Production of alumina parts by powder injection molding with a binder system based on high density polyethylene

Journal of the European Ceramic Society

Volumn 28, Issue 4, 2008, Pages 763-771

  Thomas Vielma, P ^a   Cervera, A ^b   Levenfeld, B ^a   Varez A ^a  

^a UNIVERSIDAD CARLOS III DE MADRID   (Spain)

^b Euroortodoncia ^*  (Spain)

Author keywords

Al2O3; Binders; Injection molding; Polyethylene

Indexed keywords

BINDERS; HIGH DENSITY POLYETHYLENES; INJECTION MOLDING; PARAFFIN WAXES; RHEOLOGY; STEARIC ACID; TORQUE;

POWDER INJECTION MOLDING; THERMAL DEBINDING;

ALUMINA;

ALUMINA; BINDERS; HIGH DENSITY POLYETHYLENES; INJECTION MOLDING; PARAFFIN WAXES; RHEOLOGY; STEARIC ACID; TORQUE;

EID: 37549028430     PISSN: 09552219     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jeurceramsoc.2007.08.004     Document Type: Article

References (38)

1. German R.M., and Bose A. Injection Molding of Metals and Ceramics (1997), Metal Powder Industries Federation, Princeton
2. German R. Powder Injection Molding (1990), MPIF, USA
3. Loh N.H., Tor S.B., and Khor K.A. Production of metal matrix composite part by powder injection molding. J. Mater. Process. Technol. 108 (2001) 398-407
4. Chung C.I., Rhee B.O., Cao M.Y., and Liu C.X. Requirements of binder for powder injection molding. Advances in Powder Metallurgy Proceeding, Powder Metallurgy Conference Exhibition (1989), MPIF, Princeton, NJ, USA 67-78
5. Wu R.Y., and Wei W.C.J. Torque evolution and effects on alumina feedstocks prepared by various kneading sequences. J. Eur. Ceram. Soc. 20 (2000) 67-75
6. Yang W.W., Yang K.Y., and Hon M.H. Effects of PEG molecular weights on rheological behavior of alumina injection molding feedstocks. Mater. Chem. Phys. 78 (2002) 416-424
7. Trunec M., and Cihlar J. Thermal removal of multicomponent binder from ceramic injection mouldings. J. Eur. Ceram. Soc. 22 (2002) 2231-2241
8. Dubus M., and Burlet H. Rheological behaviour of a polymer ceramic blend. J. Eur. Ceram. Soc. 17 (1997) 191-196
9. Zhang T., and Evans J.R.G. Relaxation effects in large injection moulded ceramic bodies. J. Eur. Ceram. Soc. 12 (1993) 51-59
10. Okada K., and Nagase Y. Prediction of shear viscosity for ceramic injection molding mixtures. J. Chem. Eng. Japan 33 6 (2000) 927-929
11. Krug S., Evans J.R.G., and Maat J.H.H. Differential sintering in ceramic injection molding: particle orientation effects. J. Eur. Ceram. Soc. 22 (2002) 173-181
12. Millan A.J., et al. Mater. Lett. 47 (2001) 3245
13. Nyborg L., Carlström E., and Bertilsson H. Guide to the injection moulding of ceramics and hard metals-special consideration of fine powder. Powder Metallurgy (1998) 41-44
14. Herranz G., Levenfeld B., Várez A., and Torralba J.M. Development of a new feedstock formulation based on high density polyethylene for MIM of M2 high speed steels. Powder Metallurgy 48 2 (2005) 134-138
15. Herranz G., Várez A., Torralba J.M., and Levenfeld B. Metal injection molding of bronze using thermoplastic binder based on HDPE. Powder Metallurgy 50 2 (2007) 184-188
16. Takahashi M., and Suzuki S. Mixing and flow characteristics in the alumina/thermoplastic resin system. J. Eur. Ceram. Soc. 71 12 (1988) 1093-1099
17. Bhat V.V., Madras G., Das P.J., and Umarji A.M. Determination of viscosities for alumina-polyethylene blends. J. Mater. Sci. 37 (2002) 1333-1336
18. White G.R., and German R.M. Adv. Powder Metall. Part. Mater. 5 (1993) 121 MPIF, Princeton, NJ
19. Supati R., Loh N.H., Khor K.A., and Tor S.B. Mixing and characterization of feedstock for powder injection molding. Mater. Lett. 46 (2000) 109-114
20. Bohm H., and Blackburn S. Effect of mixing procedure on fine alumina paste extrusion. Br. Ceram. Trans. 93 5 (1994) 169-170
21. Raman R., Slike III W., and German R.M. Experimental evaluation of the mixing process for the preparation of feedstock for powder injection molding. Ceram. Eng. Sci. Proc. 14 11-12 (1993) 166-186
22. Mpanza H.S., and Luyt A.S. Influence of different waxes on the physical properties of linear low-density polyethylene. South Afr. J. Chem. 59 (2006) 48-54
23. Herranz G. Desarrollo de nuevas formulaciones de ligantes basadas en polietileno de alta densidad para el procesado de aceros rápidos tipo M2 mediante moldeo por inyección de metales. PhD Thesis (2004), Universidad Carlos III de Madrid, Madrid, Spain
24. Lin S.T., and German R.M. Interaction between binder and powder in injection moulding of alumina. J. Mater. Sci. 29 (1994) 5207-5212
25. Chan T.Y., and Lin S.L. Effects of stearic acid on the injection molding of alumina. J. Am. Ceram. Soc. 78 10 (1995) 2746-2752
26. Mutsuddy B.C., and Ford R.G. Ceramic Injection Molding (1995), Chapman and Hall, Cambridge
27. Krauss V.A., Pires E.N., Klein A.N., and Fredel M.C. Rheological properties of alumina injection feedstocks. Mater. Res. 8 2 (2005) 187-189
28. Eilers. The viscosity of emulsions made of highly viscous. Kolloids-Zeitschrift 97 (1941) 313-321
29. Mooney. The viscosity of a concentrated suspensions of spherical particles. J. Colloid Sci. 6 (1951) 162-170
30. Maron Pierce. Application of ree-eyring generalized flow theory to suspensions of spherical particles. J. Colloid Sci. 11 (1956) 80-95
31. Chong, Christiansen, and Baer. Rheology of concentrated suspensions. J. Appl. Polym. Sci. 15 (1971) 2007-2021
32. Janardhana-Reddy J., Ravi N., and Vijayakumer M. A simple model for viscosity of powder injection moulding mixes with binder content above powder critical binder volume concentration. J. Eur. Ceram. Soc. 20 (2000) 2183-2190
33. Mutsuddy B.C. J. Ind. Res. Dev. 25 (1993) 76-80
34. Lin H.K., and Hwang K.S. In situ dimensional changes of powder injection-molded compacts during solvent debinding. Acta Mater. 46 12 (1998) 4303-4309
35. Goodship V. Practical Guide to Injection Moulding (2004), Rapra Technology, Shawbury
36. Wei W.J., Wu R.Y., and Ho S.J. Effects of pressure parameters on alumina made by powder injection moulding. J. Eur. Ceram. Soc. 20 (2000) 1301-1310
37. Hwang K.S., and Hsieh C.C. Injection molded alumina prepared with mg-containing binders. J. Am. Ceram. Soc. 88 9 (2005) 2349-2353
38. Paul Lin S.T., and German R.M. The influence of powder loading and binder additive on the properties of alumina injection-moulding blends. J. Mater. Sci. 29 (1994) 5367-5373