Design, Construction and Performance of Silicon Nitride Tool Parts in Steel Thixoforming

Abstract:

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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.

Info:

Periodical:

Solid State Phenomena (Volumes 116-117)

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:

R. Telle et al., "Design, Construction and Performance of Silicon Nitride Tool Parts in Steel Thixoforming", Solid State Phenomena, Vols. 116-117, pp. 690-695, 2006

Online since:

October 2006

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Price:

$35.00

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