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논문 기본 정보

자료유형
학술대회자료
저자정보
Johannes Winklhofer (Das Virtuelle Fahrzeug Forschungsgesellschaft mbH) Gernot Trattnig (Das Virtuelle Fahrzeug Forschungsgesellschaft mbH) Christoph Lind (SAG Alutech GmbH) Christof Sommitsch (Graz University of Technology Kopernikusgasse) Hannes Feuerhuber (weba Werkzeugbau Betriebs GmbH)
저널정보
한국소성·가공학회 기타자료 NUMIFORM 2010
발행연도
2010.6
수록면
927 - 934 (8page)

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Lightweight design is essential for an economic and environmentally friendly vehicle. Aluminium sheet metal is well known for its ability to improve the strength to weight ratio of lightweight structures. One disadvantage of aluminium is that it is less formable than steel. Therefore complex part geometries can only be realized by expensive multi-step production processes. One method for overcoming this disadvantage is deep drawing at elevated temperatures. In this way the formability of aluminium sheet metal can be improved significantly, and the number of necessary production steps can thereby be reduced. This paper introduces deep drawing of aluminium sheet metal at elevated temperatures, a corresponding simulation method, a characteristic process and its optimization. The temperature and strain rate dependent material properties of a 5xxx series alloy and their modelling are discussed. A three dimensional thermomechanically coupled finite element deep drawing simulation model and its validation are presented. Based on the validated simulation model an optimised process strategy regarding formability, time and cost is introduced.

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Abstract
INTRODUCTION
METHOD
RESULTS
DISCUSSION
CONCLUSIONS
REFERENCES

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UCI(KEPA) : I410-ECN-0101-2014-550-003326645