Metal Properties

Front 1

hydrogen in the molten weld can cause

Back 1

cracking and porosity

Front 2

which alloying element is commonly added to steel to improve corrosion resistance?

Back 2

Chromium

Front 3

which alloying element is generally considered to have the most pronounced effect on the properties and performance of carbon steel

Back 3

carbon

Front 4

for plain carbon steels their approximate tensile strength can be estimated by muliplying their BHN by

Back 4

500

Front 5

in charpy testing the test temperature is

Back 5

very important

Front 6

a slower cooling rate and wider heat affected zone is a result of

Back 6

preheat

Front 7

hydrogen, oxygen, and nitrogen can all cause embrittlement in carbon steels

Back 7

true

Front 8

hydrogen, oxygen, and nitrogen can all cause embrittlement in carbon steels

Back 8

true

Front 9

the metal property that relates to a metals deforming without failing is called

Back 9

ductility

Front 10

the property that describes the ability of a metal to deform when stresses is

Back 10

ductility

Front 11

the yield strength of a material is determined by

Back 11

tensile testing & the offset methods

Front 12

a metals ductility can be expressed as

Back 12

percent elongation & percent reduction of area

Front 13

gage marks on a tensile specimen are

Back 13

spaced a set distance apart & used for calculating percent elongation

Front 14

the brinell hardness test is always a destructive test

Back 14

false

Front 15

•nick break

•side bend

•face bend

•radiography

are effective for judging the

Back 15

soundness of a weld

Front 16

what can be used to judge the soundness of a weld

Back 16

nick break

side bend

face bend

fillet break

Front 17

the objective of the guided bend test is to break the sample

Back 17

false

Front 18

surface preparation is not an important step in destructive testing

Back 18

false

Front 19

the fillet weld break test is used to evaluate the

Back 19

quality of the fracture weld

Front 20

vickers and knoop test are both

Back 20

microhardness tests

Front 21

which property cannot be determined from a tensile test

Back 21

impact strength

Front 22

which test will generally be used to determine the behavior of a metal at a specific temperature

Back 22

charpy impact test

Front 23

what type of test uses a weighted pendulum which strikes a notch test specimen

Back 23

charpy impact test

Front 24

the family of hardness test that uses both a minor and major load is called

Back 24

rockwell

Front 25

which test is not considered a soundness test

Back 25

hardness

Front 26

foot pounds energy absorbed, lateral expansion, percent shear are all test data collected with what test method

Back 26

charpy testing

Front 27

impact strength decreases

tensile strength increases

ductility decreases

hardness increases

when the temperature of the base metal

Back 27

decreases

Front 28

the property of a material that best relates to its resistance to impact loading is

Back 28

fracture toughness

Front 29

fracture toughness results will often be expresses in terms of

Back 29

breaking energy

Front 30

generally, as strength increases for carbon steel the ductility

Back 30

decreases

Front 31

notch toughness and impact strength are not synonymous

Back 31

false

Front 32

for plain carbon steels how are hardness and tensile strength related

Back 32

increase hardness increase tensile strength

Front 33

the ability to be cyclically loaded without failing is relates to which property of a metal

Back 33

fatigue strength

Front 34

a materials ductility is commonly expressed in terms of

Back 34

percent elongation and reduction of area

Front 35

in which direction does a rolled plate of carbon steel usually exhibit its least amount of ductility

Back 35

in the through thickness direction aka "z direction"

Front 36

the material property that best describes its ability to withstand a static load is

Back 36

tensile strength

Front 37

which metal properties are directly related

Back 37

•strength and hardness

•ductility and toughness

Front 38

the point at which a metals behaviour changes from elastic to plastic (onset permanent deformation) is referred to as

Back 38

yield strength

Front 39

the property of metals that describe their ability to carry a load is

Back 39

strength

Front 40

the offset method is used for determining which property

Back 40

yield strength

Front 41

the property of metals that describe their ability to carry a load is

Back 41

strength

Front 42

the material property expressed in terms of an endurance limit is

Back 42

fatigue strength

Front 43

the type of strength related to a metals behavior when the load is applied ina cyclic manner is

Back 43

fatigue

Front 44

endurance limit is an expression used for what type of testing

Back 44

fatigue

Front 45

i general an increase in the carbon equivalent of a carbon steel will result in an increase in its

Back 45

hardness

Front 46

the property of metals that describes their resistance to indentation is called

Back 46

hardness

Front 47

the ability of a metal to absorb energy is called

Back 47

toughness