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Process Design of Aluminum Tailor Heat Treated Blanks

Daimler AG, Process Development and Materials, HPC 050-F155, 71059 Sindelfingen, Germany
Institute of Manufacturing Technology, Friedrich-Alexander-Universität Erlangen-Nürnberg, 91058 Erlangen, Germany
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Academic Editor: Nooman Ben Khalifa
Materials 2015, 8(12), 8524-8538;
Received: 31 October 2015 / Revised: 27 November 2015 / Accepted: 1 December 2015 / Published: 9 December 2015
(This article belongs to the Special Issue Forming of Light Weight Materials)
In many industrials field, especially in the automotive sector, there is a trend toward lightweight constructions in order to reduce the weight and thereby the CO2 and NOx emissions of the products. An auspicious approach within this context is the substitution of conventional deep drawing steel by precipitation hardenable aluminum alloys. However, based on the low formability, the application for complex stamping parts is challenging. Therefore, at the Institute of Manufacturing Technology, an innovative technology to enhance the forming limit of these lightweight materials was invented. The key idea of the so-called Tailor Heat Treated Blanks (THTB) is optimization of the mechanical properties by local heat treatment before the forming operation. An accurate description of material properties is crucial to predict the forming behavior of tailor heat treated blanks by simulation. Therefore, within in this research project, a holistic approach for the design of the THTB process in dependency of the main influencing parameters is presented and discussed in detail. The capability of the approach for the process development of complex forming operations is demonstrated by a comparison of local blank thickness of a tailgate with the corresponding results from simulation. View Full-Text
Keywords: lightweight design; tailor heat treated blanks; material model lightweight design; tailor heat treated blanks; material model
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MDPI and ACS Style

Kahrimanidis, A.; Lechner, M.; Degner, J.; Wortberg, D.; Merklein, M. Process Design of Aluminum Tailor Heat Treated Blanks. Materials 2015, 8, 8524-8538.

AMA Style

Kahrimanidis A, Lechner M, Degner J, Wortberg D, Merklein M. Process Design of Aluminum Tailor Heat Treated Blanks. Materials. 2015; 8(12):8524-8538.

Chicago/Turabian Style

Kahrimanidis, Alexander, Michael Lechner, Julia Degner, Daniel Wortberg, and Marion Merklein. 2015. "Process Design of Aluminum Tailor Heat Treated Blanks" Materials 8, no. 12: 8524-8538.

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