Exam (elaborations)
MTL 200 FINAL EXAM QUESTIONS AND ANSWERS
- Course
- Institution
MTL 200 FINAL EXAM QUESTIONS AND ANSWERS
[Show more]
Content preview
Name: Score: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
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller selftest. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.00. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
78600 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now