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Metallurgy ch. 4
Metallurgy ch. 4
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09/17/2013

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Term
HOW METALS ACT UNDER STRESS
Definition
mechanical
Term
HOW METALS REACT WITH ENVIRONMENT
Definition
chemical
Term
ELECTROMAGNETIC CHARACTERISTICS
Definition
electrical
Term
HEAT CHARACTERISTICS
Definition
thermal
Term
MASS, DENSITY, ETC property?
Definition
physical
Term
FORCE/AREA
Definition
stress
Term
CHANGE OF DIMENSION/ORIGINAL DIMENSION
Definition
strain
Term
ABILITY TO DISTORT WITHOUT BREAKING
Definition
flexibility
Term
RETURN TO ORIGINAL DIMENSIONS
Definition
elasticity
Term
PERMANENTLY DEFORM W/O BREAKING
Definition
plasticity
Term
FORMABLE INTO USEFUL SHAPES
Definition
malleability
Term
STRESS/STRAIN (YOUNG’S)
Definition
MODULUS OF ELESTICITY
Term
(LATERIAL STRAIN/AXIAL STRAIN)(-1)
Definition
poisson's ratio
Term
SLOW PLASTIC FLOW OVER TIME
Definition
creep
Term
Strain is proportional to Stress which means a straight line graph
Definition
Proportional Limit
Term
Beyond this point permanent deformation takes place.
Definition
Elastic Limit
Term
Strain increases with no increase in stress
Definition
Yield point
Term
Point where a change in x-sectional are occurs (necking)
Definition
Ultimate Strength
Term
Failure occurs
Definition
Rupture Strength
Term
RESIST PENETRATION
Definition
hardness
Term
RESIST FORCES OR LOADS
Definition
strength
Term
LITTLE DEFORMATION BEFORE FRACTURE
Definition
brittleness
Term
GREAT DEFORMATION BEFORE FRACTURE
Definition
ductility
Term
APPLIED FORCE/UNIT AREA
Definition
stress
Term
PULLING APART
Definition
tensile strength
Term
SQUEEZING TOGEATHER
Definition
compressive strength
Term
SLIDING PAST
Definition
shear strength
Term
TWISTING
Definition
torsional strength
Term
BENDING
Definition
flexural strength
Term
REPEATED STRESS LOADING
Definition
fatigue strength
Term
SHOCK OR IMPACT STRESS
Definition
toughness
Term
BASICALLY SAME AS TOUGHNESS
Definition
impact strength
Term
types of tensile failures
Definition
*brittle
*ductile
Term
DISIMILAR METALS
Definition
GALVANIC CORROSION
Term
CAUSED BY INCONSISTANCIES IN THE ATOMIC COMPOSITION OF THE METAL
Definition
pitting
Term
GRAIN BOUNDARY PROBLEM
Definition
INTERGRANULAR CORROSION
Term
RESIDUAL STRESS BY PROCESSING
Definition
STRESS CORROSION CRACKING.
Term
ABILITY OF A METAL TO KEEP CURRENT FROM GOING TO GROUND.
Definition
DIELECTRIC STRENGTH
Term
ABILITY TO MAGNETIZE A METAL, FERROUS METALS HIGH, NONFERROUS LOW.
Definition
MAGNETIC SUSCEPTIBILITY
Term
AMOUNT OF HEAT NEEDED
TO RAISE A UNIT MASS ONE
DEGREE
Definition
specific heat
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