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Articles 331 - 360 of 14584
Full-Text Articles in Engineering
Breakout Session B-2: "Geopolitics", Md Sarder, Sunderesh S. Heragu
Breakout Session B-2: "Geopolitics", Md Sarder, Sunderesh S. Heragu
International Material Handling Research Colloquium
No abstract provided.
Breakout Session B-3: "Layouting", Sadan Kulturel-Konak, Anike Murrenhoff
Breakout Session B-3: "Layouting", Sadan Kulturel-Konak, Anike Murrenhoff
International Material Handling Research Colloquium
No abstract provided.
How Reshoring Impacts Economy And Transportation Logistics – A Us Perspective, Md Sarder
How Reshoring Impacts Economy And Transportation Logistics – A Us Perspective, Md Sarder
International Material Handling Research Colloquium
No abstract provided.
Design Of Puzzle-Based Storage Systems With Unidimensional Cells, Hector J. Carlo, Andres Blanco
Design Of Puzzle-Based Storage Systems With Unidimensional Cells, Hector J. Carlo, Andres Blanco
International Material Handling Research Colloquium
No abstract provided.
Perspectives On Automation For Omnichannel Services And The Need For New Robotic Solutions For Store Fulfillment Operations, Jennifer Pazour, Manmit Padhy, Georg Fischer, Joyjit Bhowmick, Sebastian Köhler, Gideon Arndt, Kai Furmans
Perspectives On Automation For Omnichannel Services And The Need For New Robotic Solutions For Store Fulfillment Operations, Jennifer Pazour, Manmit Padhy, Georg Fischer, Joyjit Bhowmick, Sebastian Köhler, Gideon Arndt, Kai Furmans
International Material Handling Research Colloquium
No abstract provided.
Introducing The Central Backup Cellular Manufacturing System (Cbcms), Salah Elaskarai, Uday Venkatadri
Introducing The Central Backup Cellular Manufacturing System (Cbcms), Salah Elaskarai, Uday Venkatadri
International Material Handling Research Colloquium
No abstract provided.
A Novel Autonomous Vehicle-Based Storage And Retrieval System With Movable Lifts, Banu Yetkin Ekren, Tone Lerher, Boris Jerman
A Novel Autonomous Vehicle-Based Storage And Retrieval System With Movable Lifts, Banu Yetkin Ekren, Tone Lerher, Boris Jerman
International Material Handling Research Colloquium
No abstract provided.
Performance Analysis Of Unequal Area Facility Layout Problem When Superimposed By Load Transport And Empty Flow Networks, Ardavan Asef-Vaziri, Cory Taylor
Performance Analysis Of Unequal Area Facility Layout Problem When Superimposed By Load Transport And Empty Flow Networks, Ardavan Asef-Vaziri, Cory Taylor
International Material Handling Research Colloquium
No abstract provided.
Sorting With Robots: Where To Drop Off The Parcel?, Rene De Koster, Yuerong Chen, Bipan Zou, Yeming Yale Gong
Sorting With Robots: Where To Drop Off The Parcel?, Rene De Koster, Yuerong Chen, Bipan Zou, Yeming Yale Gong
International Material Handling Research Colloquium
No abstract provided.
Modeling Post-Disruption Equilibrium For Circular Supply Chains And New Measures For Resilience, Sangwoo Park, Ilaria Giannoccaro, Layek Abdel-Malek
Modeling Post-Disruption Equilibrium For Circular Supply Chains And New Measures For Resilience, Sangwoo Park, Ilaria Giannoccaro, Layek Abdel-Malek
International Material Handling Research Colloquium
No abstract provided.
Breakout Session A-4: "Digital Continuum In Logistics", René De Koster, David Sourek
Breakout Session A-4: "Digital Continuum In Logistics", René De Koster, David Sourek
International Material Handling Research Colloquium
No abstract provided.
Breakout Session A-1: "Digital Continuum In Logistics", Kai Furmans, Fabio Sgarbossa
Breakout Session A-1: "Digital Continuum In Logistics", Kai Furmans, Fabio Sgarbossa
International Material Handling Research Colloquium
No abstract provided.
Breakout Session A-2: "Digital Continuum In Logistics", Leon F. Mcginnis, Ardavan Asef-Vaziri
Breakout Session A-2: "Digital Continuum In Logistics", Leon F. Mcginnis, Ardavan Asef-Vaziri
International Material Handling Research Colloquium
No abstract provided.
Breakout Session A-3: "Digital Continuum In Logistics", Moritz Roidl, Natalie S. Cherbaka
Breakout Session A-3: "Digital Continuum In Logistics", Moritz Roidl, Natalie S. Cherbaka
International Material Handling Research Colloquium
No abstract provided.
Opening Keynote: "Towards A Digital Continuum", Michael Ten Hompel
Opening Keynote: "Towards A Digital Continuum", Michael Ten Hompel
International Material Handling Research Colloquium
No abstract provided.
Intrinsically Stretchable Three Primary Light-Emitting Films Enabled By Elastomer Blend For Polymer Light-Emitting Diodes, Min Woo Jeong, Jin Hyun Ma, Jae Sung Shin, Jun Su Kim, Guorong Ma, Tae Uk Nam, Xiaodan Gu, Seong Jun Kang, Jin Young Oh
Intrinsically Stretchable Three Primary Light-Emitting Films Enabled By Elastomer Blend For Polymer Light-Emitting Diodes, Min Woo Jeong, Jin Hyun Ma, Jae Sung Shin, Jun Su Kim, Guorong Ma, Tae Uk Nam, Xiaodan Gu, Seong Jun Kang, Jin Young Oh
Faculty Publications
Intrinsically stretchable light-emitting materials are crucial for skin-like wearable displays; however, their color range has been limited to green-like yellow lights owing to the restricted stretchable light-emitting materials (super yellow series materials). To develop skin-like full-color displays, three intrinsically stretchable primary light-emitting materials [red, green, and blue (RGB)] are essential. In this study, we report three highly stretchable primary light-emitting films made from a polymer blend of conventional RGB light-emitting polymers and a nonpolar elastomer. The blend films consist of multidimensional nanodomains of light-emitting polymers that are interconnected in an elastomer matrix for efficient light-emitting under strain. The RGB blend …
International Material Handling Research Colloquium Program, College Industry Council On Material Handling Education
International Material Handling Research Colloquium Program, College Industry Council On Material Handling Education
International Material Handling Research Colloquium
No abstract provided.
Conventional Platinum Metal Implants Provoke Restenosis Responses In Atherogenic But Not Healthy Arteries, Lea M. Morath, Roger J. Guillory Ii, Alexander A. Oliver, Shu Q. Liu, Martin L. Bocks, Galit Katarivas Levy, Jaroslaw Drelich, Jeremy Goldman
Conventional Platinum Metal Implants Provoke Restenosis Responses In Atherogenic But Not Healthy Arteries, Lea M. Morath, Roger J. Guillory Ii, Alexander A. Oliver, Shu Q. Liu, Martin L. Bocks, Galit Katarivas Levy, Jaroslaw Drelich, Jeremy Goldman
Michigan Tech Publications
Platinum-containing stents are commonly used in humans with hypercholesterolemia, whereas preclinical stent evaluation has commonly been performed in healthy animal models, providing inadequate information about stent performance under hypercholesterolemic conditions. In this investigation, we used an ApoE−/− mouse model to test the impact of hypercholesterolemia on neointima formation on platinum-containing implants. We implanted 125 μm diameter platinum wires into the abdominal aortas of ApoE−/− and ApoE+/+ mice for 6 months, followed by histological and immunofluorescence examination of neointimal size and composition. It was found that ApoE−/− mice developed neointimas with four times larger area and ten times greater thickness than …
Measurement Of Thermal Conductivity Of Epoxy Resin Reinforced With Different Weight Ratios Of Glass And Carbon Powders, Edrees Edaan Ghadeer
Measurement Of Thermal Conductivity Of Epoxy Resin Reinforced With Different Weight Ratios Of Glass And Carbon Powders, Edrees Edaan Ghadeer
Al-Bahir Journal for Engineering and Pure Sciences
The effect of thermal conductivity was studied on the composites prepared before and after reinforcement with different weight fractions (10, 20, 30, 40, 50, 60 wt %), using a Disc Lee's device, and the dispersion of the filler was studied by morphological analysis of the complexes using scanning electron microscopy (SEM). The (SEM) of glass composite powders, showed a smooth surface with a chance of forming very few voids, clusters and blisters on the surface of the sample, which increased with the increase of the weight fractions of the filled powder. While the composites filled with carbon powders show smooth …
Additive Manufacturing Of Stretchable Strain Sensors: Fabrication, Optimization And Application, John Nady Shihat Bastawrous
Additive Manufacturing Of Stretchable Strain Sensors: Fabrication, Optimization And Application, John Nady Shihat Bastawrous
Theses and Dissertations
In this project, a novel strain sensor design is fabricated employing different additive manufacturing techniques. The spring sensor's primary material is PLA-Like resin with a nanocomposite encapsulation layer as the functional material. The main principle of Straining the sensors results in a change in resistivity as the distances among the conductive carbon particles change according to the strain applied.
Sensor fabrication consists of two parts: spring manufacturing and development of nanocomposite encapsulation The nanocomposite matrix is developed through the dispersion of Graphene and Carbon nanotubes in Thermoplastic Polyurethane through sonication and magnetic hotplate stirring. While the spring itself is manufactured …
Material Design And Performance Of Carbon Monoxide-Fueled Solid Oxide Fuel Cells: A Review, Wei Zhang, Yun Hang Hu
Material Design And Performance Of Carbon Monoxide-Fueled Solid Oxide Fuel Cells: A Review, Wei Zhang, Yun Hang Hu
Michigan Tech Publications
Solid oxide fuel cells (SOFCs) are electrochemical energy conversion devices with fuel flexibility. Since carbon monoxide (CO) is a major product of SOFC anodes operating with hydrocarbon fuels, direct utilization of CO as a fuel is expected for more efficient operation of SOFCs. A review on CO-fueled SOFC technologies is imperative to promote research activities in this important field, but it has not been published. In this review, we summarize and comment on literatures in this field, with respect to (1) materials developed for three fundamental components (anode, cathode, and electrolyte), (2) power output and stabilization strategies, and (3) critical …
Strategies To Improve The Electrochemical Performance Of Aluminum Anodes In Primary Alkaline Aluminum-Air Batteries, Razieh Kiani Harchegani
Strategies To Improve The Electrochemical Performance Of Aluminum Anodes In Primary Alkaline Aluminum-Air Batteries, Razieh Kiani Harchegani
Electronic Theses and Dissertations
Passivation layers and self-corrosion developed on the Aluminum anodes in alkaline Aluminum-air batteries can significantly reduce the widespread application and capacity density of the batteries. Most corrosion prevention techniques focus on changing the electrode and electrolyte, including electrode alloying, additives for the electrolyte, and nonaqueous electrolytes. This thesis concentrates on some novel approaches like application of ultrasonic waves, as well as cold working to prevent the formation of passivation layers and hydrogen evolution. Furthermore, a conventional strategy of adding different inhibitors, including cerium chloride, a hybrid inhibitor of sodium vanadate and nanoclay is investigated. Experimental analyses were performed using ultrasonication …
Uncovering Transient Dynamics And Equilibrium States Of Particle Aggregates With RaúL BayoáN Cal, RaúL BayoáN Cal
Uncovering Transient Dynamics And Equilibrium States Of Particle Aggregates With RaúL BayoáN Cal, RaúL BayoáN Cal
PDXPLORES Podcast
In this episode of PDXPLORES, Raúl Bayoán Cal, Professor of Mechanical & Materials Engineering at the Maseeh College of Engineering and Computer Science, discusses his latest National Science Foundation award-winning research, Uncovering Transient Dynamics and Equilibrium States of Particle Aggregates in Fluids, investigating transient dynamics of fluid mechanics in the absence of gravity. These experiments, which utilize the Dryden Drop Tower and research facilities aboard the International Space Station, will benefit the study of granular media in aggregation models such as pollen deposition, algae growth, and plastic pollution.
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Fungi In Flux | Designing Regenerative Materials And Products With Mycelium, Arvind Bhallamudi
Fungi In Flux | Designing Regenerative Materials And Products With Mycelium, Arvind Bhallamudi
Masters Theses
As the world grapples with the escalating crisis of climate threats and environmental degradation, this research delves into the synergistic potential of design and biology, developing safe and sustainable materials for applications in prototyping, furniture and interior design. Harnessing the power of a unique organism - fungi, the study proposes an accessible, efficient, and resilient material resource system. It utilizes local waste streams and mycelium (the vegetative part of fungi) to grow functional structures. An experimental and small-scale protocol is modeled by testing bio-fabrication and bio-printing methods. The composites' performance qualities and characteristics are evaluated through mechanical testing and a …
Unveiling Pain: Wearables For Objective Pain Measurement, Hanqing Tang
Unveiling Pain: Wearables For Objective Pain Measurement, Hanqing Tang
Masters Theses
">">Pain perception is a subjective experience that differs significantly among individuals, often leading to inconsistencies in assessment and management. A critical issue within this context is the gender bias in pain evaluation, which contributes to unequal treatment and perpetuates gender inequality within the healthcare system. This thesis presents an in-depth investigation of the problem and proposes the development of a wearable device for objective pain assessment. Physiological parameters — Electrocardiography (ECG) can be collected from cardiac sound signals auscultated by fabrics via nanometre-scale vibrations. Machine learning methods can accurately classify heart rate and acute pain intensity of participants. …
Dissolution Rates Of Borophosphate Glasses In Deionized Water And In Simulated Body Fluid, Parker T. Freudenberger, Rebekah L. Blatt, Richard K. Brow
Dissolution Rates Of Borophosphate Glasses In Deionized Water And In Simulated Body Fluid, Parker T. Freudenberger, Rebekah L. Blatt, Richard K. Brow
Materials Science and Engineering Faculty Research & Creative Works
Particles of Borophosphate Glasses with the Nominal Molar Compositions 16Na2O-(24-Y)CaO-YSrO-XB2O3-(60-X)P2O5 (Mol%), Where 0 ≤ X ≤ 60 and Y = 0, 12, and 24, Were Reacted in Deionized Water and in Simulated Body Fluid (SBF) at 37 °C. for the Dissolution Experiments in Water, the PH of the Solution at the Conclusion of the Experiments Increased Systematically, from 2.1 to 9.5, for Y = 0 Glasses When 'x' Increased from 0 to 60. the Reaction Rates over the First 8–24 H of Dissolution in Both SBF and Deionized Water Followed Linear …
Failure Analysis Of Variably Sized 4340 Steel Mandrels Utilized In The Production Of Seamless Superalloy Rings Through The Vertical Ring Rolling Process, Mikhail Alexeyevich Vasilyev, Joshua Brady Venz
Failure Analysis Of Variably Sized 4340 Steel Mandrels Utilized In The Production Of Seamless Superalloy Rings Through The Vertical Ring Rolling Process, Mikhail Alexeyevich Vasilyev, Joshua Brady Venz
Materials Engineering
Vertical ring rolling is a forging process which forms seamless metal rings through applying a large force at elevated temperatures onto component materials stabilized by cylindrical mandrels. Carlton Forge Works, a company which produces rings of superalloy materials such as INCO718 and 718Plus, is experiencing a consistent failure of mandrels due to extreme conditions. An analysis of the lifetime (bulk material, heat treatment, and use) was performed, which aided in the identification of process variables tied to mandrel failure. Experiments were formed surrounding three variables of the mandrel heat treatment: Austenitization temperature, quenching temperature, and tempering conditions, with the goal …
Investigation Into Oxygen Diffusion As It Relates To Alpha Case Formation In Ti-6al-4v Based On Different Forging Thermal Cycles, Tyler J. Meador, Jon Leduc, Francesca Hope
Investigation Into Oxygen Diffusion As It Relates To Alpha Case Formation In Ti-6al-4v Based On Different Forging Thermal Cycles, Tyler J. Meador, Jon Leduc, Francesca Hope
Materials Engineering
An investigation into the growth kinetics of alpha case in Ti-6Al-4V in the presence of oxygen was conducted for different forging thermal cycles. This was done to determine whether the alpha case should be removed after each thermal cycle or as the final step after forging. The thermal cycles consisted of four hours at 1750 °F. Samples were subjected to this treatment one, two, three, and four times along with a continuous sixteen hour hold. Four cycle and Hold samples were subjected to an additional thermal cycle above the beta transus at 1925 °F. These then went through a final …
Improving The Tensile Mechanical Properties Of Direct Energy Deposited (Ded) Inconel 718 Aircraft Components Using A Standard Heat Treatment, Spencer Vincent Flynn
Improving The Tensile Mechanical Properties Of Direct Energy Deposited (Ded) Inconel 718 Aircraft Components Using A Standard Heat Treatment, Spencer Vincent Flynn
Materials Engineering
This project aimed to improve the mechanical properties of as-printed additively manufactured Inconel 718 samples using a heat treatment usually used for cast and wrought Inconel 718. The mechanical properties sought to be optimized were yield strength, ultimate tensile strength, elongation, and reduction in area. The property goals were to match or exceed those of cast and heat treated Inconel 718. Wire-fed electron beam direct energy deposition (DED) was used to manufacture the samples, which were then heat treated using the AMS 5663 standard in an inert atmosphere. The samples were then tested in tension to obtain data on their …
Effect Of Environmental And Ultraviolet Degradation On The Albedo Of Polyethylene Sheet Materials For Improved Energy Harvesting By Bifacial Photovoltaic Power Plants, William A. Jang, Roxy H. Jackson-Gain
Effect Of Environmental And Ultraviolet Degradation On The Albedo Of Polyethylene Sheet Materials For Improved Energy Harvesting By Bifacial Photovoltaic Power Plants, William A. Jang, Roxy H. Jackson-Gain
Materials Engineering
Solar energy farms typically utilize monofacial photovoltaic (mPV) cells in their arrays to capture direct sunlight to produce renewable energy. However, the efficiency of these farms can be increased by 2 – 6% through the implementation of bifacial photovoltaic cells (bPV). These bPV cells function by capturing incident ultraviolet (UV) light energy that is reflected off the surface to increase its overall energy production. The amount of UV energy that is reflected is dependent on the albedo value of surface, which is a measure of energy reflectance. In this study, samples of unreinforced polyethylene (PE), scrim-reinforced polyethylene (SR-PE), and woven …