Paper Title:
Challenges and Solutions in Distortion Engineering of an Aluminium Die Casting Component
  Abstract

The demand for increased efficiency of resources in industrial manufacturing processes requires continuous developments of materials and production processes. Aluminium components especially used in automotive applications meet the requirements of weight optimised and energy efficient solutions. In this context vacuum die casting enables the production of complex weight optimised components. However, in view of ensuring the needed dimensional accuracy, the productivity potential of the process is still restricted. Hence, the distortion behaviour within the whole process chain of a die casting structural part made of alloy AlSi10Mg was systematically investigated. Starting with the initial state after casting the analysis was focused on the quenching, punching, precipitation hardening and machining of the components. Contour deviations were recorded via a photogrammetry system and a coordinate measuring machine. Especially after die casting and solution annealing significant contour deviations were observed. Residual stress measurements along the process chain pointed out that residual stresses from die casting were released by solution annealing. By the knowledge of distortion sensitive component areas and the understanding of distortion mechanisms compensation strategies were derived based on the investigated processes. Within the paper these deduced strategies and the way to reduce expensive straightening processes and to raise efficiency will be given for industrial applications.

  Info
Periodical
Chapter
Chapter 8: Automotive and Energy Applications
Edited by
Hajo Dieringa, Norbert Hort and Karl Ulrich Kainer
Pages
443-446
DOI
10.4028/www.scientific.net/MSF.690.443
Citation
O. Karsten, K. Schimanski, A. von Hehl, H. W. Zoch, "Challenges and Solutions in Distortion Engineering of an Aluminium Die Casting Component", Materials Science Forum, Vol. 690, pp. 443-446, 2011
Online since
June 2011
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Price
$32.00
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