* Following is tabulated data that were gathered from a series of Charpy impact tests on a tempered 4340 steel alloy. Temperature (T): Impact Energy (J): -25 -50 -75 -100 -113 -125 -150 -175 -200 105 104 103 97 63 40 34 28 25 24 (a) Plot the data as impact energy versus temperature. (b) Determine a ductile-to-brittle transition temperature as that temperature corresponding to the average of the maximum and minimum impact energies (ET= (Emax + Emin )/2). (c) Determine a ductile-to-brittle transition temperature as that temperature at which the impact energy is 50 J.
* Following is tabulated data that were gathered from a series of Charpy impact tests on a tempered 4340 steel alloy. Temperature (T): Impact Energy (J): -25 -50 -75 -100 -113 -125 -150 -175 -200 105 104 103 97 63 40 34 28 25 24 (a) Plot the data as impact energy versus temperature. (b) Determine a ductile-to-brittle transition temperature as that temperature corresponding to the average of the maximum and minimum impact energies (ET= (Emax + Emin )/2). (c) Determine a ductile-to-brittle transition temperature as that temperature at which the impact energy is 50 J.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Answer for B and C
Transcribed Image Text:* Following is tabulated data that were gathered from a series of Charpy impact tests on a
tempered 4340 steel alloy.
Temperature (T):
Impact Energy (J):
-25
-50
-75
-100
-113
-125
-150
-175
-200
105
104
103
97
63
40
34
28
25
24
(a) Plot the data as impact energy versus temperature.
(b) Determine a ductile-to-brittle transition temperature as that temperature corresponding to
the average of the maximum and minimum impact energies (ET= (Emax + Emin )/2).
(c) Determine a ductile-to-brittle transition temperature as that temperature at which the
impact energy is 50 J.
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