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MEGR 3161 – Engineering Materials – Exam 1 Review Notes + Worked Examples

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2025/2026 Written for academic year
Institution University Of North Carolina - Charlotte
Course MEGR 3161 (MEGR3161)
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These MEGR 3161 – Engineering Materials Exam 1 Review Notes provide a complete, exam‑focused breakdown of all core topics covered in the 2025–2026 study year. The document includes clear explanations, structured summaries, and fully worked examples for bonding, electron configurations, periodic table trends, crystal structures (FCC, BCC, HCP), Miller indices, APF calculations, theoretical density, and introductory XRD concepts. Each section is organized for fast studying, with step‑by‑step problem solutions that mirror the style of real MEGR exam questions. Designed specifically for UNC Charlotte mechanical engineering students, these notes make complex concepts easy to understand and give you a reliable reference for homework, quizzes, and Exam 1 preparation. Perfect for mastering fundamentals and boosting exam confidence.

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MEGR 3161

Engineering Materials –
Exam 1 Review Notes
Bonding • Periodic Table • Crystal Structures
• Miller Indices • APF •
Density • XRD

( 2025–2026 Study Year )

, Table of Contents
MEGR 3161 Engineering Materials – Exam 1 Review Notes
(2025–2026 Study Year)
__________________________________________________________

[ 1 ] Introduction to Engineering Materials

● Material classifications
● Metals, polymers, ceramics, composites
● Atomic structure & bonding
● Crystal structures
● Material basics

[ 2 ] Atomic Bonding & Structure

● Ionic, covalent, metallic bonds
● Secondary bonding
● Bond energy & material properties
● Atomic bonding

[ 3 ] Crystallography

● Unit cells
● FCC, BCC, HCP structures
● Atomic packing factor
● Coordination number
● Crystallography

[ 4 ] Imperfections in Solids

● Point defects
● Dislocations
● Grain boundaries
● Vacancy diffusion
● Defects

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Uploaded on
August 6, 2026
Number of pages
8
Written in
2025/2026
Type
Class notes
Professor(s)
Dr. ahmed el‑ghannam
Contains
Megr 3161 - engineering materials
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