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International Journal of Forming Processes
1292-7775
Publication suspended
 

 ARTICLE VOL 4/1-2 - 2001  - pp.57-72  - doi:10.3166/ijfp.4.57-72
TITLE
Friction and Wear in Hot Forging

ABSTRACT
The aim of the present paper is to analyse the influence of friction on die wear in a hot forging operation of a flange with a hammer. The operation is divided into two successive steps: the first is the upsetting of the billet, the second is the forging into closed dies with flash formation. Non-isothermal simulation has been utilised. In the simulations, friction has been varied in order to highlight its influence on both material flow and die wear. The most interesting parameters investigated have been: material flow in the billet, stresses on the dies, temperature distribution in both billet and dies and wear on the dies. The wear model is an abrasive one and it has been derived from literature [FEL 80].


AUTEUR(S)
Claudio GIARDINI, Elisabetta CERETTI, Giancarlo MACCARINI, Antonio BUGINI

Reçu le 13 avril 2000.    Accepté le 8 février 2001.

KEYWORDS
Wear, friction, hot forming.

LANGUE DE L'ARTICLE
Anglais

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