Following data were gathered from a series of Charpy impact tests on a ductile cast iron. Temperature (°C) Impact Energy (J) -25 124 -50 123 -75 115 -85 100 -100 73 -110 52 -125 26 -150 9 -175 (a)...


Following data were gathered from a series of Charpy impact tests on a ductile<br>cast iron.<br>Temperature (°C)<br>Impact Energy (J)<br>-25<br>124<br>-50<br>123<br>-75<br>115<br>-85<br>100<br>-100<br>73<br>-110<br>52<br>-125<br>26<br>-150<br>9<br>-175<br>(a) Plot the data as impact energy versus temperature.<br>(b) Determine a ductile-to-brittle transition temperature as that temperature<br>corresponding to the average of the maximum and minimum impact energies.<br>(c) Determine a ductile-to-brittle transition temperature as that temperature at<br>which the impact energy is 80 J.<br>

Extracted text: Following data were gathered from a series of Charpy impact tests on a ductile cast iron. Temperature (°C) Impact Energy (J) -25 124 -50 123 -75 115 -85 100 -100 73 -110 52 -125 26 -150 9 -175 (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. (c) Determine a ductile-to-brittle transition temperature as that temperature at which the impact energy is 80 J.

Jun 10, 2022
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