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MTL 200 FINAL EXAM QUESTIONS AND ANSWERS $9.00   Add to cart

Exam (elaborations)

MTL 200 FINAL EXAM QUESTIONS AND ANSWERS

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  • MTL200
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  • MTL200

MTL 200 FINAL EXAM QUESTIONS AND ANSWERS

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  • September 23, 2024
  • 47
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • MTL200
  • MTL200
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41 Multiple choice questions

Term 1 of 41
phase types in a composite

Particle-Reinforced
Fiber-Reinforced
Structural


Matrix/continuous phase
Dispersed (Reinforcement) Phase


Whiskers
fibers
wires

softens when heated, hardens when cooled, reversable

Term 2 of 41
liquidus line

solid on bottom

whiskers
fibers
wires

liquid on top


-laminates
-sandwich panels

,Term 3 of 41
Conditions for Diffraction in;
FCC?
BCC?

-atomic migration in pure metals
-migration of atoms from one metal to another metal


FCC= h,k and l must all be odd or even
BCC=h,k and l must add up to an even number


-make tie line
-take value of opposite section and divide by whole

(planes), <family of directions>, {family of planes}, [directions]

Term 4 of 41
What is a Sandwich panel?

-honeycomb core between two sheets
benefits: low density, large stiffness




-very strong under tension




smaller atoms squeeze in between big atoms




where one solid meets two other solids

,Term 5 of 41
Types of Corrosion

1. Uniform
2. Galvanic
3. Crevice
4. Pithing
5. Interegramular
6. Selective leading
7. Erosion- corrosion
8. Stress Corrosion

Isotactic- Repeats on same side
Syndiotactic- Repeats alternate sides
Atactic-in random poitions

1. material selection
2. environmental alteration
3. design
4.coating
5 Cathodic protection ( supplying electrons to make metal a cathode)

Cis- CH3 and H on same side
Trans- CH3 and H on opposite sides

Term 6 of 41
FCC Structure. atoms?Formula?

Whiskers
Fibers
Wires

4 atoms
4R=√2 a

Quartz
Cristobalite
Tridymite

4, 6 , and 8

, Term 7 of 41
What is;
Self-Diffusion?
Inter-Diffusion?

(planes), <family of directions>, {family of planes}, [directions]

negative
oxidation occurs

-atomic migration in pure metals
-migration of atoms from one metal to another metal

-make tie line
-take value of opposite section and divide by whole

Term 8 of 41
Meaning of paranthesis;
( ),< >, { }, [ ]

(planes), <family of directions>, {family of planes}, [directions]

-make tie line
-take value of opposite section and divide by whole

FCC= h,k and l must all be odd or even
BCC=h,k and l must add up to an even number

-atomic migration in pure metals
-migration of atoms from one metal to another metal

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