Effect of Strain Induced Martensite on the Deep Drawing Behavior of ۳۰۴L Steel: Simulation and Experiment
Publish Year: 1398
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_IJMSEI-16-3_004
تاریخ نمایه سازی: 1 اسفند 1401
Abstract:
Abstract
In the present research, the behavior of ۳۰۴L austenitic stainless steel in the deep drawing process has been studied at the room temperature through experimental and finite element simulation method. Magnetic method calibrated by XRD was used to measure induced-martensite. Martensite volume fraction in the various portion of the deep drawn cup under optimum Blank Holder Force (BHF) and in the rupture location was evaluated. Findings of the present study indicated that higher martensite volume fraction occurred in the flange portion in the drawn cup due to higher strain and stress concentration in this area. Also, rupture happened at the arc portion of the wall of drawn cup with higher blank diameter due to higher strain, work hardening and martensitic transformation. Both experimental and simulation results showed that maximum LDR of ۲ obtained in the forming process. All experimental procedures were simulated by LS-DYNA software, employing MAT_TRIP, and experimental results were in good agreement with the FE simulation.
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Authors
H. Fathi
semnan university
B. Mohammad Sadeghi
Iran University of science and technology
E. Emadoddin
semnan university
H. Mohammadian Semnani
semnan university
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