2. The table below shows the data obtained during the series of Charpy impact tests on...
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2. The table below shows the data obtained during the series of Charpy impact tests on a commercial low-carbon steel alloy. At the end of the test, it was discovered that there was error of 1.5 J in all the data obtained for the impact energies. i. ii. iii. Temperature (°C) -120 -100 -80 -60 -40 -20 -10 0 10 24 30 40 50 60 70 80 100 120 Determine the actual/correct impact energies and tabulate them as above. Plot the data obtain in (i) as impact energy Vs Temperature graph and determine the ductile-brittle transition temperature (DBTT) S/N 1 2 3 4 Absorbed Energy (J) 8.5 8.7 8.9 9.2 9.5 10 16.5 26.5 36.5 51.5 59.5 66.5 78.5 86.5 94.5 96.5 97.5 98.5 5 6 7 8 9 10 11 12 13 14 15 16 17 18 At what range of temperatures is not advisable to use this material and briefly discuss why? 2. The table below shows the data obtained during the series of Charpy impact tests on a commercial low-carbon steel alloy. At the end of the test, it was discovered that there was error of 1.5 J in all the data obtained for the impact energies. i. ii. iii. Temperature (°C) -120 -100 -80 -60 -40 -20 -10 0 10 24 30 40 50 60 70 80 100 120 Determine the actual/correct impact energies and tabulate them as above. Plot the data obtain in (i) as impact energy Vs Temperature graph and determine the ductile-brittle transition temperature (DBTT) S/N 1 2 3 4 Absorbed Energy (J) 8.5 8.7 8.9 9.2 9.5 10 16.5 26.5 36.5 51.5 59.5 66.5 78.5 86.5 94.5 96.5 97.5 98.5 5 6 7 8 9 10 11 12 13 14 15 16 17 18 At what range of temperatures is not advisable to use this material and briefly discuss why?
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Answer rating: 100% (QA)
i SN Temperature C Absorbed Energy J Actual Impact Energy J 1 120 85 10 2 100 87 102 3 80 89 104 4 6... View the full answer
Related Book For
Principles of heat transfer
ISBN: 978-0495667704
7th Edition
Authors: Frank Kreith, Raj M. Manglik, Mark S. Bohn
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