Chapter 9: Engineering Alloys

Question 1

Cementite

Answer 1

Fe3C (also called iron carbide)

Question 2

eutectic

Answer 2

liquid –> solid1 +solid2

Question 3

eutectoid

Answer 3

solid1 –> solid2 + solid3

Question 4

austenite

Answer 4

gamma iron

Question 5

pearlite

Answer 5

alpha cementite

Question 6

where does proeutectoid exist??

Answer 6

above and below the eutectoid point

Question 7

how do you form martensite?

Answer 7

rapidly cool

Question 8

annealing is?

Answer 8

relieving material stresses

Question 9

Is plain carbon low or high alloy?

Answer 9

plain carbon = low alloy

Question 10

what is ‘wrought’

Answer 10

the alloy has been worked

Question 11

what is casting?

Answer 11

the alloy is poured as a liquid into a near finished form (more brittle)