Methodology for service life increase of hot forging tools

Journal of Materials Processing Technology

Volumn 87, Issue 1-3, 1999, Pages 237-246

  Brucelle, Olivier ^a   Bernhart, Gérard ^a  

^a ECOLE DES MINES D ALBI CARMAUX   (France)

Author keywords

Dies; Hot forging; Numerical simulation; Service life; Thermal cracking; Tools

Indexed keywords

AUTOMOTIVE INDUSTRY; BILLETS (METAL BARS); COMPUTER SIMULATION; CRACKS; DIES; STRESSES; THERMAL CYCLING; THERMAL STRESS; WEAR OF MATERIALS;

HOT FORGING TOOLS;

FORGING;

EID: 0033100369     PISSN: 09240136     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0924-0136(98)00357-4     Document Type: Article

References (13)

1. T.B. Herlan, Les pièces forgées: Allégées mais plus performantes, Rev. Métall.-CIT 90 (10) (1993) 1265-1276.
2. K. Lange, A. Hettig, M. Knoerr, Increasing tool life in cold forging through advanced design and tool manufacturing techniques, J. Mater. Process. Technol. 35 (1992) 495-513.
3. S.I. Oh, W.T. Wu, J.P. Tang, Simulations of cold forging processes by the DEFORM system, J. Mater. Process. Technol. 35 (1992) 357-370.
4. O. Brucelle, Amélioration de la durée de vie d'un outillage de matriçage, EMAC internal student report, 1996.
5. D.A. Spera, What is thermal fatigue? Thermal fatigue of materials components, ASTM, Am. Soc. Testing Mater., Soc. Technol. Plast. 612 (1976) 3-9.
6. A.Dias, H.P. Lieurade, La fatigue thermique, mécanismes, simulation et modélisation, Revue Bibliographique, IRSID, RFP 437, mai 1987.
7. FORGE2® v.2.7 Bidimensional Forging Processes; Transvalor SA; user manual, November 1994.
8. B. Snaith, S.D. Probert, P.W. O'Callaghan, Thermal resistances of pressed contacts, Appl. Energy 22 (1986) 31-84.
9. Z. Malinowski, J.G. Lenard, M.E. Davies, A study of the heat transfer coefficient function of temperature and pressure, J. Mater. Process. Technol. 41 (1994) 125-142.
10. H. Doi, Elastic and Plastic Properties of WC-Co Composite Alloys, Freund, Israel, 1974, pp. 3-109.
11. G. Fantozzi, H. SiMohand, G. Orange, High temperature mechanical behaviour of WC-6 wt.%Co cemented carbide, 2nd Int. Conf. Science Hard Materials, no. 75, chapter 7, Rhodes, 1986, pp 699-712.
12. P. Lair, J. Dumoulin, G. Bernhart, P. Millan, Etude numérique et expérimentale de la résistance thermique de contact à hautes températures et pression élevées, SFT 97, 20-22 mai 1997, Toulouse.
13. Y. Nagao, M. Knoerr, T. Altan, Improvement of tool life in cold forging of complex automotive parts, J. Mater. Process. Technol. 46 (1994) 73-85.