Who is the chairman of the MSE department?
Greek God: Dr. Meletis
What is an alloy?
A material that is a combination of two or more metals.
What does SEM stand for?
Secondary Electron Microscopy
Drude assumed that electrons have intermolecular interactions (F = 0). True or False?
False.
What is the equation for Young's Modulus?
E = /
What does CCMB stand for?
Characterization Center for Materials & Biology
What the two types of entropy?
Configuration & Thermal
What does DSC stand for?
Differential Scanning Calorimetry
What is the second law of thermodynamics?
In a closed system, when energy exchange is allowed, entropy remains the same or increases.
Name three strengthening mechanisms.
1. Grain boundary
2. Impurity Atoms (defects)
3. Particle Hardening
Ceramics do experience plastic deformation. True or False?
False.
What is the level rule used for?
It is used to determine the composition of an alloy at a specific point in a phase diagram.
What is the two rules for reciprocal lattice?
1. RL vector is perpendicular to real space plane (hkl)
2. K(hkl) is inversely proportional to real space interplanar spacing
What is entropy?
S = kBln(g)
For Griffith's theory, what two competing forces form a crack?
Elastic strain energy (driving force) & Surface energy (resistance force)
What is the most conductive metal out there?
Silver.
What are the two types of nucleation?
Homogenous & Heterogenous
What is the equation for Bragg's Law?
n(lambda) = 2dsin(theta)
What is the relationship between entropy and temperature?
They are inversely proportional
What is the most favorable slip plane and slip direction for a BCC lattice?
(110) and [111]
Solve this classical thermodynamic problem: (dG/dV)T,N (2 minutes).
-1/KT
Rank the following interfacial energy for FCC lattice from highest to lowest: (110), (100), (111)
(100) > (110) > (111)
Which university did Dr. Kim receive his Ph.D. from?
University of California, Berkeley
Under Sommerfield's model, what is the velocity of an electron @ 0 K?
1000 km/s
When did Dr. Yum join UTA as a professor?
2013