Browsing Department of Mechanical and Aerospace Engineering by Subject "Additive manufacturing"
Now showing items 1-20 of 28
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A DESIGN METHODOLOGY FOR CONTINUOUS FIBER ADDITIVE MANUFACTURING USING ADVANCED COMPUTER AIDED ENGINEERING TECHNIQUES
(2018-01-19)A design methodology for Continuous Carbon Fiber Additive Manufacturing (CCFAM) developed using Computer Aided Engineering (CAE) techniques takes advantage of both the mechanical strength of composite materials and the ... -
A study of effect of bond length on bond strength using transient heat transfer analysis
(2018-08-17)It is important to understand the mechanical properties of the bonding between the adjacent layers of 3D printed parts build by fused deposition modeling. The bonding process is highly nonlinear and depends on various ... -
ADDITIVE MANUFACTURING METHODOLOGIES FOR MULTI PROCESS AND MULTI MATERIAL SCENARIOS
(2015-12-21)Additive Manufacturing processes have been developing and continuously improving but are primarily constrained to single materials, albeit some commercial multi extrusion 3D printers do exist where by it is possible to ... -
Additive Manufacturing Process Investigation for the Fabrication of Composite Scaffolds for Soft Tissue Application
(2018-05-09)Additive manufacturing has been investigated and employed in the bio-medical domain for the fabrication of various devices and scaffolds. In various soft tissue engineering applications, multi-functional multi-material ... -
Characterization and Enhancement of Fatigue and Fracture properties in Thermoplastic FFF Parts using In-Situ Annealing
(2021-12-21)Fused filament fabrication (FFF) show high anisotropy and reduced mechanical properties as compared to conventional manufacturing techniques. This happens due to the poor interlaminar bonding between the layers, as a result ... -
CHARACTERIZATION AND ENHANCEMENT OF MECHANICAL PROPERTIES IN THERMOPLASTIC FFF PARTS USING IN-SITU ANNEALING
(2021-08-13)Fused filament fabrication is one of the most common and widely used additive manufacturing techniques. Owing to its ease of use, availability and cheap feedstock it provides a significant advantage over other AM techniques. ... -
Characterization of 3D printed PLA with the help of Mechanical, Di-electric and X-ray Diffraction techniques
(2019-05-17)Additive manufacturing (AM) revolutionized many industries, i.e., Automotive, Biomedical, Aerospace and Defense. As opposed to traditional manufacturing methods, a part is manufactured layer by layer from 3D CAD models in ... -
Characterization of Fatigue Strength of Additively Manufactured Ti-6Al-4V with Recoater Blade Interference Flaws and Residual Stresses Towards an Enhanced Fatigue Substantiation Methodology for Aerospace Structures Applications
(2022-08-17)This research characterized the fatigue strength of additively manufactured (AM) Ti-6Al-4V, through fatigue and static tests conducted using specimens with and without recoater blade interference flaws (RBIF), and thus ... -
Design and Optimization of Additively Manufactured Heat Sink and Heat Spreader for Microelectronics Cooling
(2019-08-08)High performance cooling is a critical requirement for modern microprocessors that generate large amounts of non-uniformly distributed heat. Metal heat spreaders and heat sinks have been traditionally used for thermal ... -
Design Optimization of Race Car Steering Knuckle for Additive Manufacturing
(2017-05-19)Additive manufacturing enables increased geometric complexity in structural configuration compared with conventional manufacturing methods. A Physics-first Computer Aided engineering (CAE) process beginning with structural ... -
Development of an advanced geometry toolkit framework for fitting complex topology-optimized mesh structures
Additive Manufacturing is playing a significant role in developing complex geometries which are not possible by conventional Manufacturing Processes. Topology optimization is playing key a role in deciding conceptual design ... -
EFFECT OF MANUFACTURING-INDUCED DEFECTS AND ORIENTATION ON THE FAILURE AND FRACTURE MECHANISM OF 3D PRINTED STRUCTURES
(2016-12-20)Additive manufacturing is a rapidly growing cutting edge technology. Number of experimental studies have shown that strength of product manufactured by additive Fused Deposition Method (FDM) is influenced by different ... -
ENHANCING MICROSTRUCTURE, COMPOSITION HOMOGENEITY, AND MECHANICAL PROPERTIES IN LASER POWDER BED FUSED METALLIC ALLOYS: DESIGN, FABRICATION, AND EVALUATION
(2023-05-12)**Please note that the full text is embargoed until 05/12/2024** ABSTRACT: Over the past five decades, Nickel-based and Titanium-based alloys have become increasingly popular materials. As the manufacturing industry for ... -
Enhancing Tensile Strength of FDM parts using Thermal Annealing and Uniaxial Pressure
(2019-01-15)Additive manufacturing has been a revolutionary and disruptive technological development in the field of design and manufacturing with Fused deposition modelling (FDM) being at the forefront of this technology. But it is ... -
EVALUATING THE THERMAL PERFORMANCE OF TOPOLOGY OPTIMIZED LOW-COST 3D PRINTED HEAT SINK MADE OF COPPER
(2021-05-09)The performance of a heat sink is highly dependent on the overall surface area available for heat transfer. Designing heat sinks with greater surface areas meant bigger size, weight, and volume of heat-exchanger thus making ... -
Experimental investigation of effect of support structure geometry on the microstructure and metallurgical properties of IN718 parts fabricated by selective laser melting
(2020-08-10)Additive Manufacturing is a modern manufacturing technique that provides extreme design freedom and the ability to manufacture multiple parts with high complexities at the same time. Various fabrication techniques have ... -
HEAT TRANSFER MEASUREMENTS AND ENHANCEMENT FOR MATERIALS AND PROCESSES IN POLYMER EXTRUSION BASED ADDITIVE MANUFACTURING
(2020-05-06)Additive manufacturing (AM) is a burgeoning method for manufacturing over the subtractive manufacturing methodologies. Among the various method of polymer additive manufacturing the fused deposition modeling (FDM) also ... -
Investigation of Additive Manufacturing Using Industrial Robots
(2016-05-10)Conventional additive manufacturing platforms are controlled using G-code, a numerical control language used to define the process parameters and move- ment of the print head. First, a digital model of the desired shape ... -
INVESTIGATION OF THE MICROSTRUCTURAL AND MECHANICAL PROPERTIES OF SELECTIVELY LASER MELTED IN718 OVERHANGS FABRICATED WITHOUT SUPPORT STRUCTURES
(2021-05-07)Additive manufacturing is a new manufacturing technology that allows for extreme design freedom as well as the simultaneous production of many parts with high complexities. IN718 is a high-strength, corrosion-resistant ... -
INVESTIGATION ON MICROSTRUCTURE AND MECHANICAL PROPERTIES OF POROUS STRUCTURES PROCESSED BY LASER POWDER BED FUSION
(2021-05-07)Inconel 718 (i.e., IN718) is a prominent nickel-based, precipitation-hardening superalloy which exhibits exceptionally stable mechanical and corrosion resistant properties, even at temperature range of 650ºC to 700ºC, ...