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A Comparative Study Of Strength And Stiffness Of Thin-Walled Specimens Fabricated By Fdm And 3d Printing Technologies, Miranda Rodrigo 2012 Brigham Young University - Provo

A Comparative Study Of Strength And Stiffness Of Thin-Walled Specimens Fabricated By Fdm And 3d Printing Technologies, Miranda Rodrigo

Theses and Dissertations

Rapid Prototyped part failure constitutes a major issue for both RP providers and customers. When parts fail the reputation of the vendor is heavily deteriorated, customer dissatisfaction increase and replacement of the broken parts is often necessary to avoid the loss of future business. Product design teams often run into situations where Rapid Prototyped parts are not able to withstand shipping and handling and delivered broken or while demonstrating and examining the parts. When done in the face of customers this builds a perception of poor quality and lack of aptitude on the design group as well as the RP ...


Antibacterial Activity Against Beta- Lactamase Producing Methicillin And Ampicillin-Resistants Staphylococcus Aureus: Fractional Inhibitory Concentration Index (Fici) Determination, Kiessoun K ONATE, Jacques François Mavoungou, Alexis Nicaise Lepengué, Raïssa RR Aworet-Samseny, Adama Hilou, Mamoudou H. DICKO Prof., Bertrand M’Batchi 2012 Laboratoire de Physiologie Animale, Electrophysiologie et de Pharmacologie, Faculté des Sciences, Université des Sciences et Techniques de Masuku, Franceville, Gabon

Antibacterial Activity Against Beta- Lactamase Producing Methicillin And Ampicillin-Resistants Staphylococcus Aureus: Fractional Inhibitory Concentration Index (Fici) Determination, Kiessoun K Onate, Jacques François Mavoungou, Alexis Nicaise Lepengué, Raïssa Rr Aworet-Samseny, Adama Hilou, Mamoudou H. Dicko Prof., Bertrand M’Batchi

Pr. Mamoudou H. DICKO, PhD

The present study reports the antibacterial capacity of alkaloid compounds in combination with Methicillin and Ampicillin-resistants bacteria isolated from clinical samples. The resistance of different bacteria strains to the current antibacterial agents, their toxicity and the cost of the treatment have led to the development of natural products against the bacteria resistant infections when applied in combination with conventional antimicrobial drugs. The antibacterial assays in this study were performed by using inhibition zone diameters, MIC, MBC methods, the time-kill assay and the Fractional Inhibitory Concentration Index (FICI) determination. On the whole, fifteen Gram-positive bacterial strains (MRSA/ARSA) were used. Negative ...


Proceedings Of International Conference On Mechanical & Industrial Engineering, Prof.Srikanta Patnaik Mentor 2012 IRNet India

Proceedings Of International Conference On Mechanical & Industrial Engineering, Prof.Srikanta Patnaik Mentor

Conference Proceedings - Full Volumes

In the Race of Scientific Civilization and Engineering Development Mechanical Engineering appears to be the oldest and broadest discipline. Till date it has accomplished many efficient mechanical systems using advanced practices of material science and Structural Analysis. As a matured academic discipline it has become an integrated component of Industrial Revolution. It has surpassed an odyssey of two centuries since its emergency in Europe. The basic philosophy although integrates two highlighting disciplines like Physics and Material Sciences but over the years it has developed its linkage with other domains like Composites, Mechatronics and Nanotechnology. Today’s Mechanical Engineers uses the ...


Design, Construction, And Evaluation Of An Automated Chicken Coop Door, Kyle Inks 2012 California Polytechnic State University, San Luis Obispo

Design, Construction, And Evaluation Of An Automated Chicken Coop Door, Kyle Inks

BioResource and Agricultural Engineering

This senior project takes a look into the design, construction, and evaluation of an automated chicken coop door. The idea and need for such a door came from my mother Jan Inks. The parameters for the project include, low production cost, easy installation on existing coops, sleek design, automatically open at a set time in the morning, and automatically close at a set time in the evening.


Formula Hybrid Drivetrain Design, Zachary (Zak) McFarland, Alex Pruitt, William Domhart 2012 California Polytechnic State University - San Luis Obispo

Formula Hybrid Drivetrain Design, Zachary (Zak) Mcfarland, Alex Pruitt, William Domhart

Mechanical Engineering

The Formula Hybrid senior project group was tasked with designing and building a drivetrain system for the Cal Poly Society of Automotive Engineers (SAE) Formula Hybrid (FHSAE) team. FHSAE gave customer requirements for performance and geometry for the drivetrain and the FHSAE rulebook has guidelines regarding safety requirements. The team chose to compete in the electric category of the 2012 FHSAE competition. After getting feedback from previous car performance and researching different powertrain options, the senior project team arrived at three conceptual ideas. Using a quality function deployment method, the senior project team chose the concept where two motors independently ...


Recreational Nordic Sit Ski, Mathew Bissonnette, Johnathon Gorski, Kevin Izumiya 2012 California Polytechnic State University - San Luis Obispo

Recreational Nordic Sit Ski, Mathew Bissonnette, Johnathon Gorski, Kevin Izumiya

Mechanical Engineering

The purpose of this project was to design, build, and test a recreational Nordic sit ski for use by Disabled Sports Eastern Sierra. The goal was to improve adjustability and reduce weight compared to previous sit ski designs. The project was completed by Cal Poly Mechanical Engineering seniors Mathew Bissonnette, Johnathon Gorski, and Kevin Izumiya. Kinesiology seniors Harpreet Saini and Carl Anderson provided discipline support and disability etiquette training.

The project was sponsored by the National Science Foundation Research to Aid Persons with Disabilities (RAPD) grant. The grant was proposed by and awarded to Dr. Brian Self and Dr. James ...


Design Of An Independent Star-Clip Organizer (Iso), Christopher Gonzales, Greg Lovasik, Daniel Silveira 2012 California Polytechnic State University - San Luis Obispo

Design Of An Independent Star-Clip Organizer (Iso), Christopher Gonzales, Greg Lovasik, Daniel Silveira

Mechanical Engineering

Discussed below is a new concept to sort and deliver star clips for flight deck safety net manufacturing. Multiple methods were generated, along with the necessary research, and were narrowed down to a single concept: the tray-loading preprocess design, named ISO (Independent Star-Clip Organizer). The overall design has been finalized and designed. Due to budget constraints, an actual prototype was not built. However, the design of such a prototype is described by this report, backed with calculations and experimental testing.


Fabrication Of Aluminum Composites With Patterned Silicon Carbide Reinforcement Architecture By Semi-Solid Processing, Can Zhu, Yufeng Wu, Gap-Yong Kim 2012 Iowa State University

Fabrication Of Aluminum Composites With Patterned Silicon Carbide Reinforcement Architecture By Semi-Solid Processing, Can Zhu, Yufeng Wu, Gap-Yong Kim

Mechanical Engineering Conference Presentations, Papers, and Proceedings

Semi-solid powder processing is a promising technology, combining the advantages of semi-solid forming and powder metallurgy. In this study, spray deposition process combined with semi-solid powder processing was used to synthesize an aluminum alloy composite and to control its microstructure. Silicon carbide (SiC) reinforced aluminum alloy composites were fabricated with and without microstructure pattern. The influence of different composite microstructure on mechanical properties was analyzed by microstructure analysis, bend test and fracture analysis. Bend test results showed that patterned microstructure has the potential to significantly improve composite strength with minimal sacrifice of ductility.


The Hovering Ball Exhibit, Matthew Bauzon, Will Lennox, Michelle Swan 2012 California Polytechnic State University - San Luis Obispo

The Hovering Ball Exhibit, Matthew Bauzon, Will Lennox, Michelle Swan

Mechanical Engineering

No abstract provided.


Human Powered Helicopter: Rotor Structure, Joseph Ram, Juan Carlos Olvera 2012 California Polytechnic State University - San Luis Obispo

Human Powered Helicopter: Rotor Structure, Joseph Ram, Juan Carlos Olvera

Mechanical Engineering

The following report encompasses the Human Powered Helicopter Rotor Team’s conceptual models and ideas based on research and modeling analysis. The following gives an overview of material researched, concept generation, analyzation, manufacturing, and testing for a rotor structure to be installed in a Human Powered Helicopter.


Advanced Design Optimization For Composite Structure: Stress Reduction, Weight Decrease And Manufacturing Cost Savings, Shayan Ahmadian 2012 University of Connecticut

Advanced Design Optimization For Composite Structure: Stress Reduction, Weight Decrease And Manufacturing Cost Savings, Shayan Ahmadian

Master's Theses

An injection moldable chopped fiber composite actuator with detailed drawing and tolerances was designed within one year. A vendor was selected and a quote for injection molding tooling cost for production was obtained and the first prototype was built in addition of six months. The risks are identified and material characterization tests are proposed.

The objective of this project was redesigning an aluminum made actuator with a continuous fiber composite for weight saving purposes. After searching the literature and consulting with experts in the field it was concluded that manufacturing costs associated with continuous fiber composite are 3 times as ...


Study Of Grinding Burn Using Design Of Experiments Approach And Advanced Kaizen Methodology, Kiruthika Devi Sundarrajan 2012 University of Nebraska – Lincoln

Study Of Grinding Burn Using Design Of Experiments Approach And Advanced Kaizen Methodology, Kiruthika Devi Sundarrajan

Industrial and Management Systems Engineering -- Dissertations and Student Research

Grinding burn has been one of the re-occurring issues at a leading automotive manufacturer. Historically when grinding burn occurred, trial and error was used to delicately find a set up process settings that provided good-enough-to-get-by results, but not optimal. Some changes include changing the coolant manifold to improve the coolant flow and rate, changing the grinding wheel, changing the type of coolant. The experiments have proved to introduce some improvements, however the occurrence of grinding burns have not been reduced or quantified and the cause of the grinding burn has not been identified or quantified. Grinding is a complex phenomenon ...


Using Industry To Drive Continuous Improvement In Capstone Design, Leslie Potter 2012 Iowa State University

Using Industry To Drive Continuous Improvement In Capstone Design, Leslie Potter

Industrial and Manufacturing Systems Engineering Conference Proceedings and Posters

Iowa State University’s Industrial and Manufacturing Systems Engineering (IMSE) Department has been teaching and practicing continuous improvement for many years. Since 2003, a formal process for curriculum assessment related to ABET outcome items [a-k] and departmental outcome items [l-p] has been in place. This process has provided structure for obtaining, documenting, and using feedback from stakeholders, including students, alumni, faculty, and industry. Quantitative feedback is received through stakeholder surveys and outcome item assessment. Qualitative feedback is received from capstone design industry partners, alumni working in industry, and the IMSE Industrial Advisory Board. The IMSE capstone design course (IE441) has ...


Improving Manufacturing Processes Through Energy Monitoring, Andrew Grzelak 2012 Purdue University

Improving Manufacturing Processes Through Energy Monitoring, Andrew Grzelak

Purdue Polytechnic Masters Theses

Energy efficiency and sustainability are very popular topics in the current field of manufacturing. With the increase in use of automation technology as well as the recent growth in the area of energy management, there is much focus on the overall improvement of manufacturing processes. For this research a project was completed to create a system that could improve both process efficiency as well as decrease energy consumption. By taking a look at the machine level energy consumption of an automated piece of manufacturing equipment, by eliminating waste in process, both energy efficiency and operational efficiency can be improved.

Using ...


Integrating Courses Through Project Based Learning, Lizabeth Schlemer, Sema E. Alptekin, Karen R. Bangs 2012 California Polytechnic State University - San Luis Obispo

Integrating Courses Through Project Based Learning, Lizabeth Schlemer, Sema E. Alptekin, Karen R. Bangs

Industrial and Manufacturing Engineering

Integrating three courses (one sophomore level, two senior level) through Project Based Learning (PBL) within the Industrial Engineering curriculum at the California Polytechnic State University, San Luis Obispo is presented. Three courses (IME 443 Facilities Planning and Design - senior level; IME 420 Simulation - senior level; and IME 223 Process Improvement Fundamentals - sophomore level) were linked by various mechanisms: Common industry projects, common students in two of the three courses; senior students having access to sophomores in their teams to carry out time consuming tasks such as time studies, and sophomores having access to seniors as team members, and as coaches ...


Reviving The U.S. Rail And Transit Industry: Investments And Job Creation, Joan Fitzgerald, Lisa Granquist, Ishwar Khatiwada, Joe McLaughlin, Michael Renner, Andrew Sum 2012 Northeastern University

Reviving The U.S. Rail And Transit Industry: Investments And Job Creation, Joan Fitzgerald, Lisa Granquist, Ishwar Khatiwada, Joe Mclaughlin, Michael Renner, Andrew Sum

Joe McLaughlin

No abstract provided.


Reviving The U.S. Rail And Transit Industry: Investments And Job Creation, Joan Fitzgerald, Lisa Granquist, Ishwar Khatiwada, Joe McLaughlin, Michael Renner, Andrew Sum 2012 Northeastern University

Reviving The U.S. Rail And Transit Industry: Investments And Job Creation, Joan Fitzgerald, Lisa Granquist, Ishwar Khatiwada, Joe Mclaughlin, Michael Renner, Andrew Sum

Ishwar Khatiwada

No abstract provided.


Reviving The U.S. Rail And Transit Industry: Investments And Job Creation, Joan Fitzgerald, Lisa Granquist, Ishwar Khatiwada, Joe McLaughlin, Michael Renner, Andrew Sum 2012 Northeastern University

Reviving The U.S. Rail And Transit Industry: Investments And Job Creation, Joan Fitzgerald, Lisa Granquist, Ishwar Khatiwada, Joe Mclaughlin, Michael Renner, Andrew Sum

Andrew Sum

No abstract provided.


Reviving The U.S. Rail And Transit Industry: Investments And Job Creation, Joan Fitzgerald, Lisa Granquist, Ishwar Khatiwada, Joe McLaughlin, Michael Renner, Andrew Sum 2012 Northeastern University

Reviving The U.S. Rail And Transit Industry: Investments And Job Creation, Joan Fitzgerald, Lisa Granquist, Ishwar Khatiwada, Joe Mclaughlin, Michael Renner, Andrew Sum

Joan Fitzgerald

No abstract provided.


Acoustic Emission Detection Of Metals And Alloys During Machining Operations, Jameson K. Nelson 2012 Purdue University

Acoustic Emission Detection Of Metals And Alloys During Machining Operations, Jameson K. Nelson

Purdue Polytechnic Masters Theses

Nelson, Jameson K. M.S., Purdue University, May 2012. Acoustic Emission Detection of Metals and Alloys During Machining Operations. Major Professor: Rodney G. Handy.

Practical correlation between material deformation attributes and theoretical concepts of machining has proven difficult to attain. The purpose of this study was to further explore trends and relationships using acoustic emission detection of materials undergoing single-point lathe turning machine processes. The majority of machining experiments that incorporate acoustic emissions focuses on tool degradation for the purposes of optimizing consumables required to manufacture mechanical devices. Experiments were implemented varying recording location, mechanical barrier condition, and machine parameters ...


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