Transformational Paradigm for Engineering and Engineering Technology Education

Transformational Paradigm for Engineering and Engineering Technology Education

Date: November 2008
Creator: Barbieri, Enrique & Fitzgibbon, William
Description: This paper discusses a transformational paradigm for engineering and engineering technology education at the baccalaureate level.
Contributing Partner: UNT College of Engineering
Direct evidence for the amorphous silicon phase in visible photoluminescent porous silicon

Direct evidence for the amorphous silicon phase in visible photoluminescent porous silicon

Date: August 3, 1992
Creator: Pérez, José M.; Villalobos, J.; McNeill, P.; Prasad, J.; Cheek, R.; Kelber, Jeffry A. et al.
Description: Article on direct evidence for the amorphous silicon phase in visible photoluminescent porous silicon.
Contributing Partner: UNT College of Arts and Sciences
Fracture Toughness Testing of Plastics under Various Environmental Conditions

Fracture Toughness Testing of Plastics under Various Environmental Conditions

Date: December 1997
Creator: Velpuri, Seshagirirao V.
Description: The primary objective of this study is to test the applicability to plastics of a fracture toughness testing tool developed for metals. The intent is to study pre-test conditioning of several plastic materials and the effect of the depth of the razor notch cut in the chevron notched fracture toughness test specimens. The study includes the careful preparation of samples followed by conditioning in various environments. Samples were subjected to laboratory air for a specific duration or to a controlled temperature-humidity condition as per the ASTM D1870. Some of the samples were subjected to vacuum conditioning under standard test specifications. Testing was conducted using the conventional three-point bend test as per ASTM D5045-95. ASTM E1304, which sets a standard for short rod and bar testing of metals and ceramics provides some basis for conducting chevron notched four-point bend tests to duplicate the toughness tool. Correlation of these results with the ASTM test samples is determined. The four-point bend test involves less specimen machining as well as time to perform the fracture toughness tests. This study of fracture toughness testing has potential for quality control as well as the fracture property determination.
Contributing Partner: UNT Libraries
Enhancing the Undergraduate Research Experience in a Senior Design Context

Enhancing the Undergraduate Research Experience in a Senior Design Context

Date: June 2010
Creator: Attarzadeh, Farrokh; Barbieri, Enrique & Ramos, Miguel
Description: This paper discusses enhancing the undergraduate research experience in a senior design context.
Contributing Partner: UNT College of Engineering
The Look of Sound: Acoustic Cancellation in Architecture

The Look of Sound: Acoustic Cancellation in Architecture

Date: April 3, 2008
Creator: McCord, Cameron & Matteson, Samuel E.
Description: This paper discusses research on acoustic cancellation in architecture.
Contributing Partner: UNT Honors College
On B.S.E and B.S.ET for the Engineering Profession

On B.S.E and B.S.ET for the Engineering Profession

Date: 2010
Creator: Barbieri, Enrique; Attarzadeh, Farrokh; Pascali, Raresh; Shireen, Wajiha & Fitzgibbon, William
Description: Article discussing biological systems engineering (B.S.E.) and a proposed model for baccalaureate programs for engineering education.
Contributing Partner: UNT College of Engineering
Evaluation Results of an E and ET Education Forum

Evaluation Results of an E and ET Education Forum

Date: 2011
Creator: Ramos, Miguel; Chapman, Lauren; Cannady, Mac & Barbieri, Enrique
Description: This article discusses evaluation results of an Engineering (E) and Engineering Technology (ET) education forum at the University of Houston. A central focus to these discussions revolved around whether Engineering and Engineering Technology exist as separate fields or whether there was value in thinking about them as part of a continuum.
Contributing Partner: UNT College of Engineering
Laser Cutting Machine: Justification of initial costs

Laser Cutting Machine: Justification of initial costs

Date: May 2001
Creator: Nagaraja, Dwarakish
Description: The Industrial Laser is firmly established in metalcutting as the tool of choice for many applications. The elevator division of Montgomery KONE Inc., in an effort to move towards quality, ontime, complete deliveries and 100% customer satisfaction, decided to invest in new equipment to improve manufacturing processes. A huge investment is proposed for a laser-cutting machine. It is the responsibility of Manufacturing Engineering to direct the management by justifying its benefits, which includes payback time and financial gains. Factors such as common line cutting, automated material handling system and cutting time were involved in justification of the initial cost of a laser-cutting machine. Comparative statistics on appropriate factors accurately determine and justify the initial cost of a laser-cutting machine.
Contributing Partner: UNT Libraries
Development of a coaxiality indicator

Development of a coaxiality indicator

Access: Use of this item is restricted to the UNT Community.
Date: December 1999
Creator: Arendsee, Wayne C.
Description: The geometric dimensioning and tolerancing concept of coaxiality is often required by design engineers for balance of rotating parts and precision mating parts. In current practice, it is difficult for manufacturers to measure coaxiality quickly and inexpensively. This study examines feasibility of a manually-operated, mechanical device combined with formulae to indicate coaxiality of a test specimen. The author designs, fabricates, and tests the system for measuring coaxiality of holes machined in a steel test piece. Gage Repeatability and Reproducibility (gage R&R) and univariate analysis of variance is performed in accordance with Measurement System Analysis published by AIAG. Results indicate significant design flaws exist in the current configuration of the device; observed values vary greatly with operator technique. Suggestions for device improvements conclude the research.
Contributing Partner: UNT Libraries
The North Texan, Volume 49, Number 2, Summer 1999

The North Texan, Volume 49, Number 2, Summer 1999

Date: Summer 1999
Creator: University of North Texas
Description: The North Texan includes articles and notes about University of North Texas students, faculty, and alumni activities.
Contributing Partner: University Relations, Communications & Marketing department for UNT
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