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Plastics, Elastomers, and Oils |
Structure of Metals
DOE-HDBK-1017/1-93
OBJECTIVES
TERMINAL OBJECTIVE
1.0
Without references, DESCRIBE the bonding and patterns that effect the structure of a
metal.
ENABLING OBJECTIVES
1.1
STATE the five types of bonding that occur in materials and their characteristics.
1.2
DEFINE the following terms:
a.
Crystal structure
b.
Body-centered cubic structure
c.
Face-centered cubic structure
d.
Hexagonal close-packed structure
1.3
STATE the three lattice-type structures in metals.
1.4
Given a description or drawing, DISTINGUISH between the three most common types
of crystalline structures.
1.5
IDENTIFY the crystalline structure possessed by a metal.
1.6
DEFINE the following terms:
a.
Grain
b.
Grain structure
c.
Grain boundary
d.
Creep
1.7
DEFINE the term polymorphism.
1.8
IDENTIFY the ranges and names for the polymorphism phases associated with uranium
metal.
1.9
IDENTIFY the polymorphism phase that prevents pure uranium from being used as fuel.
Rev. 0
Page v
MS-01
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