Answers
a) 3. Ductile to Brittle Transition Temperature DBTT
b) 6. The blue curve is 1018 steel and red curve is 1045 steel.
c) 4.
Ii) Shiny surface
iv) Not deformed, cleavage failure.
d) 4. i) Dull and fibrous surface.
iii) Plastically deformed.
e) Carbon percentage of 0.14 to 0.2%C would provide safest steel for design.
b 1018 steel Impact LA 1045 steed. Energy. Temperature CS Scanned with CamScanner
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