Producing molten metal droplets with a pneumatic droplet-on-demand generator

Journal of Materials Processing Technology

Volumn 159, Issue 3, 2005, Pages 295-302

  Cheng, Stewart Xu ^a   Li, Tiegang ^a   Chandra, Sanjeev ^a  

^a UNIVERSITY OF TORONTO   (Canada)

Author keywords

Drop on demand; Droplet generator; Metal spheres; Powders; Rapid prototyping

Indexed keywords

DROP FORMATION; ELECTRIC POTENTIAL; NOZZLES; OSCILLATIONS; OXIDATION; RAPID PROTOTYPING; SOLENOIDS; STAINLESS STEEL;

DROP-ON DEMAND; DROPLET GENERATORS; DROPLET-ON-DEMAND GENERATORS; METAL SPHERES;

MOLTEN MATERIALS;

EID: 11344263277     PISSN: 09240136     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jmatprotec.2004.05.016     Document Type: Article

References (16)

1. Liu Q., Orme M. High precision solder droplet printing technology and the state-of-the-art. J. Mater. Process. Technol. 115:2001;271-283
2. Gao F., Sonin A.A. Precise deposition of molten microdrops: the physics of digital microfabrication. Proc. R. Soc. Lond. A. 444:1994;533-554
3. Weiss L.E., Merz R., Prinz F.B., Neplotnik G., Padmanabhan P., Schultz L., Ramaswami K. Shape deposition manufacturing of heterogeneous structures. J. Manuf. Syst. 16:1997;239-248
4. Orme M., Smith R.F. Enhanced aluminum properties by means of precise droplet deposition. ASME J. Manuf. Sci. Eng. 122:2000;484-493
5. J.H. Chun, C.H. Passow, Production of charged uniformly sized metal droplets, US Patent 5,266,098 (1993).
6. D. Yuan, H. Heneien, J.A. Fallavollita, Method for producing droplets, US Patent 5,609,919 (1997).
7. Tseng A.A., Lee M.H., Zhao B. Design and operation of a droplet deposition system for freeform fabrication of metal parts. ASME J. Eng. Mater. Technol. 123:2001;74-84
8. Orme M., Muntz E.P. The manipulation of capillary stream breakup using amplitude modulated disturbances: a picoliter and quantitative representation. Phys. Fluids A. 2:1990;1124-1140
9. H. Hieber, Method of applying small drop-shaped quantities of melted solder from a nozzle to surfaces to be wetted and device for carrying out the method, US Patent 4,828,886 (1989).
10. Haferl S., Poulikakos D. Transport and solidification phenomena in molten microdroplet pileup. J. Appl. Phys. 92:2002;1675-1689
11. S. Chandra, R. Jivraj, Apparatus and method for generating uniform sized droplets, US Patent 6,446,878 (2002).
12. Shakeri S., Chandra S. Splashing of molten tin droplets on a rough steel surface. Int. J. Heat Mass Transfer. 24:2002;4561-4575
13. C.M. Harris, Handbook of Acoustical Measurements and Noise Control, McGraw-Hill, New York, NY, 1991, pp. 30.19-30.20.
14. J.D. Irwin, E.R. Graf, Industrial Noise and Vibration Control, Prentice-Hall, Englewood Cliffs, NJ, 1979, pp. 258-262.
15. P. Yim, The role of surface oxidation in the break-up of laminar liquid metal jets, Ph.D. Thesis, Massachusetts Institute of Technology, Cambridge, MA, 1996.
16. S.X. Cheng, Development of a molten metal droplet generator for rapid prototyping, M.A.Sc. Thesis, University of Toronto, Toronto, Ont., Canada, 2002.