Direct-write deposition of fine powders through miniature hopper-nozzles for multi-material solid freeform fabrication

Rapid Prototyping Journal

Volumn 10, Issue 1, 2004, Pages 14-23

  Kumar, Pranav ^a   Santosa, James K ^a   Beck, Elizabeth ^a   Das, Suman ^a  

^a UNIVERSITY OF MICHIGAN   (United States)

Author keywords

Coating processes; Flow measurement; Mass spectrometry; Rapid prototypes

Indexed keywords

COATING TECHNIQUES; GRANULAR MATERIALS; LASER APPLICATIONS; MASS SPECTROMETRY; NOZZLES; POWDERS; RAPID PROTOTYPING; SINTERING;

FLOW MEASUREMENTS; HOPPER THEORY; SELECTIVE LASER SINTERING (SLS);

LAYERED MANUFACTURING;

EID: 1142265506     PISSN: 13552546     EISSN: None     Source Type: Journal    
DOI: 10.1108/13552540410512499     Document Type: Conference Paper

References (8)

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3. Jaeger, H.M. and Nagel, S.R. (1992), "Physics of the granular state", Science, Vol. 255, pp. 1523-30.
4. Kumar, P. and Das, S. (n.d), "Gravity flow of fine powders through miniature hoppers", Powder Tech., (forth coming).
5. Santosa, J., Jing, D. and Das, S. (2002), "Experimental and numerical study on the flow of fine powders from small-scale hoppers applied to SLS multi-material deposition - part I", Solid Freeform Fabrication Symposium Proceedings, University of Texas, Austin, pp. 620-8.
6. Spink, C.D. and Nedderman, R.M. (1978), "Gravity discharge rate of fine particles from hoppers", Powder Tech., Vol. 21, pp. 245-61.
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