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Advanced Design and Optimization of Composite Structures I
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This course introduces the basic components of an airframe structure and discusses their use and limitations. The realities of composite design such as the effect of material scatter, environmental knockdowns, and damage knockdowns are discussed and guidelines accounting for these effects and leading to robust designs are presented.

The resulting design constraints and predictive tools are applied to real-life design problems in composite structures. A brief revision of lamination theory and failure criteria leads into the development of analytical solutions for typical failure modes for monolithic skins (layup strength, buckling under combined loads and for a variety of boundary conditions) and stiffeners (strength, column buckling under a variety of loads and boundary conditions, local buckling or crippling for one-edge and no-edge-free conditions). These are then combined into stiffened composite structures where additional failure modes such as skin-stiffener separation are considered. Analogous treatment of sandwich skins examines buckling, wrinkling, crimping, intra-cellular buckling failure modes. Once the basic analysis and design techniques have been presented, typical designs (e.g. flange layup, stiffness, taper requirements) are presented and a series of design guidelines (stiffness mismatch minimization, symmetric and balanced layups, 10% rule, etc.) addressing layup and geometry are discussed. On the metal side, the corresponding design practices and analysis methods are presented for the more important failure modes (buckling, crippling) and comparisons to composite designs are made. A design problem is given in the end as an application of the material in this Part of the course.

Subject:
Engineering
Material Type:
Full Course
Provider:
Delft University of Technology
Provider Set:
Delft University OpenCourseWare
Author:
Dr. Christos Kassapoglou
Dr.ir. Mostafa Abdalla
Date Added:
08/09/2019
Alloy the Way to Mars
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Acting as engineering teams, students take measurements and make calculations to determine the specific strength of various alloys and then report their data to the rest of the class. Using this class data, students write data-based recommendations to NASA regarding the best alloy to use in the construction of the engine and engine turbines for the Space Launch System that will eventually be used to transport astronauts to Mars.

Subject:
Mathematics
Physical Science
Chemistry
Material Type:
Activity/Lab
Provider:
TeachEngineering
Author:
Janelle Orange
Date Added:
02/03/2017
Conducting Scientific Research to Support a Claim
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How can we conduct scientific research so that we have evidence to support a claim?Students in this problem-based learning module are invited to design a testable question to guide Scientific Research, Evaluate the pH of various solutions, Identify Variables, Conduct a Scientific Investigation, and Analyze/Communicate results.    How can we conduct scientific research so that we have evidence to support a claim? Antacid tablets are a multi-billion dollar industry.  Claims are made regularly by certain brands that their extra strength tablets contain “DOUBLE the acid neutralizing power per tablet of regular strength antacids.”  How effective are antacids?  Are double-strength antacids twice as effective as regular strength antacids?  Have you ever noticed a parent/guardian/family member take an antacid tablet? Stomach chemistry is about acids and bases.  When the pH of a stomach is too acidic then it might make the person have a stomach ache.  In some cases “heartburn” or “acid reflux” are used as terms to describe the problems some people face.  Antacids are usually basic which, when taken, might help raise the pH level in a stomach thus making a person feel better.You are invited to design an investigation with a partner, or a team of 4 students, to test your own idea about the effectiveness of antacids.  The challenge?  Have a driving question, clear variable identification, and an analysis of your results.  Materials for your test will be provided to you by your teacher.  At the culmination of your investigation your design team will make a 30-second pitch on your phone to show at your family Thanksgiving meal to explain the benefits (or negatives) of using antacids, and how antacids work.

Subject:
Health, Medicine and Nursing
Physical Science
Chemistry
Material Type:
Lesson Plan
Author:
Blended Learning Teacher Practice Network
Date Added:
11/21/2017
Copper Extraction Demonstration
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Summary This demonstration uses sulfuric acid and crushed copper ore (malachite) to produce a solution of copper sulfate and carbonic acid in a beaker. When a freshly sanded nail is dropped into the copper sulfate ...

Subject:
Education
Chemistry
Material Type:
Activity/Lab
Simulation
Provider:
Science Education Resource Center (SERC) at Carleton College
Provider Set:
Starting Point: Teaching Entry Level Geoscience
Date Added:
11/07/2014
Electronic and Mechanical Properties of Materials, Fall 2007
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Electrical, optical, magnetic, and mechanical properties of metals, semiconductors, ceramics and polymers. Discussion of roles of bonding, structure (crystalline, defect, energy band and microstructure) and composition in influencing and controlling physical properties. Case studies drawn from a variety of applications including semiconductor diodes, optical detectors, sensors, thin films, biomaterials, composites, and cellular materials.

Subject:
Engineering
Material Type:
Full Course
Provider:
MIT
Provider Set:
MIT OpenCourseWare
Author:
Fitzgerald, Eugene
Gibson, Lorna
Date Added:
01/01/2007
Emergent Materials II, Spring 2005
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This course will focus on providing students with the tools needed to practice responsible architecture in a contemporary context. It will familiarize students with the materials currently used in responsible practice, as well as the material properties most relevant to assembly. The course will also introduce students to materials that are untested but hold promise for future usage. Finally, the course will challenge students to refine their understanding of responsible or sustainable design practice by looking at the evolution of those ideas within the field of architecture.

Subject:
Architecture and Design
Material Type:
Full Course
Provider:
MIT
Provider Set:
MIT OpenCourseWare
Author:
Fernandez, John
Date Added:
01/01/2005
Environmental Chemistry Videos
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Learn about environmental chemistry through engaging, bitesize animated videos. The videos are organised into chapters including: the earth, the air, water, rocks, metals and their reactivity, global warming, carbon chemistry, fuels and recycling.

Subject:
Physical Science
Material Type:
Lecture
Author:
Lucy Billings
Date Added:
01/28/2016
Fracture and Fatigue, Fall 2003
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Linear elastic and elastic-plastic fracture mechanics. Experimental methods. Microstructural effects on fracture in metals, ceramics, polymers, thin films, biological materials and composites. Toughening mechanisms. Crack growth resistance and creep fracture. Interface fracture mechanics. Fatigue damage and dislocation substructures in single crystals. Stress- and strain-life approach to fatigue. Fatigue crack growth models and mechanisms. Variable amplitude fatigue. Corrosion fatigue. Case studies of fracture and fatigue in structural, bioimplant, and microelectronic components.

Subject:
Biology
Material Type:
Full Course
Provider:
MIT
Provider Set:
MIT OpenCourseWare
Author:
Suresh, S. (Subra)
Date Added:
01/01/2003
Hard Cash
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Hard Cash shows coins being sorted and asks the students to describe what metals are used in making coins and why. ***Access to Teacher's Domain content now requires free login to PBS Learning Media.

Subject:
Economics
Material Type:
Lecture
Provider:
PBS
Provider Set:
WLVT PBS 39 Teachers' Domain
Date Added:
03/19/2008
Layout Procedures for Metals
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No Strings Attached
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This booklet will lay out step by step procedures and how they can aid a crafts-person to build templates to build both simple and complicated fabricated parts. Types of materials that can be used with these templates is a combination of flat sheet and round tube our pipe.

In order to be successful in the use of this booklet you need to have a good understanding of basic blueprint reading skills, industrial math skill and also basic geometry. Couple this with welding and fabrication skills you can produce a wide variety of fabrications and weldments.

This booklet will start off with simple flat patterns and work in to more complex templates for pipe.

Subject:
Welding
Material Type:
Textbook
Provider:
OpenOregon
Author:
Marc Rose
Date Added:
06/28/2019
Materials in Human Experience, Spring 2004
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Examines the ways in which people in ancient and contemporary societies have selected, evaluated, and used materials of nature, transforming them to objects of material culture. Some examples: glass in ancient Egypt and Rome; powerful metals in the Inka empire; rubber processing in ancient Mexico. Explores ideological and aesthetic criteria often influential in materials development. Laboratory/workshop sessions provide hands-on experience with materials discussed in class. Subject complements 3.091. Enrollment may be limited.

Subject:
Anthropology
Archaeology
Material Type:
Full Course
Provider:
MIT
Provider Set:
MIT OpenCourseWare
Author:
Lechtman, Heather
Date Added:
01/01/2004
Mechanical Behavior of Materials, Spring 2008
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" Here we will learn about the mechanical behavior of structures and materials, from the continuum description of properties to the atomistic and molecular mechanisms that confer those properties to all materials. We will cover elastic and plastic deformation, creep, fracture and fatigue of materials including crystalline and amorphous metals, semiconductors, ceramics, and (bio)polymers, and will focus on the design and processing of materials from the atomic to the macroscale to achieve desired mechanical behavior. We will cover special topics in mechanical behavior for material systems of your choice, with reference to current research and publications."

Subject:
Physics
Material Type:
Full Course
Provider:
MIT
Provider Set:
MIT OpenCourseWare
Author:
van Vliet, Krystyn
Date Added:
01/01/2008
The Molecular World
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From diamonds to dynamite everything involves a chemical reaction. This unit introduces you to the concepts and principles that underpin chemistry at the molecular level.Everyday experiences are used to help you to understand the more complex issues.

Subject:
Chemistry
Material Type:
Activity/Lab
Reading
Syllabus
Provider:
The Open University
Provider Set:
Open University OpenLearn
Date Added:
02/16/2011
The Mystery Escape!
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“Breakout” or “Escape” rooms have become extremely popular for children and adults as an entertainment option to have fun and use teamwork to solve a puzzle in a designated amount of time.  The Mystery Escape! problem-based learning module leads student groups through designing their own puzzle based on Chemistry and Periodic Table of Elements.  The culmination of the Module invites students to crack codes to unlock 4 locks that give a clear answer. “Can YOU escape peril?”

Subject:
Applied Science
Material Type:
Lesson Plan
Author:
Blended Learning Teacher Practice Network
Our Class Band
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In this lesson students will play percussion instruments that have been divided into four groups: Drums, Woods, Metals and Shakers/Scrapers. They will perform a song sung to the tune of 'Old MacDonald had a Farm' and perform the instruments of these groups.

Subject:
Arts and Humanities
Material Type:
Lesson Plan
Provider:
University of North Carolina at Chapel Hill School of Education
Provider Set:
LEARN NC Lesson Plans
Author:
Barbara Tilton
Date Added:
06/25/1999
Stiffness Relevance and Strength Relevance in Crash of Car Body Components
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This study was performed by the Institut fur Kraftfahrzeuge for the European Aluminum Association (EAA) to determine vehicle crash strength and stiffness relevance to explore possible weight reduction with high strength steel and aluminum. To determine possible reduction, quantitative values are determined for components using an FE reference model of a compact car and then compared with original equipment manufacturer (OEM) published values. It is found vehicle weight can be reduced by 11% using high strength steel and 40% with high strength aluminum. OEM experts are presented the results and interviewed. They agree with most of the studies conclusions.

Subject:
Automotive Technology and Repair
Material Type:
Case Study
Data Set
Simulation
Provider:
Center for Automotive Technology - Macomb
Provider Set:
Center for Advanced Automotive Technology
Author:
The Institut fur Kraftfahrzeuge at the University of Aachen in Germany
Date Added:
05/01/2010
Sugar and Salt Solutions
Conditions of Use:
No Strings Attached
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What happens when sugar and salt are added to water? Pour in sugar, shake in salt, and evaporate water to see the effects on concentration and conductivity. Zoom in to see how different sugar and salt compounds dissolve. Zoom in again to explore the role of water.

Subject:
Chemistry
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Emily Moore
Julia Chamberlain
Kathy Perkins
Kelly Lancaster
Robert Parson
Sam Reid
Trish Loeblein
Date Added:
10/12/2011