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Thixoforming : Semi-solid Metal Processing

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PSZ partially stabilized zirconia<br />

PVD physical vapour deposition<br />

r.f. radiofrequency<br />

sccm standard cubic centimeters per minute<br />

SEM scanning electron microscopy<br />

Si3N4 silicon nitride<br />

SiC silicon carbide<br />

TEM transmission electron microscopy<br />

TiAlN titanium aluminium nitride<br />

TiN titanium nitride<br />

Ts deposition temperature [ C]<br />

TZM titanium–zirconium–molybdenum (molybdenum-based alloy)<br />

VP peak voltage [V]<br />

XRD X-ray diffraction<br />

Y2O3 yttrium oxide<br />

ZrO2 zirconium oxide<br />

References<br />

1 Baur, J. (2000) Anlagen f€ur das<br />

thixoschmieden. Wt Werkstattstechnik, 90<br />

(10) 441–445.<br />

2 M€unstermann, S. (2007) Development of<br />

ceramic die concepts for steel<br />

thixoforming. PhD Thesis, RWTH Aachen<br />

University, Shaker, Aachen.<br />

3 Omar, M.Z., Palmiere, E.J., Howe, A.A.,<br />

Atkinson, H.V. and Kapranos, P. (2005)<br />

<strong>Thixoforming</strong> of a high performance HP9/<br />

4/30 steel. Materials Science and<br />

Engineering A, 395, 53–61.<br />

4 Bobzin, K., Lugscheider, E., Maes, M. and<br />

Abdel-Samad, A. (2005) The influence of<br />

hot isostatic pressing on plasma sprayed<br />

coatings properties. Surface and Coatings<br />

Technology, 201, 1224–1227.<br />

5 Meyer-Rau, S. (2002) Corrosive<br />

interactions between ceramics and semi<strong>solid</strong><br />

aluminium, copper and steel alloys.<br />

PhD Thesis, RWTH Aachen University,<br />

Mainz Publishers, Aachen.<br />

6 Meyer-Rau, S. and Telle, R. (2005) Testing<br />

strategies for corrosive interactions of<br />

ceramics with semi-<strong>solid</strong> and molten<br />

metal alloys. Journal of the European<br />

Ceramic Society, 25, 1049–1055.<br />

Referencesj303<br />

7 Behrens, A., Haller, B., Desery, C., Stegner,<br />

F., Schober, R., Wagemann, A., Wohlfahrt,<br />

D. and Lengsdorf, C. (2005)<br />

<strong>Thixoforming</strong>technologie f€ur<br />

hochschmelzende Stahlwerkstoffe, PZH<br />

Produktionstechnisches Zentrum,<br />

Garbsen, Abschlussbericht zum BMBF<br />

Verbundprojektes Thixostahl, Report Nr<br />

FKZ 02 PD 2120-02PD 2125.<br />

8 Bleck, W. (2004) THIXOCOMP –<br />

Improvement of Steels and Tools for<br />

<strong>Thixoforming</strong> of Complex Structural<br />

Parts. Institut f€ur Eisenh€uttenkunde,<br />

RWTH Aachen University,<br />

Abschlussbericht zum EU-Projekt Nr<br />

G5RD-CT-2001-00488.<br />

9 Koesling, D., Tinius, C., Cremer, R., Hirt,<br />

G., Morjan, U., Nohn, B., Wittstamm, T.<br />

and Witulski, T. (1999) Untersuchungen<br />

zum <strong>Thixoforming</strong> als Alternative zur<br />

Herstellung komplex geformter<br />

Stahlschmiedeteile. EFU Gesellschaft f€ur<br />

Ur-/Umformtechnik mbH, Simmerath,<br />

Abschlussbericht der Studiengesellschaft<br />

Stahlanwendung Projekt P322.<br />

10 Hartmann, D., Morjan, U., Nohn, B.,<br />

Zimmer, M., Hoffmann, A. and Braun, R.

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