Rheological properties of alumina feedstocks for the low-pressure injection moulding process

Journal of the European Ceramic Society

Volumn 29, Issue 9, 2009, Pages 1595-1602

  Loebbecke, Birgit ^a   Knitter, Regina ^a   Haußelt, Jürgen ^a  

^a KARLSRUHE INSTITUTE OF TECHNOLOGY   (Germany)

Author keywords

Al2O3; Injection moulding; Plasticity; Rheology

Indexed keywords

AL2O3; ALUMINA POWDERS; BINDER SYSTEMS; FLOW BEHAVIOURS; FLOWABILITY; HERSCHEL-BULKLEY MODELS; HIGH-SOLIDS; INJECTION MOULDING; MATERIAL PARAMETERS; MAXIMUM PACKINGS; MICRO-COMPONENTS; NEAR-NET SHAPE MANUFACTURING; ORGANIC BINDERS; PRESSURE INJECTIONS; RELATIVE VISCOSITIES; RHEOLOGICAL BEHAVIOURS; RHEOLOGICAL PROPERTIES; WORK FOCUS;

ALUMINUM; BINDERS; CERAMIC MATERIALS; ELASTICITY; FEEDSTOCKS; INJECTION MOLDING; PLASTICITY; SINTERING; VISCOSITY; YIELD STRESS;

RHEOLOGY;

EID: 64449086370     PISSN: 09552219     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jeurceramsoc.2008.11.001     Document Type: Article

References (26)

1. Agote I., Odriozola A., Gutierrez M., Santamaria A., Quintanilla J., Coupelle P., et al. Rheological study of waste porcelain feedstocks for injection moulding. J. Eur. Ceram. Soc. 21 (2001) 2843-2853
2. Torkar D., Novak S., and Novak F. Apparent viscosity prediction of alumina-paraffin suspensions using artificial neural networks. J. Mater. Process. Technol. 203 (2008) 208-215
3. Thomas-Vielma P., Cervera A., Levenfeld B., and Varez A. Production of alumina parts by powder injection molding with a binder system based on high density polyethylene. J. Eur. Ceram. Soc. 28 (2008) 763-771
4. Leverkoehne M., Coronel-Hernandez J., Dirscherl R., Gorlov I., Janssen R., and Claussen N. Novel binder system based on paraffin-wax for low-pressure injection molding of metal-ceramic powder mixtures. Adv. Eng. Mater. 3 (2001) 995-998
5. Edirisinghe M.J., and Evans G.R.G. Properties of ceramic injection moulding formulations. Part 1. melt rheology. J. Mater. Sci. 22 (1987) 269-277
6. Herschel W.H., and Bulkley R. Konsistenzmessungen von Gummi-Benzollösungen. Kolloid-Zeitschrift 39 (1926) 291-300
7. Einstein A. Über die von der molekularkinetischen Theorie der Wärme geforderte Bewegung von in ruhenden Flüssigkeiten suspendierten Teilchen. Ann. Phys. 17 (1906) 549-560
8. Moreno R. Rheology. Encyclopedia of materials: science and technology (2001), Elsevier Science Ltd., Amsterdam, Netherlands pp. 8192-8197
9. Reed J.S. Principles of ceramics processing (1994), Wiley-Interscience Publication
10. Ferraris C.F. Measurement of the rheological properties of high performance concrete: state of the art report. J. Res. Natl. Inst. Stand. Technol. 104 (1999) 461-478
11. Krieger I.M., and Dougherty T.J. A mechanism for non-Newtonian flow in suspensions of rigid spheres. Trans. Soc. Rheol. 3 (1959) 137-152
12. Eilers H. Die Viskosität von Emulsionen hochviskoser Stoffe als Funktion der Konzentration. Kolloid-Zeitschrift 97 (1941) 313-321
13. Quemada D. Rheology of concentrated disperse systems and minimum energy dissipation principle. Rheol. Acta 16 (1977) 82-94
14. Janardhana Reddy J., Ravi N., and Vijayakumar 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
15. Pahl M., Gleißle W., and Laun H.-M. Praktische Rheologie der Kunststoffe und Elastomere (1991), VDI-Verlag, Düsseldorf
16. Zhou Z., Scales P.J., and Boger D.V. Chemical and physical control of the rheology of concentrated metal oxide suspensions. Chem. Eng. Sci. 56 (2001) 2901-2920
17. Knitter R., Bauer W., Göhring D., and Risthaus P. RP process chains for ceramic microcomponents. Rapid Prototyping J. 8 2 (2002) 76-82
18. Knitter R., Bauer W., and Göhring D. Microfabrication of ceramics by rapid prototyping process chains. Proc. Instn. Mech. Engrs. Part C: J. Mech. Eng. Sci. 217 (2003) 41-51
19. 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
20. Wei W.-C.J., Tsai S.J., and Hsu K.C. Effects of mixing sequence on alumina prepared by injection molding. J. Eur. Ceram. Soc. 18 (1998) 1445-1451
21. Wu R.-Y., and Wei W.-C.J. Kneading behaviour and homogeneity of zirconia feedstocks for micro-injection molding. J. Eur. Ceram. Soc. 24 (2004) 3653-3662
22. Okada K., and Nagas Y. Viscosity and powder dispersion in ceramic injection molding mixtures. J. Chem. Eng. Jpn. 33 (2000) 168-173
23. McGeary R.K. Mechanical packing of spherical particles. J. Am. Ceram. Soc. 44 (1961) 513-522
24. Donev A., Cisse I., Sachs D., Variano E.A., Stillinger F.H., Connelly R., et al. Improving the density of jammed disordered packings using ellipsoids. Science 303 (2004) 990-993
25. Suri P., Atre S.V., German R.M., and de Souza J.P. Effect of mixing on the rheology and particle characteristics of tungsten-based powder injection molding feedstock. Mater. Sci. Eng. A 356 (2003) 337-344
26. Sigmund W.M., Bell N.S., and Bergström L. Novel powder-processing methods for advanced ceramics. J. Am. Ceram. Soc. 83 (2000) 1557-1574