cr3C2 powder as mechanically mixed with a weight ratio of 60...

The purpose of this study is to investigate the effects of the specific active fluxes used in the tungsten inert gas (TIG) process on weld bead geometry, mechanical and metallurgical properties when welding 6 mm thick 304 stainless steel. This study applies a novel variant of the activated TIG welding, using oxide powders (MnO2, CrO3, MgCO3) to gra...