Cold forging tribo-test based on variation of deformation patterns at the tool-workpiece interface©

Lubrication Engineering

Volumn 55, Issue 2, 1999, Pages 24-32

  Ngaile, Gracious ^a   Saiki, Hiroyuki ^a  

^a KUMAMOTO UNIVERSITY   (Japan)

Author keywords

Bench Tests; Forging; Solid Lubricant

Indexed keywords

COLD WORKING; FINITE ELEMENT METHOD; INTERFACES (MATERIALS); METAL DRAWING; METAL TESTING; SOLID LUBRICANTS; STRAIN HARDENING; SURFACE PHENOMENA; TRIBOLOGY;

COLD-FORGING TRIBO TEST; SURFACE EXPANSION DISTRIBUTION; TOOL-WORKPIECE INTERFACES;

FORGING;

FLUID FLOW; LUBRICANT; TRIBOLOGY;

EID: 0033082229     PISSN: 00247154     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (16)

1. Schey, J. A., Tribology in Metal Working, American Society for Metals, Metal Parks, Ohio, pp 197-220, (1983).
2. Bay, N. and Hansen, B. G., "Simulation of Friction and Lubrication in Cold Forging," in Proc. 7th Int'l. Cold Forging Congress, pp 55-62, (1985).
3. Kawai, N., Nakamura, T., Dodha, K., Kudo, H. and Saiki, H., Tribology in Metal Forming, Corona Publications, pp 84-126, (1988), (in Japanese).
4. Kitamura, K., Ohmori. T, Danno, A. and Kawamura, M., "Evaluation of Galling Prevention Properties of Cold Forging Lubricant by Ball Penetration Test," Jour. of the Japan Society for Technology of Plasticity, 34, 393, pp 78-1183, (1993), (in Japanese).
5. Wagener, H. W. and Wolf, J., "Coefficient of Friction in Cold Extrusion," Jour. of Materials Processing Tech., 44, pp 283-291, (1994).
6. Bay, N., Wibon, O. and Nielsen, J. A., "A New Friction and Lubrication Test for Cold Forging," Ann. CIRP, 44/1, pp 217-221, (1995).
7. Picart, P., Oudin, J. and Dubois, A., "On the Determination of Friction in the Cold Forging of Coated Steel Workpieces," in Proc. of the 9th Int'l. Cold Forging Congress, UK, pp 185-191, (1995).
8. Bricout, J. P., Adjerdi, S., Hivart, P. and Oudin, M., "General Characterization of Phosphate/Stearate Coatings: Seizure Resistance and Conductivity Measurement," in Proc. of the 9th Int'l. Cold Forging Congress, UK, pp 147-153, (1995).
9. Saiki, H., Ngaile, G. and Ruan, L., "Characterization of Adhesive Strength of Phosphate Coatings in Cold Metal Forming," ASME Jour. of Trib., 119, pp 667-671, (1997).
10. Saiki, H., Ngaile, G. and Ruan, L., "Influence of Die Geometry on he Workability of Conversion Coatings Combined with Soap Lubricant in Cold Forming of Steels," Jour, of Mat. Proc. Tech., Elsevier, 63-238-243, (1997).
11. Saiki, H., Ngaile, G., Ruan, Imamura, L. and Asakawa, M., "Tool Geometry Selection in the Evaluation of Tribo-Conditions for Bonder Lube Treated Materials for Forging Processes, in Proc. of the 46th Japanese Conf. on the Technology of Plasticity, Chiba, Japan, pp 399-400, (1995).
12. Wilson, R. D. and Sheu, S., "Real Area of Contact and Boundary Friction in Metal Forming," Int'l. Jour. Mech. Sci., 30, 7, pp 475-489, (1988).
13. Bay, N. and Wanheim, T., "Contact Phenomenon under Bulk Plastic Deformation Conditions," in Proc. of the Advanced Technology of Plasticity, Kyoto, Japan, pp 1677-1691, (1990).
14. Kobayashi, S., Oh, S. and Altan, T., Metal Forming and the Finite-Element Method, Oxford University Press, New York, p 5, (1989).
15. Meng, Y. G., "Appraisal of Friction Conditions for Metal Forming by FEM," Ph.D. Dissertation, Kumamoto University, Japan, pp 7-77, (1989), (in Japanese).
16. Saiki, H. and Meng, Y. G., "Inverse Solution for Determining Interface Frictional Coefficient Using Perturbation Method in Metal Forming Processes," in Proc. of the 2nd Int'l. Symp. on Plasticity, Mie, Japan, pp 73-76, (1989). ■