1. 1) N. C. Parson, J. D. Hankin and K. P. Hicklin: Al–Mg–Si alloy with good extrusion properties, US-pattent (2002) 6,440,359.
2. 2) S. Zajac, B. Hutchinson, A. Johansson and L. O. Gullman: Mater. Sci. Tech. 10 (1994) 323–333.
3. 3) A. Valles, R. P. L. Orsetti and R. Tosta: Proc. of the International Conference on Aluminium Alloys, (Toyohashi, Japan, 1998) 2123–2128.
4. 4) N. C. W. Kuijpers, J. Tirel, D. N. Hanlon and S. van der Zwaag: Mater. Char. 48 (2002) 379–392.
5. 5) M. P. Clode and T. Sheppard: Aluminium Technology ’86, (The Institute of Metals, 1 Carlton House Terrace, London SW1Y 5DB, UK, 1986) pp. 230–239.