Improvements in stretch flangeability of sheet metals for automative applicatons
Implementing Organization
Indian Institute of Technology (IIT), Madras
Principal Investigator
Prof. Uday Chakkingal
Professor
|
Indian Institute of Technology Madras (IITM), Chennai
CO-Principal Investigator
Dr Murugaiyan Amirthalingam
Professor
|
Indian Institute of Technology Madras (IITM), Chennai
Indian Institute of Technology Madras (IITM), Chennai Dr Hariharan Krishnaswamy, Associate Professor
About
In this project, one advanced high-strength steel (DP 980), one aluminium alloy (AA 7075) and one magnesium alloy (AZ31) sheet will be investigated. Hole expansion ratios for different hole preparation conditions will be investigated. Improvement in hole expansion ratio by including a stress relaxation time during the punch stroke and local thickening of the edge by additive manufacturing will also be investigated. The strain paths at the edge of the expanding hole will be investigated by both experimental and finite element approaches.
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Indian Institute of Technology (IIT), Madras
Professor
Indian Institute of Technology Madras (IITM), Chennai Dr Hariharan Krishnaswamy, Associate Professor
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