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California Polytechnic State University, San Luis Obispo

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Articles 481 - 510 of 585

Full-Text Articles in Materials Science and Engineering

The Theory Of Planned Behavior As A Model Of Academic Dishonesty In Engineering And Humanities Undergraduates, Trevor S. Harding, Mathew J. Mayhew, Cynthia J. Finelli, Donald D. Carpenter Sep 2007

The Theory Of Planned Behavior As A Model Of Academic Dishonesty In Engineering And Humanities Undergraduates, Trevor S. Harding, Mathew J. Mayhew, Cynthia J. Finelli, Donald D. Carpenter

Materials Engineering

This study examines the use of a modified form of the Theory of Planned Behavior in understanding the decisions of undergraduate students in engineering and humanities to engage in cheating. We surveyed 527 randomly selected students from three academic institutions. Results supported the use of the model in predicting ethical decision-making regarding cheating. In particular, the model demonstrated how certain variables (gender, discipline, high school cheating, education level, international student status, participation in Greek organizations or other clubs) and moral constructs related to intention to cheat, attitudes toward cheating, perceptions of norms with respect to cheating, and ultimately, cheating behaviors. …

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Collaborative Design Of Project-Based Learning Courses: How To Implement A Mode Of Learning That Effectively Builds Skills For The Global Engineer, Richard N. Savage, Jonathan Stolk, Linda Vanasupa Jun 2007

Collaborative Design Of Project-Based Learning Courses: How To Implement A Mode Of Learning That Effectively Builds Skills For The Global Engineer, Richard N. Savage, Jonathan Stolk, Linda Vanasupa

Materials Engineering

Success for tomorrow’s engineers necessitates the design of curricula that promote awareness of the broader impacts of engineering, enhances systems thinking, reflects sustainable engineering practices, and helps prepare students to make an impact in the global community. Project-based learning approaches that emphasize student learning rather than instructor teaching may be a key to successful development of “global engineers.” Evaluations of project-based courses show increases in student motivation, problem-solving ability, communication and teaming skills, knowledge retention, and capacity for self-directed learning. Despite these reported benefits, curriculum-wide implementations of project-based learning are rare, probably partly due to the traditional emphasis on technical …

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A Systemic Model Of Development: Strategically Enhancing Students' Cognitive, Psychomotor, Affective And Social Development, Linda Vanasupa, Jonathan Stolk, Trevor S. Harding, Richard N. Savage Jun 2007

A Systemic Model Of Development: Strategically Enhancing Students' Cognitive, Psychomotor, Affective And Social Development, Linda Vanasupa, Jonathan Stolk, Trevor S. Harding, Richard N. Savage

Materials Engineering

The challenges of the 21st century create an imperative for engineering educators: to design learning experiences that result in engineering professionals with a sophisticated level of cognitive, psychomotor, social and affective development. We propose a tool for the design process. Our systemic model of development (SMD) is based on a large body of learning theory and empirical data. It maps the relationships among the major factors that influence learning in the form of a causal loop diagram. To demonstrate the value of the SMD, we compared the motivational profiles of a test group (36 students) who took an engineering course …

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Academic Integrity Among Engineering Undergraduates: Seven Years Of Research By The E3 Team, Cynthia J. Finelli, Trevor S. Harding, Donald D. Carpenter Jun 2007

Academic Integrity Among Engineering Undergraduates: Seven Years Of Research By The E3 Team, Cynthia J. Finelli, Trevor S. Harding, Donald D. Carpenter

Materials Engineering

The E3 Team (Exploring Ethical decision-making in Engineering) is a group of engineering educators and educational researchers who have worked collaboratively since 2000 to understand the underlying causes of academic dishonesty in engineering undergraduate populations. The team was especially motivated by decades of others’ work showing that, when surveyed, engineering students were among those most likely to report frequently cheating. This paper summarizes some of the team’s more important findings from three major studies that surveyed a total of 1300 engineering and humanities undergraduates at eleven institutions. The paper also describes the next phase of the team’s research and …

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Exciting Students About Materials Science And Engineering: A Project-Based, Service-Learning Museum Design Course, Katherine C. Chen Jun 2007

Exciting Students About Materials Science And Engineering: A Project-Based, Service-Learning Museum Design Course, Katherine C. Chen

Materials Engineering

A new course was developed for Materials Engineering students to design, create, and install interactive, educational displays on Materials Science & Engineering for a science museum at a local K-6 charter school. The course grew out of an ASM Foundation grant “to excite young people in materials, science, and engineering careers,” and the challenge was put forth to Cal Poly students. A formal design sequence was applied to give the students the opportunity to learn about the design process, project management, and teamwork. User profiles were created for the stakeholders, and project values were established. The class partnered with the …

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A Design Methodology For Empowering Project-Based Learning, Richard N. Savage Jun 2007

A Design Methodology For Empowering Project-Based Learning, Richard N. Savage

Materials Engineering

One of our primary objectives is to equip undergraduate engineering students to be successful global engineers, ready to face the challenges of the 21st century. Students need to develop self-directed learning skills, systems level thinking, the ability to integrate principles of sustainability into design solutions and recognize that they serve a global community. Project-based learning (PBL) has been identified as an effective process for developing these skills; however, to be effective, project-based learning activities require a clearly articulated design methodology. Engineering students must learn to recognize the similarities and differences between the scientific and design methods. Both can be looked …

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The Mechanical And Thick Section Bending Behavior Of Friction Stir Processed Aluminum Plate, D. Hilbert, C. Fuller, M. Mahoney, B. London May 2007

The Mechanical And Thick Section Bending Behavior Of Friction Stir Processed Aluminum Plate, D. Hilbert, C. Fuller, M. Mahoney, B. London

Materials Engineering

Friction stir processing (FSP) 2519-T87 aluminum plate results in enhanced ductility, 25% strain at fracture. However, the yield strength in the FSP zone drops to 175 MPa from ~400 MPa. Actively cooling the plate during FSP increases the yield strength to 185 MPa and decreases ductility to 20% strain at fracture. Thick bending of a plate of the alloy was demonstrated after the surface was subjected to FSP.

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Integrating Project-Based Learning Throughout The Undergraduate Engineering Curriculum, Richard N. Savage, Katherine C. Chen, Linda Vanasupa Jan 2007

Integrating Project-Based Learning Throughout The Undergraduate Engineering Curriculum, Richard N. Savage, Katherine C. Chen, Linda Vanasupa

Materials Engineering

Equipping engineering students with the skills and knowledge required to be successful global engineers in the 21st century is one of the primary objectives of undergraduate educators. Enabling students to practice self-directed learning, to find solutions to design problems that are sustainable and to recognize that they are part of a global community are just of few of our educational goals. Self-directed learning can define an individual’s ability to practice life-long learning. It places the responsibility on the individual to initiate and direct the learning process and can enable an individual to adapt to change. Project-based learning provides the contextual …

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Use Of Friction Stir Processing And Friction Stir Welding For Nitinol Medical Devices, Blair London, Murray Mahoney, Alan Pelton Dec 2006

Use Of Friction Stir Processing And Friction Stir Welding For Nitinol Medical Devices, Blair London, Murray Mahoney, Alan Pelton

Materials Engineering

Metallic materials may be joined utilizing a friction stir processing technique. The friction stir processing technique utilizes a shaped, rotating tool to move material from one side of the joint to be welded to the other without liquefying the base material.

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Work In Progress: Crossing The Engineering Border Into Art And Society With A Materials Selection For The Life Cycle Course, Katherine C. Chen, Blair London Oct 2006

Work In Progress: Crossing The Engineering Border Into Art And Society With A Materials Selection For The Life Cycle Course, Katherine C. Chen, Blair London

Materials Engineering

A new course in materials engineering has been developed to incorporate industrial design and sustainability principles. Many current engineering tasks require the ability to comprehend and consider the complicated interplay of technology with the environment and society. Thus the changing skill set required of future engineers is being reflected in the changes with our courses. We are stepping beyond the traditional boundaries of engineering courses to present a more holistic approach to problem solving. The use of materials and processing techniques is applied to product design, and thus involves consideration of the end user and the end of product life. …

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Work In Progress: The Five Basic “Positions” Of Engineering, Blair London, Lisa Deyo Oct 2006

Work In Progress: The Five Basic “Positions” Of Engineering, Blair London, Lisa Deyo

Materials Engineering

Classical ballet technique relies on mastery of the five basic positions of the feet. Every movement in classical ballet goes through one or more of these positions. The positions are practiced in class, used in choreography, and become second nature in performance on stage. Engineering may have a similar context. These engineering “positions” are not just the foundational coursework leading up to an engineering degree such as mathematics, chemistry, or physics. Rather, the positions are aspects of engineering that a practicing engineer routinely does to successfully perform as engineers. The engineering positions discussed are: question, analyze, team, write, and speak. …

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Factors Influencing Engineering Students' Decisions To Cheat By Type Of Assessment, Honor J. Passow, Mathew J. Mayhew, Cynthia J. Finelli, Trevor S. Harding, Donald D. Carpenter Sep 2006

Factors Influencing Engineering Students' Decisions To Cheat By Type Of Assessment, Honor J. Passow, Mathew J. Mayhew, Cynthia J. Finelli, Trevor S. Harding, Donald D. Carpenter

Materials Engineering

Academic dishonesty (cheating) has been prevalent on college campuses for decades, and the percentage of students reporting cheating varies by college major. This study, based on a survey of 643 undergraduate engineering majors at 11 institutions, used two parallel hierarchical multiple regression analyses to predict the frequency of cheating on exams and the frequency of cheating on homework based on eight blocks of independent variables: demographics, pre-college cheating behavior, co-curricular participation, plus five blocks organized around Ajzen's Theory of Planned Behavior (moral obligation not to cheat, attitudes about cheating, evaluation of the costs and benefits of cheating, perceived social pressures …

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Engineering Students' Perceptions Of And Attitudes Towards Cheating, Donald D. Carpenter, Trevor S. Harding, Cynthia J. Finelli, Susan M. Montgomery, Honor J. Passow Jul 2006

Engineering Students' Perceptions Of And Attitudes Towards Cheating, Donald D. Carpenter, Trevor S. Harding, Cynthia J. Finelli, Susan M. Montgomery, Honor J. Passow

Materials Engineering

Academic dishonesty has become a serious problem at institutions of higher learning. This is particularly true in engineering where, according to previous research, engineering undergraduates are among the most likely to cheat in college. To investigate this concern, the authors embarked on a research project whose goal was to develop a better understanding of what students and faculty perceive as cheating and to use this knowledge to help instructors and institutions increase the level of academic integrity among students. The primary instrument for this project was a seven-page survey that was administered to 643 engineering and pre-engineering undergraduates at eleven …

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Curricula To Educate The 2020 Mse Engineering Professional: Simple But Powerful Changes In The Way That Mse Is Taught, Linda Vanasupa, Blair London, Katherine C. Chen, Richard Savage Jun 2006

Curricula To Educate The 2020 Mse Engineering Professional: Simple But Powerful Changes In The Way That Mse Is Taught, Linda Vanasupa, Blair London, Katherine C. Chen, Richard Savage

Materials Engineering

National leaders in science and technology sectors speak in unison as they call for engineers who are not only technically competent in their fields, but who possess the abilities to communicate well, to work on teams, to apply systems thinking, to operate in the global business environment, to design within a greater set of constraints (environmental, health and safety, sustainability, economic, societal, political, manufacturability, and ethical). In short, our challenge is to educate an engineering professional who is far more sophisticated than the engineer of the 20th century. Additionally, challenges brought on by the overuse of natural resources put …

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Laying The Foundation For Nanoscience And Nanotechnology With An Introductory Module For High School Students, Maynard Valerie, Hsu Mathew, Katherine C. Chen, R. H. Chang Jun 2006

Laying The Foundation For Nanoscience And Nanotechnology With An Introductory Module For High School Students, Maynard Valerie, Hsu Mathew, Katherine C. Chen, R. H. Chang

Materials Engineering

In response to the need to create a skilled workforce in nanotechnology and to excite young students with the wonders and potentials of science, the National Center for Learning and Teaching in Nanoscale Science and Engineering, is developing educational materials for grades 7 – 16. Learning theory and cutting-edge research are used in the development of modules on nanoscience and nanotechnology. This paper describes the rationale for such materials and describes an introductory module in which students are lead through a series of inquiry-based and hands-on activities, which lead to a design project. Its goal is to teach an underlying …

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The Role Of Industry In Supporting Education In Environmentally Responsible Engineering, Andrew Borchers, David Rinard, Trevor S. Harding, Terri Lynch-Caris Jun 2006

The Role Of Industry In Supporting Education In Environmentally Responsible Engineering, Andrew Borchers, David Rinard, Trevor S. Harding, Terri Lynch-Caris

Materials Engineering

Achievement of a sustainable future implies a collaborative effort between a variety of stakeholders including industry, government, and academia. We are traveling in unfamiliar waters where the course is not always clear and the goals are sometimes daunting. To develop the environmental wisdom we need to help us know the “right answers,” we must bring together the knowledge we get from our academic pursuits with the experience we obtain through trial and error. Bringing together the academic world and the business world not only helps us solve the immediate engineering need, it more importantly builds a partnership that will produce …

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Infusing The Materials Engineering Curriculum With Sustainability Principles, Katherine C. Chen, Linda Vanasupa, Blair London, Richard N. Savage Jun 2006

Infusing The Materials Engineering Curriculum With Sustainability Principles, Katherine C. Chen, Linda Vanasupa, Blair London, Richard N. Savage

Materials Engineering

In order to better prepare our students for the complex, global world outside the confines of the university, we have been making concerted efforts to incorporate sustainability principles (i.e., balance of economics, society, and environment) within the materials engineering curriculum at California Polytechnic (Cal Poly) State University. Many future engineering tasks will require the understanding of complicated interplays of technology with the environment and society. In addition, energy demands and dwindling natural resources have emerged as significant challenges for scientists and engineers. The materials engineer has great opportunity to help devise sustainable solutions through appropriate materials selection and processing, and …

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Cheating In College And Its Influence On Ethical Behavior In Professional Engineering Practice, Trevor S. Harding, Cynthia J. Finelli, Donald D. Carpenter Jun 2006

Cheating In College And Its Influence On Ethical Behavior In Professional Engineering Practice, Trevor S. Harding, Cynthia J. Finelli, Donald D. Carpenter

Materials Engineering

Research has demonstrated that engineering undergraduates report rates of cheating higher than those in most other disciplines and that students who cheat in college are more likely to make unethical decisions as professionals. To explore the relationship between academic and professional ethical behavior, the authors launched the Work Experience Study (WES) that examines students' decision-making processes in situations where they are tempted to engage in unethical behavior in academic and professional settings. The population sampled for WES includes engineering undergraduates with substantial work experience in engineering. Such a sampling strategy enables us to make comparisons between academic and work-place scenarios …

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Examining The Underlying Motivations Of Engineering Undergraduates To Behave Unethically, Trevor S. Harding, Cynthia J. Finelli, Donald D. Carpenter, Matthew Mayhew Jun 2006

Examining The Underlying Motivations Of Engineering Undergraduates To Behave Unethically, Trevor S. Harding, Cynthia J. Finelli, Donald D. Carpenter, Matthew Mayhew

Materials Engineering

The need for ethical behavior in engineering professional practice has been demonstrated repeatedly over the years, and most, if not all, academic institutions provide opportunities for engineering students to learn about ethics and professional responsibility. While there has been some investigation of the effectiveness of these academic efforts on student learning of ethics, little attention has been paid to students’ ethical decision-making and behavior. The present study seeks to verify the use of a model of ethical decision-making to predict the tendency of engineering and humanities students to engage in cheating, an unethical behavior with which nearly all undergraduates are …

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Effects Of Hydrogen On The Phases And Transition Temperatures Of Niti, Amanda Runciman, Katherine C. Chen, Alan R. Pelton, Christine Trepanier May 2006

Effects Of Hydrogen On The Phases And Transition Temperatures Of Niti, Amanda Runciman, Katherine C. Chen, Alan R. Pelton, Christine Trepanier

Materials Engineering

Austenitic (B2) NiTi samples were cathodically charged with various amounts of hydrogen. Trends are tracked based on temperature, time and voltage throughout the process to establish consistent and predictive hydrogen charging procedures. The effect of hydrogen on the austenitic structure and the formation of hydrides are studied with x-ray diffraction (XRD). An increase in the austenite lattice parameter with increased hydrogen content is observed up to a hydrogen solubility limit of approximately 85 wppm. At greater hydrogen concentrations, additional XRD peaks appear, suggesting possible hydride formation. Differential scanning calorimetry (DSC) results show a decrease in both the austenitic and martensitic …

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The Implications Of Academic Dishonesty In Undergraduate Engineering On Professional Ethical Behavior, Donald D. Carpenter, Trevor S. Harding, Cynthia J. Finelli May 2006

The Implications Of Academic Dishonesty In Undergraduate Engineering On Professional Ethical Behavior, Donald D. Carpenter, Trevor S. Harding, Cynthia J. Finelli

Materials Engineering

Student academic dishonesty, commonly referred to as cheating, has become a serious problem at institutions of higher education. This is particularly true of engineering students who, according to previous research, are among the most likely to cheat in college. In addition, research on college students in all fields has indicated that such behavior is more common among students who participate in academic dishonesty at the high school level and that it is correlated with other deviant or unethical behaviors, such as petty theft and lying. If, in fact, such correlations do exist, one might hypothesize that there is also a …

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Global Challenges As Inspiration: A Classroom Strategy To Foster Social Responsibility, Linda Vanasupa, Lynn Slivovsky, Katherine C. Chen Apr 2006

Global Challenges As Inspiration: A Classroom Strategy To Foster Social Responsibility, Linda Vanasupa, Lynn Slivovsky, Katherine C. Chen

Materials Engineering

Social responsibility is at the heart of the Engineer’s Creed embodied in the pledge that we will “dedicate [our] professional knowledge and skill to the advancement and betterment of human welfare...[placing] public welfare above all other considerations.” However, half century after the original creed was written, we find ourselves in a world with great technological advances and great global-scale technologically-enabled peril. These issues can be naturally integrated into the engineering curriculum in a way that enhances the development of the technological skill set. We have found that these global challenges create a natural opportunity to foster social responsibility within the …

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Nanotechnology, Biology, Ethics And Society: Overcoming The Multidisciplinary Teaching Challenges, Linda Vanasupa, Matthew Ritter, Barbara Schader, Katherine C. Chen, Richard N. Savage, Peter Schwartz, Lynne Slivovsky Apr 2006

Nanotechnology, Biology, Ethics And Society: Overcoming The Multidisciplinary Teaching Challenges, Linda Vanasupa, Matthew Ritter, Barbara Schader, Katherine C. Chen, Richard N. Savage, Peter Schwartz, Lynne Slivovsky

Materials Engineering

One of the inherent challenges of teaching any emerging technology like nanotechnology, is the fact that its core competencies flux in the new disciplines' early stages. Nanotechnology presents an additional challenge in that its underpinnings cross multiple traditional disciplinary boundaries. We have designed a course that aims to address some of these challenges through a handful of structural features: team-based learning; a "reverse of the learning pyramid" approach; team-teaching; embedded information literacy techniques; and application-centered content. Our course is organized around four applications that are in their developmental stages: gold nanoshells for cancer treatment; molecular manufacturing; tissue engineering of a …

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Work In Progress - An Investigation Into The Effect Of An Institutional Honor Code Policy On Academic Behavior, Donald D. Carpenter, Trevor S. Harding, Cynthia J. Finelli, Matthew Mayhew Oct 2005

Work In Progress - An Investigation Into The Effect Of An Institutional Honor Code Policy On Academic Behavior, Donald D. Carpenter, Trevor S. Harding, Cynthia J. Finelli, Matthew Mayhew

Materials Engineering

Research indicates significant cheating at institutions of higher learning; however, evidence indicates that a well-designed and clearly-communicated campus honor code might have a mitigating effect. This is the impetus behind the implementation of an Academic Honor Code Policy at a private university beginning in the fall of 2004. This situation presented a unique opportunity to investigate the potential of an academic honor code to change the culture and behavior at a university. This investigation will involve conducting a longitudinal study on the academic habits of students as they progress through the curriculum and include students whose academic careers began under …

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The Ballet Model In Engineering Classes – What Works, What Doesn't, And What's New, Blair London, Lisa Deyo Oct 2005

The Ballet Model In Engineering Classes – What Works, What Doesn't, And What's New, Blair London, Lisa Deyo

Materials Engineering

Six different engineering courses were taught using aspects of the classical ballet instruction model in organization, teaching methods, and learning strategies. There was a strong focus on performance. The courses spanned sophomore to senior levels. Some aspects of the ballet model worked well: setting rules for the Sacred Space for learning, the beginning activity (“stretch”), the overall organization of the class session, communicating the known ideal, including historical background, and using demonstrations. Some aspects did not work (thus far): exams are not yet performances on stage, little practice or rehearsal occurs, little competition between students occurs, asking students questions in …

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A Case Study On Research In Engineering Education: Designing, Testing, And Administering The Paces-2 Survey On Academic Integrity, Cynthia J. Finelli, Jamie L. Szwalek, Donald D. Carpenter, Trevor S. Harding Oct 2005

A Case Study On Research In Engineering Education: Designing, Testing, And Administering The Paces-2 Survey On Academic Integrity, Cynthia J. Finelli, Jamie L. Szwalek, Donald D. Carpenter, Trevor S. Harding

Materials Engineering

Most engineering educators excel at planning and conducting technical research in their field, but few are proficient doing this for a project in engineering education. Recently, however, there has been increased emphasis on conducting rigorous research in engineering education. This paper provides practical advice for planning and conducting such research. The authors use their long term project to predict academic dishonesty in engineering college students as a case study representing one approach to research in engineering education. In particular, the authors present the design, testing, and administration of a two-part survey instrument to collect information from college students about their …

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Plasma Deposition Of Spin Chucks To Reduce Contamination Of Silicon Wafers, Emir Gurer, Ed C. Lee, Richard Savage Oct 2005

Plasma Deposition Of Spin Chucks To Reduce Contamination Of Silicon Wafers, Emir Gurer, Ed C. Lee, Richard Savage

Materials Engineering

An apparatus for delivering a fluidic media to a wafer includes a housing defining a process chamber. A fluidic media delivery member is coupled to the process chamber. A rotatable chuck is positioned in the process chamber. The rotatable chuck has a wafer support surface coated with a coating material. A vacuum supply line is coupled to the rotatable chuck.

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Passport To The Materials World: Materials Engineering Outreach Activities, Katherine C. Chen, Lisa Christensen, Amanda Runciman Jun 2005

Passport To The Materials World: Materials Engineering Outreach Activities, Katherine C. Chen, Lisa Christensen, Amanda Runciman

Materials Engineering

No abstract provided.

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Design, Fabrication, And Characterization Of An Electrostatically Actuated Microfluidic Valve, Ryan Dale Rivers Jun 2005

Design, Fabrication, And Characterization Of An Electrostatically Actuated Microfluidic Valve, Ryan Dale Rivers

Master's Theses

Microfluidic device construction uses certain critical structures throughout many different applications. The valve structure remains one of the primary structures that present a barrier to miniaturization and portability. The extensive support devices required to power common microfluidic valves remove a significant amount of freedom from microfluidic device design. Moving to electrostatic methods of actuation could reduce the overall footprint of the microfluidic valve. This thesis covers three concept prototypes. Concept I presents an attempt at inlaying gold electrodes into polydimethylsiloxane substrates. Concept II attempts to use liquid silver injected into channels as electrode materials. Concept III uses aluminum sputtering to …

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Fabrication And Composition Control Of Niti Shape Memory Thin Films For Microactuators, Richard N. Savage, David J. Getchel Apr 2005

Fabrication And Composition Control Of Niti Shape Memory Thin Films For Microactuators, Richard N. Savage, David J. Getchel

Materials Engineering

Microactuators fabricated with NiTi thin films take advantage of this material’s large energy density (~5-10 joules/cm3) and high strain recovery (~8%). Microelectromechanical Systems (MEMS) devices designed with these actuators can serve as biosensors, micro-fluidic pumps or optical switches. However, the fundamental mechanical properties stemming from the crystalline structure of these shape memory NiTi films have not been fully characterized with MEMS scale test structures. Understanding the relationship of crystalline structure, film stoichiometry, and phase transformation temperatures is crucial when designing a MEMS actuator. In addition, force displacement curves for both the martensite and austenite phases of NiTi are necessary to …

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