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Stretch flangeability analysis of heat treated dual phase steel alloy sheet
https://orcid.org/http://orcid.org/0000-0001-5271-5743
The present study discusses the conventional stretch flanging process which is employed to create flanges using the specimens of different widths of (25, 30 and 40 mm). Finite element simulations are performed and the various quality characteristics such as strain path, thickness distribution and geometrical accuracy are analysed. The bend centre region has shown thickening effect, whereas thinning is observed at the free edge of the flange region. For the larger flange width the maximum thinning rate (MTR) of 11.36% is observed for the case of 650 °C + AC condition followed by 10.33, 9.36 and 8.97% for RT, 920 °C + AC and 930 °C + FC conditions. Also, a maximum absolute error between the FE simulated thickness and experimental one is found to be less than 2.50% for all the conditions. The springback is more pronounced at the bottom of the flange for all the flanges and the average springback is found to be highest for 650 °C + AC and is least for the specimen flanged at RT condition.
Stretch flangeability analysis of heat treated dual phase steel alloy sheet
https://orcid.org/http://orcid.org/0000-0001-5271-5743
The present study discusses the conventional stretch flanging process which is employed to create flanges using the specimens of different widths of (25, 30 and 40 mm). Finite element simulations are performed and the various quality characteristics such as strain path, thickness distribution and geometrical accuracy are analysed. The bend centre region has shown thickening effect, whereas thinning is observed at the free edge of the flange region. For the larger flange width the maximum thinning rate (MTR) of 11.36% is observed for the case of 650 °C + AC condition followed by 10.33, 9.36 and 8.97% for RT, 920 °C + AC and 930 °C + FC conditions. Also, a maximum absolute error between the FE simulated thickness and experimental one is found to be less than 2.50% for all the conditions. The springback is more pronounced at the bottom of the flange for all the flanges and the average springback is found to be highest for 650 °C + AC and is least for the specimen flanged at RT condition.
Stretch flangeability analysis of heat treated dual phase steel alloy sheet
https://orcid.org/http://orcid.org/0000-0001-5271-5743
The present study discusses the conventional stretch flanging process which is employed to create flanges using the specimens of different widths of (25, 30 and 40 mm). Finite element simulations are performed and the various quality characteristics such as strain path, thickness distribution and geometrical accuracy are analysed. The bend centre region has shown thickening effect, whereas thinning is observed at the free edge of the flange region. For the larger flange width the maximum thinning rate (MTR) of 11.36% is observed for the case of 650 °C + AC condition followed by 10.33, 9.36 and 8.97% for RT, 920 °C + AC and 930 °C + FC conditions. Also, a maximum absolute error between the FE simulated thickness and experimental one is found to be less than 2.50% for all the conditions. The springback is more pronounced at the bottom of the flange for all the flanges and the average springback is found to be highest for 650 °C + AC and is least for the specimen flanged at RT condition.
Stretch flangeability analysis of heat treated dual phase steel alloy sheet
Int J Interact Des Manuf
Gandla, Praveen Kumar (author) / Pandre, Sandeep (author) / Sammeta, Vamshi (author) / Kosaraju, Satyanarayana (author)
2024-11-01
8 pages
Article (Journal)
Electronic Resource
English
DP steel , Heat treatment , Stretch-flanging , Strain path , Thickness distribution , Geometrical accuracy Engineering , Engineering, general , Engineering Design , Mechanical Engineering , Computer-Aided Engineering (CAD, CAE) and Design , Electronics and Microelectronics, Instrumentation , Industrial Design
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