What This Document Is
This document contains the solutions to Exam Two for MSE 2001D, Principles & Applications of Engineering Materials, administered at Georgia Institute of Technology in Fall 2009. It provides detailed responses to questions covering topics in materials science and engineering, specifically focusing on dislocation theory, strengthening mechanisms, and the properties of oxide glasses.
Why This Document Matters
This resource is primarily valuable to students who took the Fall 2009 MSE 2001D exam and are seeking to review their performance, understand correct approaches to problem-solving, and identify areas for improvement. It can also be helpful for students in subsequent semesters preparing for similar exams, offering insight into the types of questions and expected level of detail. Instructors may use it as a reference for exam question quality and solution clarity.
Common Limitations or Challenges
This document offers completed solutions, but does not provide the original exam questions themselves. It assumes the user has access to the original exam to follow along. It is a specific instance of an exam from a particular semester and may not fully represent the scope of all course material. It is a solutions manual, not a teaching tool, and won’t explain fundamental concepts.
What This Document Provides
The full document includes:
* Detailed, step-by-step solutions to three exam questions.
* Explanations of dislocation types (screw dislocation) and Burgers vectors.
* Descriptions of dislocation climb versus glide.
* Definitions of slip systems in crystalline materials, including the number of slip systems in FCC materials.
* Discussions of grain size and dislocation density’s role in strengthening metals.
* A calculation of critical resolved shear stress.
* Explanations of the role of CaO and Na₂O in commercial oxide glasses.
* Useful equations related to stress and angles within a crystal structure.
This preview does *not* include the original exam questions, diagrams, or a comprehensive review of all course topics. It only describes the content available within the solutions document.