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  4. Dry strip drawing test on tool surfaces reinforced by hard particles
 
Zitierlink URN
https://nbn-resolving.de/urn:nbn:de:gbv:46-00105199-11

Dry strip drawing test on tool surfaces reinforced by hard particles

Veröffentlichungsdatum
2016
Autoren
Freiße, Hannes  
Herausgeber
Vollertsen, Frank  
Zusammenfassung
Deep drawing high alloy steels often causes wear issues. It is assumed that in a deep drawing process without lubrica-tion this effect will be increased. To realize Dry Metal Forming, new tool surfaces are necessary to avoid wear. An approach is to use laser generated metal matrix composite (MMC) materials for tool surfaces. The surface is reinforced by hard particles to increase the wear resistance of the deep drawing tool. In this work the results of strip drawing test with and without lubrication of different tool surfaces are presented. In the case of lubricated strip drawing test, the friction coefficient did not differ if the tool surface is reinforced with hard particles or not. However, in a dry strip draw-ing test the friction coefficient is increased in the case of the MMC tool and applying normal pressure higher than 2.5 MPa. On the other hand, a significant increase of the wear resistance of the reinforced surface was observed within a dry ball-on-plate test.
Schlagwörter
coatings

; 

metal matrix composite (MMC)

; 

laser melt injection

; 

Dry Metal Forming
Institution
Universität Bremen  
Fachbereich
Fachbereich 04: Produktionstechnik, Maschinenbau & Verfahrenstechnik (FB 04)  
Institute
BIAS - Bremer Institut für angewandte Strahltechnik GmbH  
Dokumenttyp
Artikel/Aufsatz
Zeitschrift/Sammelwerk
Dry Metal Forming Open Access Journal  
Band
Volume 2
Zweitveröffentlichung
Nein
Sprache
Deutsch
Dateien
Lade...
Vorschaubild
Name

00105199-1.pdf

Size

1.75 MB

Format

Adobe PDF

Checksum

(MD5):2ed62aea1464d7b3d5e04c9d644e047b

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