Influence Of Tool Geometry, Tool Coating And Process Parameters In Thixoextrusion Of Steel

Influence Of Tool Geometry, Tool Coating And Process Parameters In Thixoextrusion Of Steel

Thixoextrusion could become one possibility to enlarge the complexity of extruded profiles made of steel. Accordingly semi-solid extrusion experiments of X210CrW12 tool steel using round dies of approximately 15 mm diameter were performed in order to achieve first information concerning possible pro...

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Hauptverfasser: Knauf, Frederik, Hirt, Gerhard, Immich, Philipp, Bobzin, Kirsten
Format: Tagungsbericht
Sprache:eng
Schlagworte:
COATINGS
EXTRUSION
LIQUIDS
MATERIALS SCIENCE
MICROSTRUCTURE
PHYSICAL VAPOR DEPOSITION
PRESSES
SOLIDIFICATION
SOLIDS
STEELS
THIXOTROPY
VELOCITY
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creator Knauf, Frederik
Hirt, Gerhard
Immich, Philipp
Bobzin, Kirsten
description Thixoextrusion could become one possibility to enlarge the complexity of extruded profiles made of steel. Accordingly semi-solid extrusion experiments of X210CrW12 tool steel using round dies of approximately 15 mm diameter were performed in order to achieve first information concerning possible process windows and process limits. For liquid fractions between 38% and 10%, extrusion press velocities from 10 mm/s to 50 mm/s and dies with novel PVD-coatings no complete solidification during extrusion was achieved. However the collected pieces of the extruded bars showed a fine and evenly distributed globular microstructure.
doi_str_mv 10.1063/1.2729673
format Conference Proceeding
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identifier ISSN: 0094-243X
ispartof 10th Esaform Conference on Material Forming: Part A(AIP Conference Proceedings Volume 907), 2007, Vol.907 (1), p.1173-1178
issn 0094-243X
1551-7616
language eng
recordid cdi_osti_scitechconnect_21056974
source AIP Journals Complete
subjects COATINGS
EXTRUSION
LIQUIDS
MATERIALS SCIENCE
MICROSTRUCTURE
PHYSICAL VAPOR DEPOSITION
PRESSES
SOLIDIFICATION
SOLIDS
STEELS
THIXOTROPY
VELOCITY
title Influence Of Tool Geometry, Tool Coating And Process Parameters In Thixoextrusion Of Steel
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