Design, Construction and Performance of Silicon Nitride Tool Parts in Steel Thixoforming |
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| Journal | Solid State Phenomena (Volumes 116 - 117) |
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| Volume | Semi-Solid Processing of Alloys and Composites |
| Edited by | C.G. Kang, S.K. Kim and S.Y. Lee |
| Pages | 690-695 |
| DOI | 10.4028/www.scientific.net/SSP.116-117.690 |
| Citation | Rainer Telle et al., 2006, Solid State Phenomena, 116-117, 690 |
| Online since | October, 2006 |
| Authors | Rainer Telle, Simon Muenstermann, Christophe Beyer |
| Keywords | Ceramic, Die, Finite Element Model (FEM), Steel, Tool |
| Abstract | The design and performance of silicon nitride (Si3N4) dies for the semi-solid processing of steels is studied by the example of a punch and a lower swage in upset forging. The observed failure mechanisms and degradation effects are related to short-term effects resulting from mechanical and thermal loads and long-term effects owing to chemical and tribological attack. Results show that well-defined process conditions (cycle time, solidification time in the die) and a ceramic-suitable design are a pre-requisite for reliability and sufficient service life of ceramic dies. |
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