Browsing OSU Theses by Author "Vaidyanathan, Ranji"
Now showing items 1-20 of 27
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Additive manufacturing assisted casting methods for aluminum
Harrison, Jefferson (2022-12)Through the rise in additive manufacturing increased efforts are being made toutilize these processes in traditional manufacturing. This allows for the increased complexity and expedited processing which would otherwise ... -
Analysis of Wear and Corrosion Properties of 316 L Stainless Steel Additively Manufactured Using Laser Engineered Net Shaping (LENS®)
Sakthivel, Navin (2018-07-01)Additively manufactured stainless steel 316 L complex shaped components are used in various industries like oil and gas, chemical industries etc. for its excellent corrosion resistance and tribological properties. Additive ... -
Analyzing and Improving Viscoelastic Properties of High Density Polyethylene
Ahmed, Reaj Uddin (Oklahoma State University, 2011-07-01)High Density Polyethylene (HDPE) is closely packed, less branched polyethylene having higher mechanical properties, chemical resistance, and heat resistance than Low Density Polyentylene (LDPE). Better properties and cost ... -
Characterization of Viscoelastic Materials Through an Active Mixer by Direct-ink Writing
Drake, Eric (2017-05-01)Abstract: The goal of this thesis is two-fold: First, to determine mixing effectiveness of an active mixer attachment to a three-dimensional (3D) printer by characterizing actively-mixed, three-dimensionally printed silicone ... -
Determination of the mixed mode stress intensity factor on weakened planes for centrally cracked polycarbonate
Messer, Kyle R. (2022-12)The dynamic behavior of materials has been of interest for over a century. The development of high impact technology has seen great interest recently with notable fields such as weaponry, aerospace, automotive, and geoscience. ... -
Developing Video Measurement of Strain for Polymers Using Labview
Islam, Mazharul (Oklahoma State University, 2011-05-01)The purpose of this study was to develop a computer assisted video extensometer to measure strain, primarily for transparent polymers such as PET. Two markers, which were attached to the specimen, were tracked by the video ... -
Development of Thermoelectric Devices for Structural Composites
Nattiyatharil Panachaveettil, Oonnittan Jacob (Oklahoma State University, 2011-12-01)The study presented in this thesis covers a multiple methods for manufacturing thermoelectric structural composites for waste heat energy harvesting efficiently. Various attempts to fabricate a thermoelectric device suitable ... -
Doe Study of Polyurethane Processing Parameters Affects on Microphase Separation and Material Properties
Kandalaft, Tarek (2016-12-01)In this study, a design of experiments (DOE) has been setup to better understand the effects of percentage of hard segment (%HS), mixing index, temperature, and environmental humidity on the microstructure development, ... -
Effect of Crumb-rubber Particle Size on the Mechanical Response of Polyurethane Foam Composites
Sanjay, Omer Sheik (Oklahoma State University, 2014-07-01)The compression properties of foam are governed by by three factors: i) cell edge bending ii) compression of cell fluid iii) membrane stresses in the cell faces. The effect of reinforcement, granular form of scrap tire ... -
Effect of Dispersion Techniques on Fracture Toughness of Nanocomposites Prepared Using XG M-5 Graphene Nanoplatelets and EPON 862 Epoxy Resin
Mondal, Shamim (2018-07-01)This investigation reports on the effects of various mechanical dispersion techniques, surface treatments, and coupling agents on the fracture toughness of an epoxy resin reinforced with graphene nanoplatelets. The epoxy ... -
Effect of graphene oxide content and lithium salt on the phase separation between poly (ethylene glycol) and epoxy in a binary mixture for optimizing multifunctional performance in a polymer electrolyte
Austin, Alan James (2022-12)Structural supercapacitors represent a promising technology that will help in mitigating range anxiety while providing structural integrity to electric vehicles. Poly (ethylene glycol) (PEG), the ionic component of structural ... -
Effect of nanoparticles addition on the properties of polyurethane
Uppu, Vishanth (2018-05)This research is aimed at analyzing the properties of polyurethane nanocomposites, before and after cryogenic exposure. Graphene and Cloisite 30B were chosen as filler materials and the main purpose of adding these fillers ... -
Effect of space radiation on composite material that was internal and external of the pressurized volume on the International Space Station (ISS)
Juby, Ian D. (2022-07)The focus of this study will be on the effects that radiation environments on ISS have on composite coupons. Coupons from two different experimental programs HiMassSEE and MISSE-11 were used to run testing on. The HiMassSEE ... -
Fastener pull-out resistance of recycled polymer composites
Switzer, Clinton (2023-05)The problem of waste plastics has created a need to find new and innovative ways to keep discarded products out of landfills and turn waste materials into new products of value. By combining carpets made from poly(ethylene ... -
Finite element analysis for the design of novel ceramic propellers
Harmon, Katelynn (2022-12)Ceramics are stiff, lightweight and less prone to deflection. However, ceramics have not historically been used in propeller applications. Little is known about how ceramics will react to the various loading situations of ... -
Impact of Nanoclay on Fire Retardancy and Environental Durability of Post Consumer Carpet Composites
Das, Sarat (Oklahoma State University, 2012-12-01)A simple vacuum assisted resin transfer molding (VARTM) process was previously used to scale-up the fabrication of large-size composite specimens from recycled post-consumer waste carpet. These composites exhibited superior ... -
Impact properties of AISI 316L stainless steel repaired by Directed Energy Deposition (DED) additive manufacturing process
Mandal, Soumya (2019-12)Directed Energy Deposition (DED) is considered as one of the potential processes for metallic structural repairs. In this work, the impact properties of the repaired stainless steel 316L were investigated. The repair was ... -
Laser Surface Melting of Carbon Coated Aa7075 Aluminum Alloy: Structural Transformations and Tribological Behavior
Biswas, Sourabh (Oklahoma State University, 2014-07-01)Carbon is one of the most common solid lubricants and has often been used to achieve superior tribological properties. In this investigation, a CO2 laser in continuous wave mode was used to develop diamond-like carbon ... -
Mechanical and radiation shielding properties of boron nitride reinforced high-density polyethylene
Herrman, Korey (2020-07)In this study, the mechanical and radiation shielding properties of boron nitride (BN) reinforced high-density polyethylene (HDPE) were investigated. Pure polyethylene is considered the best material to use when shielding ... -
Modern process planning for additive manufacturing assisted a 356 aluminum casting
Garcia, Mikael Andrew (2023-05)Foundry engineering integrates mechanical design, thermal-fluid dynamics, and material science to cast components of a unique design. This project was intended to apply these concepts to optimize the casting process of an ...