> Home > Engineering > EGN4 > Index_Fall2012

Hartnell Enginering logo Hartnell Merrill Hall
Welcome to Engineering at Hartnell College
EGN4.   Materials Science (3)
Prerequisite: CHM-1A with a grade of "C" or better.
Corequisite: PHY-4A
Lec 2 Hrs; Lab 3 Hrs
Lecture: Monday/Friday 11:00 – 11:50AM, MER8
Lab: Thursday 8:00 – 10:50AM, MER8
Semesters offered: Fall 2012
Instructor: Dr. Melissa Hornstein
Syllabus
Textbook:
Smith Hashemi Textbook Smith Hashemi Textbook
Physical, electrical and mechanical properties of materials including metals, alloys, ceramics, semi-conductors, polymers, and composite materials. Emphasis on atomic and crystalline structures, heat treatment, phase equilibria, transformations, energy bands in solids, studies of grain structure, and corrosion. Laboratory work in metals, corrosion, magnetic properties and plastics.

Materials Science Katia Materials Science microscope Materials Science slime Materials Science Tanya Materials Science Jon Materials Science Dun

Week Date Class material* Homework (due at the first lecture of the next chapter)**
1 Monday, August 20, 2012 Review of syllabus
Chapter 1: Introduction to Materials Science and Engineering
  • Update email address on PAWS.
  • Acquire a copy of the textbook and a lab notebook.
  • Read Chapter 1.
  • While you're waiting to get your book, you can read Chapter 1 from other Materials Science textbooks here and here.
Thursday, August 23, 2012 Read "Cradle to Cradle" Chapter 3
Product Life Cycle Analysis Lab
Review of journaling in a laboratory notebook.
PLCA Excel worksheet
Friday, August 24, 2012 Chapter 2: Atomic Structure and Bonding
  • 2.1: Atomic Structure and Subatomic Particles
  • 2.2: Atomic Numbers, Mass Numbers, and Atomic Masses
  • 2.3: The Electronic Structure of Atoms
  • Read Chapter 2.1-2.3.
  • Do problems 5, 6, 8, 10, 11, 12, 41, 13, 15, 16.
  • Link for animations.
2 Monday, August 27, 2012 Chapter 2: Atomic Structure and Bonding
  • 2.3: The Electronic Structure of Atoms
  • 2.4: Periodic Variations in Atomic Size, Ionization Energy, and Electron Affinity
  • 2.5: Primary Bonds
  • Read Chapter 2.3-2.7.
  • Do problems 50, 17, 53, 18(c-j), 19, 25.
  • Link for animations.
Thursday, August 30, 2012 CES materials selection lab
Bring in computer earbuds/headphones
Friday, August 31, 2012 Chapter 3: Crystal and Amorphous Structure in Materials
  • 3.1: The Space Lattice and Unit Cells
  • 3.2: Crystal Systems and Bravais Lattices
  • 3.3: Principal Metallic Crystal Structures
  • Read Chapter 3.1-3.3.
  • Do problems 1, 2(a,b,d,f), 4, 5, 6, 7(a-d).
  • Link for animations.
  • Link for tutorials.
3 Monday, September 3, 2012 No class - Labor Day
Thursday, September 6, 2012 Bravais crystal lattice lab
Friday, September 7, 2012 Chapter 3: Crystal and Amorphous Structure in Materials
  • 3.4: Atom Positions in Cubic Unit Cells
  • 3.5: Directions in Cubic Unit Cells
  • 3.6: Miller Indices for Crystallographic Planes in Cubic Unit Cells
  • 3.7: Crystallographic Planes and Directions in Hexagonal Crystal Structures
  • 3.8: Comparison of FCC, HCP, and BCC Crystal Structures
  • 3.10: Polymorphism or Allotropy
  • 3.11: Crystal Structure Analysis
  • 3.12: Amorphous Materials
  • Read Chapter 3.1-3.3.
  • Do problems 9, 10, 31, 33, 42, 15, 17, 18, 16, 19.
  • Link for animations.
  • Link for tutorials.
4 Monday, September 10, 2012 Chapter 4: Solidification and Crystalline Imperfections
  • 4.1: Solidification of Metals
  • 4.2: Solidification of Single Crystals
  • 4.3: Metallic Solid Solutions
  • Read Chapter 4.1-4.3.
  • Do problems 1, 4, 3, 5, 6, 8, 9, 11, 12, 13, 14.
Thursday, September 13, 2012 Grain boundaries in metals lab In addition to journaling in your lab book, this lab requires a Powerpoint lab report (due at the start of the following lab).
Review the following materials to write a successful lab report:
Friday, September 14, 2012 Chapter 4: Solidification and Crystalline Imperfections
  • 4.3: Metallic Solid Solutions
  • 4.4: Crystalline Imperfections
  • 4.5: Experimental Techniques for Identification of Microstructure and Defects
  • Read Chapter 4.3-4.5.
  • Do problems 15, 16(a,c), 17, 19, 22, 23, 26, 27, 43.
5 Monday, September 17, 2012 Chapter 5: Thermally Activated Processes and Diffusion in Solids
  • 5.1: Rate Processes in Solids
  • 5.2: Atomic Diffusion in Solids
  • Read Chapter 5.1-5.2.
  • Do problems 1, 2, 3, 4.
Thursday, September 20, 2012 Lab: Diffusion in liquid, gas, and solid
Lab will be held in MER26
In addition to journaling in your lab book, this lab requires a Powerpoint lab report (due at the start of the following lab).
Friday, September 21, 2012 Chapter 5: Thermally Activated Processes and Diffusion in Solids
  • 5.2: Atomic Diffusion in Solids
  • 5.3: Industrial Applications of Diffusion Processes
  • 5.4: Effect of Temperature on Diffusion in Solids
Grade report
  • Read Chapter 5.2-5.4.
  • Do problems 5, 6, 7, 8, 9, 10, 22.
6 Monday, September 24, 2012 Chapter 6: Mechanical Properties of Metals I
  • 6.1: The Processing of Metals and Alloys
  • 6.2: Stress and Strain in Metals
  • 6.3: The Tensile Test and the Engineering Stress-Strain Diagram
  • 6.4: Hardness and Hardness Testing
  • 6.5: Plastic Deformation of Metal Single Crystals
  • Read Chapter 6.1-6.5.
  • Do problems 8, 9(acde), 45 (using Excel), 47 (using Excel), 10, 12, 13, 14.
Thursday, September 27, 2012 Lab: Stress-strain lab using force sensors
Pasco instruction manual
In addition to journaling in your lab book, this lab combined with next week's lab requires a Powerpoint lab report (due in two weeks at the start of lab).
Friday, September 28, 2012 Chapter 6: Mechanical Properties of Metals I
  • 6.5: Plastic Deformation of Metal Single Crystals
  • 6.6: Plastic Deformation of Polycrystalline Metals
  • 6.7: Solid-Solution Strengthening of Metals
  • 6.8: Recovery and Recrystallization of Plastically Deformed Metals
  • 6.9: Superplasticity in Metals
  • 6.10: Nanocrystalline Metals
  • Read Chapter 6.5-6.10.
  • Do problems 17, 21, 22, 24, 25, 26, 27(a), 28, 29, 30, 31, 34, 35, 36.
7 Monday, October 1, 2012 Chapter 7: Mechanical Properties of Metals II
  • 7.1: Fracture of Metals
  • 7.2: Fatigue of Metals
  • Read Chapter 7.1-7.2.
  • Do problems 1, 2, 3, 6, 7, 9, Ex. prob. 7.1.
Thursday, October 4, 2012 Chapter 7: Mechanical Properties of Metals II
  • 7.2: Fatigue of Metals
  • 7.3: Fatigue Crack Propagation Rate
  • 7.4: Creep and Stress Rupture of Metals
  • 7.6: A Case Study in Failure of Metallic Components
  • 7.7: Recent Advances and Future Directions in Improving the Mechanical Performance of Metals
Lab: Tensile test and hardness test of metals
  • Review of tensile testing and the important elements of the testing apparatus
  • Tensile testing demonstration (Tito)
  • Failure and fracture analysis
    • What kind of fracture was it?
    • Measure the length and diameter of the specimen after fracture.
    • Calculate the percent reduction in area and percent elongation.
    • Graph the engineering stress vs. strain, and indicate the yield strength, elastic regime, plastic regime, ultimate tensile strength, fracture point, and Young’s Modulus.
    • How did the processing of the material affect its properties?
    • Comment on the ductility of the material.
    • Compare your values with other tensile test values (referenced from internet).
    • Briefly summarize the similarities and differences in material properties for the materials tested. When observed, present relationships between various material properties for the three materials tested (example: increasing Modulus of Elasticity for the materials was accompanied by increasing percent reduction in area).
    • Chances are that the specimens failed somewhere other than directly in the middle. What determines where a specimen fails?
  • Read Chapter 7.2-7.7.
  • Do problems 10, 12, 13, 15, 16, Ex. prob. 7.2, 17, 18, 19.
Friday, October 5, 2012 Class cancelled (FIE conference)
8 Monday, October 8, 2012 Chapter 8: Phase Diagrams
  • 8.1: Phase Diagrams of Pure Substances
  • 8.2: Gibbs Phase Rule
  • 8.3: Cooling Curves
  • 8.4: Binary Isomorphous Alloy Systems
  • Read Chapter 8.1-8.4.
  • Do problems 1, 2, 3, 4, 5, 6, 7, 8.
Thursday, October 11, 2012 Lab: Lead-tin phase diagram In addition to journaling in your lab book, this lab requires a Powerpoint lab report (due in two weeks at the start of lab).
Friday, October 12, 2012 Chapter 8: Phase Diagrams
  • 8.4: Binary Isomorphous Alloy Systems
  • 8.5: The Lever Rule
  • 8.6: Nonequilibrium Solidification of Alloys
  • 8.7: Binary Eutectic Alloy Systems
  • 8.8: Binary Peritectic Alloy Systems
  • 8.9: Binary Monotectic Systems
  • 8.10: Invariant Reactions
  • 8.11: Phase Diagrams with Intermediate Phases and Compounds
  • 8.12: Ternary Phase Diagrams
  • Read Chapter 8.4-8.12.
  • Do problems 9, 21, 10, 11, 25, 26.
9 Monday, October 15, 2012 Chapter 9: Engineering Alloys
Thursday, October 18, 2012 Midterm
Friday, October 19, 2012 Chapter 10: Polymeric Materials
  • 10.1: Introduction
  • 10.2: Polymerization Reactions
  • Read Chapter 10.1-10.2.
  • Do problems 1, 5(a), 6, 8, 9, 18.
10 Monday, October 22, 2012 Grade report
Chapter 10: Polymeric Materials
  • 10.3: Industrial Polymerization Methods
  • 10.4: Crystallinity and Steroisomerism in Some Thermoplastics
  • 10.5: Processing of Plastic Materials
  • 10.6: General-Purpose Thermoplastics
  • 10.7: Engineering Thermoplastics
  • 10.8: Thermosetting Plastics (Thermosets)
  • 10.9: Elastomers (Rubbers)
  • 10.10: Deformation and Strengthening of Plastic Materials
  • 10.11: Creep and Fracture of Polymeric Materials
  • Read Chapter 10.3-10.11.
  • Do problems 19, 21(a), 26, 27(a), 28, 29, 30(a), 32, 33, 45, 46, 47, 59, 60, 61, 65.
Thursday, October 25, 2012
Friday, October 26, 2012 Class cancelled - NSF ATE PI conference
11 Monday, October 29, 2012 Chapter 11: Ceramics
  • 11.1: Introduction
  • 11.2: Simple Ceramic Crystal Structures
  • 11.3: Silicate Structures
  • Read Chapter 11.1-11.3.
  • Do problems 1, 2, 3, 16, 19, 20, 22, 28, 29, 30, 35, 39, 40, 45, 46, 47, 54.
  • Problem: What is the difference between fused silica and quartz?
  • Problem: A yttria green body sample is pillbox shaped (like the ones we saw in the lecture today). Its weight is 152 mg, thickness is 1.82 mm, and its diameter is 6.05 mm. After sintering, its diameter changes to 5.06 mm, and thickness becomes 1.50 mm. What is its green body density? What is its sintered density? Why did the density change?
Thursday, November 1, 2012 Ceramic sintering of zinc oxide
Chapter 11: Ceramics
  • 11.4: Processing of Ceramics
  • 11.5: Traditional and Engineering Ceramics
  • 11.6: Mechanical Properties of Ceramics
  • 11.7: Thermal Properties of Ceramics
  • 11.8: Glasses
  • 11.9: Ceramic Coatings and Surface Engineering
  • 11.10: Nanotechnology and Ceramics
  • In addition to journaling in your lab book, this lab requires a Powerpoint lab report (due in two weeks at the start of lab).
  • Read Chapter 11.4-11.10.
  • Fill out field trip form by Monday, November 5, at 11am.
Friday, November 2, 2012 Chapter 12: Composite Materials
  • 12.1: Introduction
  • 12.6: Concrete
  • 12.2: Fibers for Reinforced-Plastic Composite Materials
  • 12.3: Fiber-Reinforced-Plastic Composite Materials
  • Read Chapter 12.1, 12.6, 12.2, 12.3.
  • Do problems 1, 2, 3, 4, 5, 6, 7, 8, 11, 18, 19, 20, 21, 22, 24, 25, 26, 27, 28, 29, 31, 34, 36, 37, 50, 52, 54, 55, 61, 65, 66, 76, 77.
12 Monday, November 5, 2012 Chapter 12: Composite Materials
  • 12.2: Fibers for Reinforced-Plastic Copmosite Materials
  • 12.3: Fiber-Reinforced-Plastic Composite Materials
  • 12.4: Open-Mold Processes for Fiber-Reinforced-Plastic Composite Materials
  • 12.5: Closed-Mold Processes for Fiber-Reinforced-Plastic Composite Materials
  • 12.7: Asphalt and Asphalt Mixes
  • 12.8: Wood
  • 12.9: Sandwich Structures
  • 12.10: Metal-Matrix and Ceramic-Matrix Composites
  • Read Chapter 12.2-12.10.
  • Do problems 1, 2, 3, 4, 5, 6, 7, 8, 11, 18, 19, 20, 21, 22, 24, 25, 26, 27, 28, 29, 31, 34, 36, 37, 50, 52, 54, 55, 61, 65, 66, 76, 77.
Thursday, November 8, 2012 Concrete field trip to Harkins Readymix plant.
Meet at the dispatch trailer behind the concrete plant at 8:20am.
If you will not be attending the field trip, please watch this movie on concrete and write a lab report in the usual format.
Friday, November 9, 2012 Chapter 13: Corrosion
  • 13.1: General
  • 13.2: Electrochemical Corrosion of Metals
  • 13.3: Galvanic Cells
  • 13.4: Corrosion Rates (Kinetics)
  • Read Chapter 13.1-13.4.
  • Do problems 1, 2, 4, 7, 10, 14, 15, 18, 19, 20, 21, 24, 25, 26, 27.
13 Monday, November 12, 2012 No class - Veteran's Day
Thursday, November 15, 2012 Rust and corrosion lab
Friday, November 16, 2012 Chapter 13: Corrosion
  • 13.5: Types of Corrosion
  • 13.6: Oxidation of Metals
  • 13.7: Corrosion Control
  • Read Chapter 13.5-13.7.
  • Do problems 1, 2, 4, 7, 10, 14, 15, 18, 19, 20, 21, 24, 25, 26, 27.
14 Monday, November 19, 2012 Chapter 14: Electrical Properties of Metals
  • 14.1: Electrical Conduction in Metals
  • 14.2: Energy-Band Model for Electrical conduction
  • 14.3: Intrinsic Semiconductors
  • 14.4: Extrinsic Semiconductors
  • Read Chapter 14.1-14.4.
  • Do problems 1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 14, 15, 17, 19, 21, 24, 25, 26, 30, 32, 38, 39, 44, 45, 51, 55.
Thursday, November 22, 2012 No class - Thanksgiving
Friday, November 23, 2012 No class - Day after Thanksgiving
15 Monday, November 26, 2012 Grade report
Chapter 14: Electrical Properties of Metals
  • 14.4: Extrinsic Semiconductors
  • 14.5: Semiconductor Devices
  • 14.6: Microelectronics
  • 14.7: Compound Semiconductors
  • 14.8: Electrical Properties of Ceramics
  • 14.9: Nanoelectronics
  • Read Chapter 14.4-14.9.
  • Do problems 1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 14, 15, 17, 19, 21, 24, 25, 26, 30, 32, 38, 39, 44, 45, 51, 55.
Thursday, November 29, 2012 Temperature Dependence of Metal Resistivity
Friday, November 30, 2012 Chapter 15: Optical Properties and Superconductive Materials
  • 15.1: Introduction
  • 15.2: Light and the Electromagnetic Spectrum
  • 15.3: Refraction of Light
  • 15.4: Absorption, Transmission, and Reflection of Light
  • 15.5: Luminescence
  • Read Chapter 15.1-15.5.
  • Do problems 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 12, 13, 15, 16, 18, 19, 20, 22, 23.
16 Monday, December 3, 2012 Chapter 15: Optical Properties and Superconductive Materials
  • 15.6: Stimulated Emission of Radiation and Lasers
  • 15.7: Optical Fibers
  • 15.8: Superconducting Materials
  • Read Chapter 15.6-15.8.
  • Do problems 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 12, 13, 15, 16, 18, 19, 20, 22, 23.
Thursday, December 6, 2012 Final exam workshop
Friday, December 7, 2012 Chapter 17: Biological Materials and Biomaterials
  • 17.1: Introduction
  • 17.2: Biological Materials: Bone
  • 17.3: Biological Materials: Tendons and Ligaments
  • 17.4: Biological Material: Articular Cartilage
  • Read Chapter 17.1-17.4.
  • Do problems 1, 2, 3, 4, 5, 6, 7, 8, 13, 17, 19, 20, 21, 48.
17 Monday, December 10, 2012 Chapter 17: Biological Materials and Biomaterials
  • 17.5: Biomaterials: Metals in Biomedical Applications
  • 17.6: Polymers in Biomedical Applications
  • 17.7: Ceramics in Biomedical Applications
  • 17.8: Composites in Biomedical Applications
  • 17.9: Corrosion in Biomaterials
  • 17.10: Wear in Biomedical Implants
  • 17.11: Tissue Engineering
  • Read Chapter 17.5-17.11.
  • Do problems 1, 2, 3, 4, 5, 6, 7, 8, 13, 17, 19, 20, 21, 48.
Thursday, December 13, 2012 Chapter 16: Magnetic Properties
Guest speaker: Dr. Andrew McCallum of WD-HGST (formerly Hitachi Global Storage Technologies)
Friday, December 14, 2012 Summary of Materials Science
18 Monday, December 17, 2012 No class - Final exam week
Thursday, December 20, 2012 Final exam: 8:00am - 11:00am, MER8
Friday, December 21, 2012 No class - Final exam week
*This is only a tentative schedule which is subject to change as time progresses.
**Homework will be assigned on the date of the lecture.