MSE 227: Introduction to Materials Science & Engineering Course Objective... Introduce fundamental...
-
Upload
tyrone-may -
Category
Documents
-
view
226 -
download
0
Transcript of MSE 227: Introduction to Materials Science & Engineering Course Objective... Introduce fundamental...
![Page 1: MSE 227: Introduction to Materials Science & Engineering Course Objective... Introduce fundamental concepts in MSE You will learn about: material structure.](https://reader036.fdocuments.in/reader036/viewer/2022062300/56649da75503460f94a929f3/html5/thumbnails/1.jpg)
MSE 227: Introduction to Materials Science & Engineering
Course Objective...Introduce fundamental concepts in MSE
You will learn about:• material structure
• how structure dictates properties• how processing can change structure
This course will help you to:• use materials properly• realize new design opportunities
with materials
![Page 2: MSE 227: Introduction to Materials Science & Engineering Course Objective... Introduce fundamental concepts in MSE You will learn about: material structure.](https://reader036.fdocuments.in/reader036/viewer/2022062300/56649da75503460f94a929f3/html5/thumbnails/2.jpg)
Time: T/Th: 11:00-12:15 PMRoom: JD3504
Instructor: Dr. R. D. Conner Dept. of Manufacturing System Engineering and Management
Office: JD3511, (818) 677-4730
Office Hour: T, Th: 10-10:45 AM, T, Th: 6:00 – 6:45 PM
Email: [email protected]
Website: http://www.csun.edu/~rdconner
![Page 3: MSE 227: Introduction to Materials Science & Engineering Course Objective... Introduce fundamental concepts in MSE You will learn about: material structure.](https://reader036.fdocuments.in/reader036/viewer/2022062300/56649da75503460f94a929f3/html5/thumbnails/3.jpg)
Prerequisites: CHEM 101, PHYS220A, PHYS220ALCorequisites: MATH 150B.
Textbook: Fundamentals of Materials Science and Engineering, 3nd Ed. 2008.
D. Callister, Jr. J. Wiley & Sons, NY
Course Description: An introductory course in engineering materials including metals, ceramics, polymers, and composites. Study of atomic and crystalline structures of materials. Application of basic principles to the study of mechanical, physical, and chemical behavior of materials. Selection of materials in engineering applications based on materials properties and processing. Design project on materials properties, selection or application.
The learning objectives are: To understand the principles of engineering and science in applications of materials and design. To learn to find information in literature and other available sources. To learn to use information systems (computer, internet, and other available sources) in engineering practice.
![Page 4: MSE 227: Introduction to Materials Science & Engineering Course Objective... Introduce fundamental concepts in MSE You will learn about: material structure.](https://reader036.fdocuments.in/reader036/viewer/2022062300/56649da75503460f94a929f3/html5/thumbnails/4.jpg)
Methods of Students evaluation:
• Grading Policy
• Homework 10.0 %
• Mid-term Exams 30 %
• Term paper 15 %
• Design Project 15%
• Final Exam 30%
No Make Up Exams
![Page 5: MSE 227: Introduction to Materials Science & Engineering Course Objective... Introduce fundamental concepts in MSE You will learn about: material structure.](https://reader036.fdocuments.in/reader036/viewer/2022062300/56649da75503460f94a929f3/html5/thumbnails/5.jpg)
• Homework: Homework problems will be passed out in class. Each student will turn in homework one week after it is assigned. On the day homework is due, students will be randomly selected to solve selected homework problems at the board, explaining to the class how each problem is worked. Students are encouraged to work together on homework. Students will be evaluated on both the quality of their written answers and board presentations.
![Page 6: MSE 227: Introduction to Materials Science & Engineering Course Objective... Introduce fundamental concepts in MSE You will learn about: material structure.](https://reader036.fdocuments.in/reader036/viewer/2022062300/56649da75503460f94a929f3/html5/thumbnails/6.jpg)
• Exams: Exams will be based on homework and information provided in lecture and assigned reading. All exams will be closed book. The final will be cumulative. Relevant formulas, tables, etc. will be provided.
• Term Paper: Each student will write a 4-page term paper on a topic of interest in materials. Term papers are due on October 26, 2010.
• Design Presentation: The class will be divided evenly into groups for a materials selection design project. Projects for each group will be assigned by the instructor. Each group will write a report on their respective project, as well as make an oral presentation to the class.
![Page 7: MSE 227: Introduction to Materials Science & Engineering Course Objective... Introduce fundamental concepts in MSE You will learn about: material structure.](https://reader036.fdocuments.in/reader036/viewer/2022062300/56649da75503460f94a929f3/html5/thumbnails/7.jpg)
Grades will be based on the weighted average of the total number of points accumulated by the student during the semester. Letter grades will be assigned as follows:
100 - 90 A
90 – 87.5 A-
87.5 – 82.5 B+
82.5 – 77.5 B
77.5 – 72.5 B-
72.5 – 67.5 C+
67.6 – 62.5 C
62.5 – 60 C-
<60 D
<50 F
![Page 8: MSE 227: Introduction to Materials Science & Engineering Course Objective... Introduce fundamental concepts in MSE You will learn about: material structure.](https://reader036.fdocuments.in/reader036/viewer/2022062300/56649da75503460f94a929f3/html5/thumbnails/8.jpg)
Suggestions for success in this class:• 1. Read the relevant material in the book (preferably
before the lecture topic)• 2. Review and understand the examples given in the
book.• 3. Do the assigned homework. If you are having
difficulty with a particular concept, work additional problems given in the book on that topic that have the answers given in the back of the book.
• 4. Come to office hours.• 5. Seek help: student services, tutors, etc.
Academic success is directly proportional to the amount of time devoted to study.
![Page 9: MSE 227: Introduction to Materials Science & Engineering Course Objective... Introduce fundamental concepts in MSE You will learn about: material structure.](https://reader036.fdocuments.in/reader036/viewer/2022062300/56649da75503460f94a929f3/html5/thumbnails/9.jpg)
Criteria Points
Identified problem type 0 1 2
Identified relevant criteria: variables given and to be solved for
0 1 2
Used appropriate equations/solution method
0 1 2
Followed logical sequence to solution 0 1 2
Proper arithmetic and units 0 1 2
Total:
![Page 10: MSE 227: Introduction to Materials Science & Engineering Course Objective... Introduce fundamental concepts in MSE You will learn about: material structure.](https://reader036.fdocuments.in/reader036/viewer/2022062300/56649da75503460f94a929f3/html5/thumbnails/10.jpg)
The Materials Science Mantra:
The properties of a material depend upon its composition and microstructure
The microstructure of a material depends upon its composition and the processing that it undergoes
![Page 11: MSE 227: Introduction to Materials Science & Engineering Course Objective... Introduce fundamental concepts in MSE You will learn about: material structure.](https://reader036.fdocuments.in/reader036/viewer/2022062300/56649da75503460f94a929f3/html5/thumbnails/11.jpg)
Materials are... engineered structures...not blackboxes!
Structure...has many dimensions...
Structural feature Dimension (m)
atomic bonding
missing/extra atoms
crystals (ordered atoms)
second phase particles
crystal texturing
< 10-10
10-10
10-8-10-1
10-8-10-4
> 10-6
1
Chapter 1
![Page 12: MSE 227: Introduction to Materials Science & Engineering Course Objective... Introduce fundamental concepts in MSE You will learn about: material structure.](https://reader036.fdocuments.in/reader036/viewer/2022062300/56649da75503460f94a929f3/html5/thumbnails/12.jpg)
ex: hardness vs structure of steel • Properties depend on structure
ex: structure vs cooling rate of steel • Processing can change structure
2
Structure, Processing, & Properties
Cooling Rate (C/s)
100
200
300
400
500
600
0.01 0.1 1 10 100 1000
(a)
30m
(b)
30m
(d)
30m(c)
4m
Hard
ness
(B
HN
)
![Page 13: MSE 227: Introduction to Materials Science & Engineering Course Objective... Introduce fundamental concepts in MSE You will learn about: material structure.](https://reader036.fdocuments.in/reader036/viewer/2022062300/56649da75503460f94a929f3/html5/thumbnails/13.jpg)
1. Pick Application Determine required Properties
2. Properties Identify candidate Material(s)
3. Material Identify required Processing
Processing: changes structure and overall shapeex: casting, sintering, vapor deposition, doping forming, joining, annealing.
Properties: mechanical, electrical, thermal,magnetic, optical, deteriorative.
Material: structure, composition.
3
The Materials Selection Process
![Page 14: MSE 227: Introduction to Materials Science & Engineering Course Objective... Introduce fundamental concepts in MSE You will learn about: material structure.](https://reader036.fdocuments.in/reader036/viewer/2022062300/56649da75503460f94a929f3/html5/thumbnails/14.jpg)
T (°C)-200 -100 0
Cu + 3.32 at%Ni
Cu + 2.16 at%Ni
deformed Cu + 1.12 at%Ni
1
2
3
4
5
6
Resi
stiv
ity,
(1
0-8 O
hm
-m)
0
Cu + 1.12 at%Ni
“Pure” Cu
• Electrical Resistivity of Copper:
• Adding “impurity” atoms to Cu increases resistivity.• Deforming Cu increases resistivity.
4
ELECTRICAL
![Page 15: MSE 227: Introduction to Materials Science & Engineering Course Objective... Introduce fundamental concepts in MSE You will learn about: material structure.](https://reader036.fdocuments.in/reader036/viewer/2022062300/56649da75503460f94a929f3/html5/thumbnails/15.jpg)
• Space Shuttle Tiles: --Silica fiber insulation offers low heat conduction.
• Thermal Conductivity of Copper: --It decreases when you add zinc!
Composition (wt%Zinc)Therm
al C
onduct
ivit
y
(W/m
-K)
400
300
200
100
00 10 20 30 40
5100m
THERMAL
![Page 16: MSE 227: Introduction to Materials Science & Engineering Course Objective... Introduce fundamental concepts in MSE You will learn about: material structure.](https://reader036.fdocuments.in/reader036/viewer/2022062300/56649da75503460f94a929f3/html5/thumbnails/16.jpg)
• Magnetic Permeability vs. Composition: --Adding 3 atomic % Si makes Fe a better recording medium!
Magnetic FieldMagneti
zati
on
Fe+3%Si
Fe
6
• Magnetic Storage: --Recording medium is magnetized by recording head.
MAGNETIC
![Page 17: MSE 227: Introduction to Materials Science & Engineering Course Objective... Introduce fundamental concepts in MSE You will learn about: material structure.](https://reader036.fdocuments.in/reader036/viewer/2022062300/56649da75503460f94a929f3/html5/thumbnails/17.jpg)
• Transmittance: --Aluminum oxide may be transparent, translucent, or opaque depending on the material structure.
7
single crystalpolycrystal:low porosity
polycrystal:high porosity
OPTICAL
![Page 18: MSE 227: Introduction to Materials Science & Engineering Course Objective... Introduce fundamental concepts in MSE You will learn about: material structure.](https://reader036.fdocuments.in/reader036/viewer/2022062300/56649da75503460f94a929f3/html5/thumbnails/18.jpg)
• Stress & Saltwater... --causes cracks!
• Heat treatment: slows crack speed in salt water!
4m--material: 7150-T651 Al "alloy" (Zn,Cu,Mg,Zr)
8
“held at 160C for 1hr before testing”
increasing loadcrack
sp
eed
(m
/s)
“as-is”
10-10
10-8
Alloy 7178 tested in saturated aqueous NaCl solution at 23C
DETERIORATIVE