There are 30 questions in this set. 1. Crystal plane orientations in a unit-cell can affect __ and __.
a. amorphous nucleation; ceramic formation
b. amorphous growth; polymer formation
c. crystal nucleation; metal formation
d. crystal growth; metal deformation
e. none of the above - Answers✔d. crystal growth; metal deformation
2. When indexing or drawing crystal orientations, round brackets or parentheses are used to
indicate indices for __.
a. families of planes
b. individual planes
c. individual directions
d. families of directions
e. none of the above - Answers✔b. individual planes
3. When indexing or drawing crystal orientations, curly brackets are used to indicate indices for
__.
a. families of planes
b. individual planes
c. individual directions
d. families of directions
e. none of the above - Answers✔a. families of planes
ALL RIGHTS RESERVED.
4. A crystallographic plane in a unit cell can be indexed using __ of the plane with the __ unit-
cell __.
a. intercepts; 3; axes
b. axes; free; directions
c. intercepts; 2; axes
d. axes; free; structure
e. faces; original; structure - Answers✔a. intercepts; 3; axes
5. A crystallographic plane's __ can be used to draw the plane in the unit cell.
a. HKL intercepts
b. HKL indices
c. HKL axes
d. uvw axes
e. xyz axes - Answers✔b. HKL indices
6. The planar packing factor of a crystallographic plane of a given crystal can affect the __ of
that __.
a. structure; crystal
b. properties; plane
c. structure; packing
d. properties; packing
e. factor; packing - Answers✔b. properties; plane
7. The atom planar-density of a crystallographic plane of a given crystal can affect the __ of that
__.
a. structure; crystal
b. properties; plane
c. structure; packing
d. properties; packing
ALL RIGHTS RESERVED.
8. A slip system is where a metal crystal __ on specific __ and along specific __ that are related
to the crystal structure of the metal.
a. forms; crystals; stresses
b. deforms; planes; stresses
c. forms; planes; directions
d. deforms; planes; directions
e. forms; crystals; directions - Answers✔d. deforms; planes; directions
9. Metals deform on __ planes and in __ directions.
a. close-packed; close-packed
b. loose-packed; loose-packed
c. close-packed; loose-packed
d. loose-packed; close-packed
e. none of the above - Answers✔a. close-packed; close-packed
10. Solid-state lasers are typically grown by __ deposition of __ of atoms on a specific __.
a. solid-phase; crystals; direction
b. solid-phase; directions; plane
c. liquid-phase; crystals; direction
d. vapor-phase; directions; plane
e. vapor-phase; layers; plane - Answers✔e. vapor-phase; layers; plane
11. Gems like diamond grow on __ that reveal the __ of the gem.
a. crystal directions; amorphous nature
b. crystal planes; amorphous nature
c. specific planes; crystal structure
d. specific directions; crystal structure
e. amorphous lattices; amorphous structure - Answers✔c. specific planes; crystal structure
12. To determine the Miller indices of a plane in a unit cell, we specify an origin at a __ of the
unit cell; record __ of the plane with the __; take the __ of the __; reduce these to the __ integer
values; enclose these in __.
ALL RIGHTS RESERVED.
a. center; intercepts; axes; reciprocals; intercepts; smallest; square brackets
b. corner; lengths; axes; reciprocals; intercepts; smallest; square brackets
c. corner; intercepts; planes; products; intercepts; smallest; parentheses
d. corner; intercepts; axes; reciprocals; intercepts; smallest; parentheses
e. corner; intercepts; planes; products; sides; largest; parentheses - Answers✔d. corner;
intercepts; axes; reciprocals; intercepts; smallest; parentheses
13. In the Miller indices for a plane, negative intercepts are represented by __ the indices.
a. minus before
b. bars above
c. minus after
d. square brackets before
e. angled brackets before - Answers✔b. bars above
14. A direction with the same indices as a plane is __ the plane.
a. parallel to
b. in
c. perpendicular to
d. on
e. around - Answers✔c. perpendicular to
15. If we are given the Miller indices of a plane, we do the following to draw it. Draw a __;
select an origin; invert the __ to obtain __ on the axes; mark the __ along the xyz axes; draw the
__ connecting the __.
a. crystal structure; indices; loci; focal points; direction; planar edges
b. unit cell; axes; intercepts; intercepts; plane; intercepts
c. crystal structure; indices; loci; focal points; plane; planar edges
d. crystal structure; axes; intercepts; intercepts; direction; planar edges
e. unit cell; indices; intercepts; intercepts; plane; intercepts - Answers✔e. unit cell; indices;
intercepts; intercepts; plane; intercepts
16. Dendrites in FCC materials grow on __ planes.
4
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 Brightstars. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.49. You're not tied to anything after your purchase.