Metals and Alloys
What is the main element used to make brass?
Copper
What type of crystal structure do most noble metals, such as gold and silver, have?
FCC
Able to last under strong abrasion for a long time
Wear Resistance
Units of Density
Mass per volume (g/cm3, g/mL)
Where is TMS being held this year?
Vegas, baby
Which element is added into steel to improve hardness through carbide formation?
Carbon
What is the packing efficiency of a body-centered cubic (BCC) structure?
68%
A value describing the inversely resulting elongation periductular to deformation
Poisson's ratio
Type of test to measure flexural strength
Bend test
What material is gathered like syrup?
Rubber
What is the primary reason for heat treating metals like aluminum and steel?
to improve mechanical properties, such as strength or hardness?
What type of defects involve a missing atom in a crystal lattice?
Vacancy
A solid-state material comprising of two or more well ordered metals
Intermetallic
Type of test to measure brittleness
Tension, may very
Knowing the effect of quenching on microstructures, what is the effect of quenching on superalloys
Softening and increased ductility
What is the term for the phenomenon where a solid solution alloy exhibits a maximum solubility limit at a specific temperature?
solvus line
In crystallography, what is denoted by curly braces {hkl}?
A family of planes
Used today in efficient recycling of metals, this three letter abbreviated process is quite flashy
Electric Arc Furnace
Main differentiator of the hardness tests
Shape of pressing head
Melting aluminum and iron in an EAF process, what will the slag be primarily composed off
Alumina
What is the main advantage of superalloys like those used in jet engines?
high-temperature strength and oxidation resistance
What is the term for a crystal system where all three lattice parameters are different, and none of the angles between them are 90 degrees?
triclinic
The effect of strong radioactive bombardment on a lattice
Catastrophic Vacancy Formation or irradiation
To measure electrical conductivity, you’re measuring it’s electrical….what?
Resistance
An industry standard polymer leveraging strong inter-chain attraction for extraordinary toughness
Kevlar