che 361 engineering materials. syllabus and course schedule complete version posted on canvas
TRANSCRIPT
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ChE 361ChE 361
Engineering MaterialsEngineering Materials
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Syllabus and Course ScheduleSyllabus and Course Schedule
Complete version posted on CanvasComplete version posted on Canvas
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Instructor:Instructor: Dr. M. Ginger Dr. M. Ginger ScarbroughScarbrough
Office:Office: JH 158JH 158Phone:Phone: 646-5579646-5579
Office Hours:Office Hours: MWF 9:00-10:15 MWF 9:00-10:15 AMAM Or via Canvas Or via Canvas Or by appointmentOr by appointment
Email:Email: [email protected]@nmsu.edu
Use Canvas for fastest Use Canvas for fastest responseresponse
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I check Canvas several times I check Canvas several times per day.per day.
I check my NMSU email a few times I check my NMSU email a few times
per week.per week.
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Required TextbookRequired Textbook
Materials Science Materials Science and Engineering: and Engineering: An Introduction, An Introduction, 8th 8th Ed.Ed.
byby Callister and Callister and RethwischRethwisch
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Required TextbookRequired TextbookBN Bookstore: BN Bookstore: $99 Rent used$99 Rent used$148 Rent new$148 Rent new$185 Buy used$185 Buy used$246 Buy new$246 Buy new$60 Buy eText $60 Buy eText
Wiley.com Wiley.com (see Canvas link)(see Canvas link)::$151 New Binder-ready $151 New Binder-ready $60 eBook$60 eBook$232 Buy new$232 Buy new
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Required TextbookRequired TextbookUse other editions at your own Use other editions at your own
risk.risk.
You are responsible for making You are responsible for making adjustments for changes in adjustments for changes in section numbering and section numbering and pages.pages.
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Required: i>clicker2Required: i>clicker2
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Required: i>clicker2Required: i>clicker2or i>clickeror i>clicker
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Required: i>clicker2Required: i>clicker2or i>clickeror i>clickeror i>clicker GO appor i>clicker GO app
Use i>clicker GO at your own
risk!
Slow internet connections
may cause you to lose points
during clicker quizzes.
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i>clicker2i>clicker2 Rent used—$26.00 Rent used—$26.00 Rent new—$33.80 Rent new—$33.80 Buy used—$39.00Buy used—$39.00 Buy new—$52.00Buy new—$52.00 ii>clicker GO—$10/180 days >clicker GO—$10/180 days use at your own risk* use at your own risk*
*I cannot solve i>clicker GO *I cannot solve i>clicker GO login/connection problemslogin/connection problems
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One Blue Scantron from One Blue Scantron from ASNMSU (options A-J)ASNMSU (options A-J)
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What else do you need?What else do you need?
Rarely
X
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Why Not?Why Not?
Calculations don’t Always = understanding
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What else do you need?What else do you need?
Curiosity
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Course PoliciesCourse Policies
GradingGrading 5-10 Clicker questions/day (scaled) = 25%5-10 Clicker questions/day (scaled) = 25% 2 Exams (100 points each)2 Exams (100 points each) = 40% = 40% 1 Comprehensive Final1 Comprehensive Final = 35% = 35%
Above point system subject to minor changesAbove point system subject to minor changes
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Clicker QuestionsClicker Questions
Beginning of class:Beginning of class:2-3 questions based on reading assignment2-3 questions based on reading assignment
During ClassDuring Class3-7 questions based on lecture 3-7 questions based on lecture
or on or on ““Materials MomentsMaterials Moments””
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Extra Credit OpportunityExtra Credit Opportunity
The Materials MomentThe Materials MomentMore information coming soonMore information coming soon
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Grading ScaleGrading Scale
90-100% 90-100% = A= A80-90%80-90% = B= B70-80% 70-80% = C= C60-70% 60-70% = D= DBelow 60% Below 60% = F= F
Final Score = the higher of:Final Score = the higher of:• • Average of all scores Average of all scores • • Final Exam ScoreFinal Exam Score
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Important datesImportant dates
Last Day to withdraw with a Last Day to withdraw with a ““WW ””: : Tuesday, 11 MarchTuesday, 11 March
Final Exam: Final Exam: Monday, 5 MayMonday, 5 May
10:30-12:3010:30-12:30JH 283JH 283
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Borderline gradesBorderline grades
Extra credit and class participation Extra credit and class participation
move you up to the next letter grade.move you up to the next letter grade.
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AttendanceAttendance Attendance is encouragedAttendance is encouraged
Make-up examsMake-up exams• Written justification requiredWritten justification required• Must be taken in advance of assignmentMust be taken in advance of assignment
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Clicker PoliciesClicker Policies You may consult text or neighbors (unless You may consult text or neighbors (unless
instructed otherwise)instructed otherwise)
You must be present in class to voteYou must be present in class to vote
Lowest two clicker scores will be dropped Lowest two clicker scores will be dropped to allow for forgotten/malfunctioning to allow for forgotten/malfunctioning clickers.clickers.
No make-ups for clickers except for No make-ups for clickers except for excused absences. (See syllabus.)excused absences. (See syllabus.)
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HonestyHonesty
Honesty is the only policy.Honesty is the only policy.
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Classroom CourtesyClassroom Courtesy
Please be courteous w/ electronicsPlease be courteous w/ electronics
Participate in class discussionsParticipate in class discussions
Ask QuestionsAsk Questions
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PowerPoint SlidesPowerPoint Slides
Posted on Canvas the morning before Posted on Canvas the morning before classclass
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Keys to SuccessKeys to Success
How many hours should you spendHow many hours should you spendoutside of classoutside of class
to earn an to earn an A or B?A or B?
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Keys to SuccessKeys to SuccessBased on research on learningBased on research on learning
1.1. Take notes on reading assignment Take notes on reading assignment before coming to class (about 1 hour)before coming to class (about 1 hour)
2.2. Take notes in class on anything you Take notes in class on anything you don’t remember from textbook notesdon’t remember from textbook notes
3.3. Spend 20 minutes MWF afternoon Spend 20 minutes MWF afternoon combining your two sets of notes (combining your two sets of notes (1 & 21 & 2))
4.4. Over weekend, spend one hour Over weekend, spend one hour reviewing your notes.reviewing your notes.
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Keys to Success, contKeys to Success, cont’’dd
If you follow my advice,If you follow my advice,
You spend 2 hrs 20 minutes per week.You spend 2 hrs 20 minutes per week.No need to cram for exams.No need to cram for exams.
The day before an exam, spend about 2 The day before an exam, spend about 2 hours studying.hours studying.
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The Course ScheduleThe Course Schedule
explainedexplained
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Why am I here?Why am I here?
A.A. Because my major requires it.Because my major requires it.
B.B. Because I live in a Material world.Because I live in a Material world.
C.C. Because it is the most important course Because it is the most important course I will ever take.I will ever take.
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Why am I here?Why am I here?
A. Because my major requires it.A. Because my major requires it.
B. Because I live in a Material world.B. Because I live in a Material world.
C. Because it is the most important course C. Because it is the most important course I will ever take.I will ever take.
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Reading Assignment for TodayReading Assignment for TodayCallister and RethwischCallister and Rethwisch
Chapter 1Chapter 1–Motivation–Motivation
– –Basics of MaterialsBasics of Materials
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DefinitionsDefinitions
Materials ScienceMaterials Science Materials ScientistMaterials Scientist
Materials EngineeringMaterials EngineeringMaterials EngineerMaterials Engineer
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InterrelationshipsInterrelationships
Performance
Processing
Structure
Composition
Properties
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Primary Classes of MaterialsPrimary Classes of MaterialsCompositionComposition
MetalsMetals
CeramicsCeramics
PolymersPolymers
CompositesComposites
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Metals: High-carbon SteelMetals: High-carbon Steel
High-Carbon Steel High-Carbon Steel Jigsaw BladeJigsaw Blade
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Metals: TitaniumMetals: Titanium
““ObtaniumObtanium”” bicycle bicycle shocks vs. steelshocks vs. steel
• • Weight reductionWeight reduction
• • Longer lifeLonger life
• • Closer true-spring rateCloser true-spring rate
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Ceramics: Tempered glassCeramics: Tempered glass
Tempered glass sink Tempered glass sink
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Ceramics: BorosilicatesCeramics: Borosilicates
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Ceramics: RefractoriesCeramics: Refractories
Silica refractory bricks:Silica refractory bricks:
Industrial furnaceIndustrial furnace
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Polymers: Vulcanized RubberPolymers: Vulcanized Rubber
Ice hockey requires a hard Ice hockey requires a hard disk of vulcanized rubber.disk of vulcanized rubber.
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Polymers: Thermoset PlasticsPolymers: Thermoset Plastics
Chemiplastica Chemiplastica melamine melamine
thermoset thermoset plasticsplastics resistant to resistant to heat, chemicals, heat, chemicals, moisture, electricity moisture, electricity and scratching.and scratching.
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Polymers: PlasticizersPolymers: Plasticizers
Our plasticizers impart Our plasticizers impart impact resistance, impact resistance, improve low-temperature improve low-temperature flexibility of fused films flexibility of fused films and provide thermal and and provide thermal and light stability.light stability.
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CompositesComposites
Concrete Concrete
reinforced with reinforced with rebarrebar
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CompositesComposites
Fiberglass kayakFiberglass kayak
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Composites: Ceramic matrixComposites: Ceramic matrix
Ceramic disc brakes:Ceramic disc brakes:
Ceramic rods in a Ceramic rods in a ceramic matrixceramic matrix
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InterrelationshipsInterrelationships
Performance
Processing
Structure
Composition
Properties
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ProcessingProcessing
Processing determines Processing determines propertiesproperties
Example:Example:
Raw timberRaw timber
vs.vs.
PaperPaper
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ProcessingProcessing Clay becomes Fired clay pottery
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InterrelationshipsInterrelationships
Performance
Processing
Structure
Composition
Properties
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SEM: Clay vs. Fired ClaySEM: Clay vs. Fired Clay
1 2
3 Discrete clay &
quartz particles melt
& fuse into vitreous
material.
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StructuresStructuresExample: BCC crystal: MolybdenumExample: BCC crystal: Molybdenum
Subatomic Atomic
Microscopic Macroscopic
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InterrelationshipsInterrelationships
Performance
Processing
Structure
Composition
Properties
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Material PropertiesMaterial Properties
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PropertiesProperties
Brittleness
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PropertiesPropertiesResponse to imposed stimulus.Response to imposed stimulus.[If I drop it (stimulus), will it break (response)?][If I drop it (stimulus), will it break (response)?]
mechanicalmechanical
electricalelectrical
thermalthermal
deteriorative deteriorative
magneticmagnetic
opticaloptical
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Mechanical Property:Mechanical Property:Elasticity–recoverable Elasticity–recoverable
deformationdeformation
Paper clip Paper clip under normal useunder normal use
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Mechanical Property:Mechanical Property:Plasticity—permanent Plasticity—permanent
deformationdeformation
Paper clip Paper clip
under abuseunder abuse
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Plasticity by designPlasticity by design
Radial profile Radial profile
segmentssegments
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Plasticity by accidentPlasticity by accident
Street lamp Street lamp
damaged during damaged during
storm storm (Bridgeport, CN)(Bridgeport, CN)
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BrittlenessBrittleness
Pressure vessel Pressure vessel fails during fails during hydraulic testhydraulic test
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CorrosivenessCorrosiveness
Corroded ship at Corroded ship at GuantanamoGuantanamo
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InterrelationshipsInterrelationships
Performance
Processing
Structure
Composition
Properties
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The Humble HangerThe Humble Hanger
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Humble Hanger: Humble Hanger: What determines performance?What determines performance?
Performance
Processing
Structure
Composition
Properties
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The Humble HangerThe Humble Hanger
Coat hanger in 1880s schoolhouse
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The Humble HangerThe Humble Hanger
Hanger Patents
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The Humble HangerThe Humble Hanger
Hanger Patents
![Page 70: ChE 361 Engineering Materials. Syllabus and Course Schedule Complete version posted on Canvas](https://reader036.vdocuments.us/reader036/viewer/2022062314/56649ea25503460f94ba6af2/html5/thumbnails/70.jpg)
Reading Assignment:Reading Assignment:Callister and RethwischCallister and Rethwisch
Chapter 2Chapter 2
Atomic Structure and Bonding:Atomic Structure and Bonding:
2.1, 2.2, 2.4, 2.6–2.82.1, 2.2, 2.4, 2.6–2.8
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DefinitionsDefinitions Materials Science:Materials Science:
Study of relationships between Study of relationships between structures*structures* and and properties*properties* of materials. of materials.
*Defined on next slides*Defined on next slides
Materials Scientists:Materials Scientists:Develop new materials, perfect existing ones.Develop new materials, perfect existing ones.
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DefinitionsDefinitions
Materials Engineering: Materials Engineering: Use knowledge of Materials Science to design:Use knowledge of Materials Science to design:
products that perform without failure.products that perform without failure.
processing techniques for materials.processing techniques for materials.
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Primary Classes of MaterialsPrimary Classes of Materials
MetalsMetals——Al, Fe, Ni, Cr, Ti, etcAl, Fe, Ni, Cr, Ti, etc..
CeramicsCeramics——Metallic-nonmetallic compoundsMetallic-nonmetallic compounds (Glass, Concrete, porcelain, etc.)(Glass, Concrete, porcelain, etc.)
PolymersPolymers——Plastic, rubber, nylon, etc.Plastic, rubber, nylon, etc.