Material Science

Question 1

fundamental classes

Answer 1

mettalic, ceramic, polymeric

Question 2

major

Answer 2

metals, ceramics, polymers, composites, advanced

Question 3

addition of other elements into a metal

Answer 3

alloying

Question 4

brass compostion

Answer 4

copper zinc

Question 5

bronze composition

Answer 5

copper zinc tin

Question 6

pewter compositiin

Answer 6

tin, copper, bismuth, antimony

Question 7

cast iron compositiin

Answer 7

iron, carbon, manganese, silicon

Question 8

steel composition

Answer 8

iron, carbon

Question 9

stainless steel composition

Answer 9

iron, chromium, nickel

Question 10

traditional process for making metallic components begins with melting of the metal or alloy

Answer 10

casting

Question 11

molten mass is poured into a mold

Answer 11

casting

Question 12

mayerials that have a large number of non localized electrons

Answer 12

metals

Question 13

highest electrical conductivity

Answer 13

silver

Question 14

not a refractory metal

Answer 14

lead

Question 15

behaves like iron

Answer 15

ferromagnetic

Question 16

weakly magnetic

Answer 16

paramagnetic

Question 17

not attracted/ repelled

Answer 17

diamagnetic

Question 18

used in modern, super strong permanent magnets

Answer 18

neodymiun

Question 19

give corrosion resistance

Answer 19

chromium

Question 20

true about refractory metals

Answer 20

resistant to heat

Question 21

super cooled liquids because they do nit crystallize when cooled

Answer 21

glass

Question 22

principal component of the white wares

Answer 22

clay

Question 23

employed at elevated temperature and often in reactive

Answer 23

refractories

Question 24

used to wear, grind, or cut away other material; diamond, silicon, carbide

Answer 24

abrasive ceramics

Question 25

when mixed with water, they form a paste

Answer 25

cement

Question 26

compounds of metallic and non metallic elements

Answer 26

ceramics

Question 27

lowering the temperature of a liquid below its melting point before it becomes solid

Answer 27

super cooling

Question 28

oxides, nitrides and carbides are main compositional of what

Answer 28

ceramics

Question 29

process where physical mixture of carbide and powdered metal is heated in order to solidify the powder into single piece

Answer 29

sintering

Question 30

gluing the powders together with glasses

Answer 30

vitrification

Question 31

composed of ceramics and metals

Answer 31

cermets

Question 32

ceramic materials are found on

Answer 32

group 1-5

Question 33

materials having a fracture strain of less than about 5%

Answer 33

brittle

Question 34

not a ceramic

Answer 34

carbon

Question 35

when all repeating units along a chain are of the same type

Answer 35

homopolymer

Question 36

chains may be composed of two or more different repeat units

Answer 36

copolymer