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- Title
Parametric and non-parametric modelling of earing and hardness of deep drawn cups.
- Authors
Lela, B.; DuplančIć, I.; Bajić, D.
- Abstract
This study compares different approaches in modelling the earing phenomenon and hardness of cups in deep drawing process. The blank holder force (BHF), annealing temperature and annealing time of blanks before deep drawing process have been chosen as the three influential parameters on the earing and hardness. To obtain mathematical models for the earing and hardness of the deep drawn cups, the methodology of artificial neural networks have been used. Bayesian network, radial basis function network, Gaussian processes and multilayer perceptron are four different ANN approaches that have been used for the modelling. The research has been conducted on a cold rolled Al-Fe-Si (AA8011A) aluminium sheet. After obtaining the mathematical models describing the influence of BHF and annealing on hardness and earing, a comparison of the proposed models has been performed. A search for the optimal parameters of deep drawing process has been carried out.
- Subjects
HARDNESS; ANNEALING of metals; MATHEMATICAL models; GAUSSIAN processes; ARTIFICIAL neural networks
- Publication
Materials Science & Technology, 2009, Vol 25, Issue 8, p969
- ISSN
0267-0836
- Publication type
Article
- DOI
10.1179/174328408X307300