Index Catalog // ScholarsArchive@OSU

Optical sensing and metrology for on-machine surface inspection in manufacturing processes

Creator:: Lee, Eddie T.
Abstract:: Optical sensing technologies are pivotal in the manufacturing process, specifically in defect detection, tool condition estimation, and monitoring. The research aims to enhance the accuracy, efficiency, and reliability of manufacturing metrology by employing optical sensing technologies, such as laser profilometers and image processing techniques. The dissertation proposes intelligent and flexible...
Resource Type:: Dissertation
Full Text:: Taewan Lee for the degree of Doctor of Philosophy in Mechanical Engineering presented on September 5

Two-stage flexible flow shop scheduling with blocking constraint and batching machines

Creator:: Panahi, Hadi
Abstract:: In this dissertation, a two stage flexible flow shop scheduling problem is studied, where in stage 1, there are identical batch processors (burnout ovens) and in stage 2, there are identical discrete processors (furnaces). Batch processors perform a pre-heating process on a batch of jobs at a time and discrete...
Resource Type:: Dissertation
Full Text:: scheduling problem is studied by Lee & Vairaktarakis (1994). They developed a heuristic algorithm with the

The effect of feedstock composition on defect evolution in powder injection molded ceramic microarrays using simulations and experiments

Creator:: Laddha, Sachin
Abstract:: Micro Powder injection molding (μPIM) is a cost-effective technique for producing small, complex, precision parts in high volumes from ceramic and metal nanoparticles. This study focuses on research conducted on fabrication of Micro Ceramic Arrays (MCAs) parts using μPIM. MCAs are widely used as the major components and design features...
Resource Type:: Masters Thesis
Full Text:: to thank, - Dr. Sundar Atre for his kind guidance throughout the project. - Dr. Shiwoo Lee for

Selective laser melting of 304L stainless steel: Role of volumetric energy density on the microstructure, texture and mechanical properties

Creator:: Ghayoor, Milad, Lee, Kijoon, He, Yujuan, Chang, Chih-hung, Paul, Brian K., and Pasebani, Somayeh
Abstract:: The role of volumetric energy density on the microstructural evolution, texture and mechanical properties of 304L stainless steel parts additively manufactured via selective laser melting process is investigated. 304L is chosen because it is a potential candidate to be used as a matrix in a metal matrix composite with nanoparticles...
Resource Type:: Article

An Information Modeling Framework for Support of Sustainable Manufacturing System Design Decision Making

Creator:: Shankar Raman, Arvind
Abstract:: Manufacturing technology has continuously evolved and advanced over the past century; this has led to an increase in the production of consumer and industrial goods driven by simultaneous growth in population and wealth. Despite the resulting economic and labor growth, environmental impacts of manufacturing have increased dramatically due to the...
Resource Type:: Dissertation

Robotic Actuation and Control with Programmable, Field-Activated Material Systems

Creator:: Bira, Nicholas P.
Abstract:: This dissertation presents novel, field-activated smart material systems for the actuation and control of autonomous robots. Smart materials, a type of material whose properties can be changed with an external stimuli, represent a promising direction to expand upon existing robotic control and actuation methods, particularly in the sub-fields of soft...
Resource Type:: Dissertation

Exploring the factors that drive organizational resilience : lessons from healthcare

Creator:: Darrow, Lucia
Abstract:: In the face of a disruptive event or prolonged period of stress, resilient performance ischaracterized by preventative measures, effective response, and the integration of lessonslearned. In healthcare, resilience significantly affects patient safety. However, currentguidelines for healthcare performance assessment, such as the Triple Aim, do notconsider physician satisfaction and preventative measures...
Resource Type:: Masters Thesis
Full Text:: organizations will impact community resilience on a regional, national, and global level (Drabek, 2005; Lee

Characterization of Heterostructured Nanocrystalline Metals Processed by High-Pressure Torsion

Creator:: Han, Jae-Kyung
Abstract:: High-pressure torsion (HPT) is an effective severe plastic deformation (SPD) technique to produce bulk nanostructured materials (BNMs). These BNMs often show a combination of exceptional mechanical and physical properties. Processing of single metals and alloys by HPT has been understood that the homogenous microstructures can be achieved throughout the disk...
Resource Type:: Dissertation
Full Text:: nanoindentation experiments. Ms. Xiaojing Liu and Mr. Isshu Lee have helped in data analysis. Prof. Stanislav

Quasicrystal Formation, Structure and Indentation Behaviors in Pure Tantalum

Creator:: Wang, Zhengming
Abstract:: Spontaneous quasicrystal (QC) formation has not been observed in pure metals either in computation or in experiments (excluding epitaxial growth of thin atomic layers on a QC template). In this thesis work, dodecagonal QC (DDQC) grains are first discovered to spontaneously form during thermal devitrification of pure tantalum (Ta) metallic...
Resource Type:: Masters Thesis

Potential Additive-Manufacturing of Ablative Thermal Protection Systems

Creator:: Hazell, Kenya K.
Abstract:: Electrodeposition is a versatile polymer deposition technique to create nano-microscale materials using an electrical field generated from a charged droplet of solution and a grounded collector. Electrospinning or electrospraying can occur during electrodeposition, leading to the creation of nanofibers or bead-like materials depending on the process parameters. Photopolymerization of the...
Resource Type:: Dissertation
Full Text:: the bending region, and later studied by Lee and Sallam, who 12 concluded that a

ScholarsArchive@OSU

Optical sensing and metrology for on-machine surface inspection in manufacturing processes

Two-stage flexible flow shop scheduling with blocking constraint and batching machines

The effect of feedstock composition on defect evolution in powder injection molded ceramic microarrays using simulations and experiments

Selective laser melting of 304L stainless steel: Role of volumetric energy density on the microstructure, texture and mechanical properties

An Information Modeling Framework for Support of Sustainable Manufacturing System Design Decision Making

Robotic Actuation and Control with Programmable, Field-Activated Material Systems

Exploring the factors that drive organizational resilience : lessons from healthcare

Characterization of Heterostructured Nanocrystalline Metals Processed by High-Pressure Torsion

Quasicrystal Formation, Structure and Indentation Behaviors in Pure Tantalum

Potential Additive-Manufacturing of Ablative Thermal Protection Systems

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