MTS 501 Study Guide

* - information added on Monday night

Chemistry and Physics

* know the types of bonds and how they influence materials' properties

understand bonding and hybridization in bonding

work with molar mass (molecular weight) and stoichiometry

work with electronegativity, electron affinity, and ionization energy

how to determine electron configurations of an element using the periodic table

know molecular orbital shapes (s and p)

Crystal Structures

identify or define the 7 crystal structures and 14 Bravis lattices

be able to explain or give examples of

anisotropic and isotropic behavior

polymorphic and allotropic materials

crystalline, amorphous, and polycrystalline materials

* basic types of x-ray diffraction (Laue, single crystal, powder ...)

for crystals in the cubic or HCP system

calculate unit cell volume from from atom radius

know the number of atoms per unit cell and coordination numbers of atoms

determine Miller indices of any direction and draw arrows of any given Miller indices

determine Miller indices of any plane and draw planes of given Miller indices

know the close packed planes in the crystal

identify all low index families of directions or planes

for any given low index plane or set of planes

show a top view of the plane and the unit cell in the plane

determine the Miller indices of any given direction in the plane

draw a vector of a given Miller indices on or relative to the plane

for crystals in the cubic system only

determine density and packing factor in any plane or in any unit cell (volume)

calculate inter-planar spacings

use Bragg's law with applicable restrictions

* know all aspects of the octahedral and tetrahedral interstitial sites

* for non-metal crystals

know the NaCl, CsCl, diamond, and zinc blende structures

* Amorphous Materials

identify amorphous materials

describe the behavior of glassy and crystalline materials

determine ASTM grain size

Lattice Imperfections

identify edge and screw dislocations

define the direction and length of the Burgers' vector

specify slip planes, slip directions, and slip systems in cubic crystal systems

* determine active slip systems in cubic crystal systems under applied stress

explain the differences between slip in FCC and BCC systems

use Schmid's law

* identify and describe all types of point, line, planar, and volume defects

* know how to calculate defect concentrations

* a side note about defects

Atom Movement

identify and describe diffusion mechanisms (vacancy, interstitial ...)

distinguish volume, grain boundary, and surface diffusion

use Fick's first or second law

show how concentration changes with time, temperature, or distance during diffusion

Nucleation and Solidification

explain nucleation phenomena

calculate critical radii for nucleation to occur

show a Temperature-time diagram for homogeneous or heterogeneous cooling

explain planar and dendritic solidification

determine the relative amount of dendrites

Phase Diagrams

use the Gibb's Phase Rule

explain and use the Hume-Rothery rules

read all aspects of equilibrium or non-equilibrium binary isomorphous phase diagrams

read all aspects of equilibrium and non-equilibrium complex binary phase diagrams

* relate thermodynamics of mixing to the shape of a phase diagram

reproduce the Fe + C phase diagram

explain how to map a phase diagram

Phase Transformations

show microstructures of materials for any type of transformation process

use the Avrami equation

reproduce the eutectoid Fe + C IT diagram

know what happens to an IT diagram going off eutectoid compositions

use any type of IT or CT diagram

Mechanical Properties

give basic examples of each of the mechanical test methods covered

define or give specific examples of the basic terminology for mechanical properties

* relate macroscopic mechanical behavior to microscopic behavior of atoms

* Supplimental Information

crystallography and symmetry notations

structure factors for x-ray diffraction

reciprocal lattices

thermodynamics of phase diagrams