a) Based on Table Q2, describe the relationship of hardness and ductility. b) Suggest two methods to improve the hardness of steels by referring to Table Q2. c) Elaborate the reasons the two methods in Q2(b) can be used to improve the hardness of steels.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Table Q2
Steel
(Low
Low Carbon
Medium Carbon
High Carbon
Alloys)
(<0.25 wt% C)
(0.25 – 0.6 wt% C)
(0.6 – 1.4 wt% C)
Туре
With
With
With
Plain
Plain
Plain
Property
Additive
Additive
Additive
Hardness
Low
Medium
Medium
High
High
Very high
Ductility
High
Medium
Medium
Low
Low
Very low
A mechanical properties table with different type of steels is shown in Table Q2.
a) Based on Table Q2, describe the relationship of hardness and ductility.
b) Suggest two methods to improve the hardness of steels by referring to Table Q2.
c) Elaborate the reasons the two methods in Q2(b) can be used to improve the hardness of steels.
Transcribed Image Text:Table Q2 Steel (Low Low Carbon Medium Carbon High Carbon Alloys) (<0.25 wt% C) (0.25 – 0.6 wt% C) (0.6 – 1.4 wt% C) Туре With With With Plain Plain Plain Property Additive Additive Additive Hardness Low Medium Medium High High Very high Ductility High Medium Medium Low Low Very low A mechanical properties table with different type of steels is shown in Table Q2. a) Based on Table Q2, describe the relationship of hardness and ductility. b) Suggest two methods to improve the hardness of steels by referring to Table Q2. c) Elaborate the reasons the two methods in Q2(b) can be used to improve the hardness of steels.
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