Question

Which steel presents the maximum modulus of toughness UT?

UT = ( (Sy − Sut) /2 ) ε f

 

AISI 4142 and AISI 1020
AISI 1020
AISI 1095 and AISI 1020
AISI 4142 and AISI 1095
400
2500
AISI 4142, as quenched
300
2000
1500
200
1000
AISI 1095, hot rolled
100
500
AISI 1020, hot rolled
0
0.4
0.3
0.2
0.1
E, Strain
a, Stress, MPa
o, ksi

Image Transcription

400 2500 AISI 4142, as quenched 300 2000 1500 200 1000 AISI 1095, hot rolled 100 500 AISI 1020, hot rolled 0 0.4 0.3 0.2 0.1 E, Strain a, Stress, MPa o, ksi

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