Search results | J. Murrey Atkins Library

Title: Discrete Element Simulations of Powder Spreading in Additive Manufacturing
Author: Amrapurkar, Parth
Date Created: 2020
Subjects--Topical: Mechanical engineering, Engineering, Physics
Description: Powder spreading plays a critical role in the quality of parts produced with selective laser sintering (SLS). Some of the important parameters that influence the quality of the powder bed are the powder particle size and distribution, blade speed,...

Title: ADDITIVE MANUFACTURABLE METASURFACES FOR RF APPLICATION
Author: Hecht, Kristy
Date Created: 2020
Subjects--Topical: Electromagnetism
Description: Materials found in nature exhibit behaviors with certain properties such as mass density, permeability, and permittivity. Unfortunately, there are limitations and restrictions to the behaviors of these materials that can be overcome with the use o...

Title: In Situ Fringe Projection Profilometry for Laser Powder Bed Fusion Process
Author: Zhang, Bin
Date Created: 2017
Subjects--Topical: Mechanical engineering, Optics, Engineering
Description: Additive manufacturing (AM) offers an industrial solution to produce parts with complex geometries and internal structures that conventional manufacturing techniques cannot produce. However, current metal additive process, particularly the laser p...

Title: Computational Studies of the Effect of Moisture on Powder Bed Quality in Metal Additive Manufacturing
Author: Chakraborty, Arghajit
Date Created: 2022
Subjects--Topical: Mechanical engineering
Description: Metal additive manufacturing techniques such as SLM, and DMLS, based on the powder bed fusion (PBF) process, rely on a high-quality powder bed to minimize the formation of defects in the manufactured part. Various parameters like blade velocity, t...

Title: Characterization and In-Process Metrology of a Laser Powder Fusion Additive Manufacturing Machine
Author: Land, William
Date Created: 2015
Subjects--Topical: Mechanical engineering, Meteorology
Description: Laser powder bed fusion is one of the most commonly used processes by which metal parts are produced through an additive manufacturing approach, and it is currently the topic of extensive research. This paper describes the study of two aspects of ...

Title: Terahertz optical properties of metamaterials and optical components fabricated using polymer-based additive manufacturing
Author: Park, Serang
Date Created: 2021
Subjects--Topical: Optics
Description: Continuous advancement in terahertz technologies have drawn interest in manufacturing and rapid prototyping of optical components suitable for the terahertz spectral range. One of the approaches of realizing such optical components is additive man...

Title: Integration of advanced manufacturing in the mechanical design of reflective optics
Author: Horvath, Nicholas
Date Created: 2020
Subjects--Topical: Mechanical engineering, Optics
Description: High-performance freeform optical systems, designed for broad spectral imaging fromthe visible to the far infrared, place new demands on optical design, precision manufacturing,and precision metrology. In this dissertation, four key aspects are ad...

Title: Advanced Metasurface Design and Integration for Electromagnetic Systems
Author: Hecht, Kristy
Date Created: 2023
Subjects--Topical: Electromagnetism
Description: In the realm of metamaterials and electromagnetic engineering, a metasurface is a two-dimensional array of subwavelength-scale structures meticulously engineered to manipulate electromagnetic waves. Unlike conventional bulky optical elements, meta...

Title: Investigation of Gas Metal Arc Welding as a Potential Method for Additive Manufacturing of Magnesium Alloys
Author: Kossack, Christoph
Date Created: 2023
Subjects--Topical: Mechanical engineering
Description: Gas Metal Arc Welding (GMAW) was investigated as a method for the rapid Wire Arc Additive Manufacturing (WAAM) of magnesium alloys. The GMAW deposition process that was tested was not modified with Cold Metal Transfer (CMT) or short-circuit deposi...

Title: Additive manufacturing of PVDF-TrFE piezoelectric and pyroelectric sensors
Author: Marandi, Rafi
Date Created: 2023
Subjects--Topical: Mechanical engineering
Description: Additive manufacturing, specifically Fused Deposition Modeling (FDM) method, has emerged as a promising technique for rapid prototyping. Using FDM, complex geometries can be created using precise layer by layer deposition of material. Among the ad...

Title: Investigation of Thermal and Fluid Flow Characteristics of AM Surfaces with Different Scan Orientations Through CFD and Experiments
Author: Mandloi, Kuldeep
Date Created: 2023
Subjects--Topical: Mechanical engineering
Description: Additive manufacturing (AM), specifically laser powder bed fusion (LPBF), holds considerable significance across diverse industries such as tool and die making, IC manufacturing, medical implants, electronic cooling, and aerospace sectors due to i...