The Fundamentals of Metalworking (PDF)
The Fundamentals of Metalworking (PDF)
The Fundamentals of Metalworking (PDF)
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Flow curve<br />
True stress<br />
Flow curve<br />
0 10 20 30 40 50<br />
Reduction <strong>of</strong> area by drawing, %<br />
Flow curve constructed from stressstrain<br />
curves after different amounts <strong>of</strong><br />
reduction.<br />
Temperature Flow stress<br />
Suranaree University <strong>of</strong> Technology Tapany Udomphol<br />
Jan-Mar 2007<br />
True stress, σ<br />
True strain, ε<br />
ε f<br />
σ y<br />
Method <strong>of</strong> using average flow<br />
stress to compensate for strain<br />
hardening.