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Atomic Bonding |
MATERIAL SCIENCE
Module I Structure of Metals
REFERENCES
Academic Program for Nuclear Power Plant Personnel,Volume
III, Columbia, MD, General Physics Corporation, Library of Congress Card #A
326517, 1982.
Foster and Wright, Basic Nuclear Engineering, Fourth
Edition, Allyn and Bacon, Inc., 1983.
Glasstone and Sesonske, Nuclear Reactor Engineering,Third Edition, Van Nostrand Reinhold Company, 1981.
Metcalfe, Williams, and Castka, Modern Chemistry,Holt, Rinehart, and Winston, New York, NY, 1982.
Reactor Plant Materials,General Physics
Corporation, Columbia Maryland, 1982.
Savannah River Site, Material Science Course,CS-CRO-IT-FUND-10,
Rev. 0, 1991.
Tweeddale, J.G., The Mechanical Properties of Metals
Assessment and Significance,American Elsevier Publishing Company,
1964.
Weisman, Elements of Nuclear Reactor Design,Elsevier
Scientific Publishing Company, 1983.
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.
1.10 DEFINE the term alloy.
1.11
DESCRIBE an alloy as to the three
possible microstructures and the two general characteristics as compared to
pure metals.
1.12 IDENTIFY the two desirable properties of
type 304 stainless steel.
1.13 IDENTIFY the three types of microscopic
imperfections found in crystalline structures.
1.14 STATE how slip occurs in crystals.
1.15 IDENTIFY the four types of bulk defects.
BONDING
The
arrangement of atoms in a material determines the behavior and properties of
that material. Most of the materials
used in the construction of a nuclear reactor facility are metals. In this chapter, we will discuss the various
types of bonding that occurs in material selected for use in a reactor facility. The Chemistry Handbook discusses the bonding types in more
detail.
EO
1.1STATE the five types of bonding that
occur in materials and their characteristics.
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