Engineering

In MSE 2010 we talk about several general classes of materials: metals, polymers, ceramics, glasses and composites. We know that these are just the basic categories and we’ve discussed several specific examples, but this is nowhere near an exhaustive list of the novel and unique materials being researched and developed. The purpose of this assignment is to get you thinking about how vast the field of materials science is through an in-depth exploration of one of these exciting topics. You will answer questions connected to topics covered in lecture and recitation, and use your engineering mindset for potential applications. Suggested questions and format can be found on the next page.

Topic Choices:

Metallic glasses

Conductive polymers

Ceramic matrix composites

Mg Alloys

Ni-based super alloys

Superhydrophobic surfaces/ coatings

Carbon nanotubes

K.Esham Fall 2016

MSE 2010 Extra Credit Assignment In MSE 2010 we talk about several general classes of materials: metals, polymers, ceramics, glasses and composites. We know that these are just the basic categories and we’ve discussed several specific examples, but this is nowhere near an exhaustive list of the novel and unique materials being researched and developed. The purpose of this assignment is to get you thinking about how vast the field of materials science is through an in-depth exploration of one of these exciting topics. You will answer questions connected to topics covered in lecture and recitation, and use your engineering mindset for potential applications. Suggested questions and format can be found on the next page.

Topic Choices

Metallic glasses • What advantage does a non-crystalline structure have over a crystalline one? • What biological applications have taken advantage of these materials?

Conductive polymers • What allows this class of materials to be conductive? • What advantages would a conductive polymer offer over a metal?

Ceramic matrix composites • How does adding ceramic fibers to ceramic provide superior properties to typical ceramics? • How do the stress-strain curves vary from those of a typical ceramic?

Mg alloys • What structural advantage does Mg have over other alloy systems? • What effect do the different alloying elements have on material properties?

Ni-based superalloys • Identify and describe are the various common phases observed. • What solution hardening effects are observed with common alloying elements?

Superhydrophobic surfaces/coatings • Describe the advantage these naturally occurring surfaces have in nature • How do nanoscale structures affect macroscopic properties?

Carbon nanotubes

• What could these be combined with to enhance either thermal or mechanical properties? • Identify and discuss the different types of carbon nanotubes in terms of structure and properties

K.Esham Fall 2016

General Requirements -Works cited from 5 or more scientifically rigorous resources (journal papers, textbooks, NOT Wikipedia) -Include 2-4 relevant figures from credible sources + 1 figure from 2010 course material -Word count: 1200-1500 (not including works cited), 1.5 spaced, 1” margins -Submit as Word document (.doc or .docx) -Use tables or charts to summarize information as needed -You should answer most of the questions outlined below regardless of your chosen topic

Sample Format Abstract (1 paragraph) Summarize your paper: what you studied, what makes it special, how it’s made, how it’s used, etc. Introduction and basic material information (1-2 paragraphs) Give a general description of the material: What class of materials does this material belong to? What are specific compositions used? What different forms of this material exist? Quantitatively, what are the material properties? In-depth explorations (2-3 paragraphs) Time to dive into your chosen topic and give us an idea of what makes it unique: What properties make this material unique or novel? What does the microstructure look like? What about the chemistry and structure causes the unique properties to occur? Now that you’ve established what makes it unique: how was this unique-ness discovered? How is this material fabricated (i.e. what is the processing like)? How are phase diagrams or TTT curves used to create this material? Topic specific explorations (2-3 paragraphs) Address the questions specific to the topic of your choosing, found on the other side of this sheet. Applications (2-3 paragraphs) These materials sound really cool, but to be useful they need to have practical applications: What applications has this material been used for? How specifically do their unique properties play into these applications? Have they replaced a previous materials system, or solved a previously unsolved problem? Do they offer benefits beyond superior properties (e.g. lightweight or low-cost alternatives)? Now, time to think like a materials scientist: What potential applications can you imagine? What problems could be solved with this material? Could you modify some property of this material for completely different applications? What tools could you use to design similar materials? Works Cited (at least 5 sources)

  • MSE 2010 Extra Credit Assignment
  • Topic Choices
    • Metallic glasses
    • Conductive polymers
    • Ceramic matrix composites
    • Mg alloys
    • Ni-based superalloys
    • Superhydrophobic surfaces/coatings
    • Carbon nanotubes
    • General Requirements
      • Abstract (1 paragraph)
      • Introduction and basic material information (1-2 paragraphs)
      • In-depth explorations (2-3 paragraphs)
      • Topic specific explorations (2-3 paragraphs)
      • Applications (2-3 paragraphs)
      • Works Cited (at least 5 sources)

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