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µ-Mold Shape Deposition Manufacturing of Ceramic Parts

Published online by Cambridge University Press:  10 February 2011

S.W. Nam ,
J. Stampfl ,
H.C. Liu ,
S. Kang  and
F. B. Prinz
S.W. Nam
Affiliation:
Rapid Prototyping Laboratory, Building 530, Room 226, Stanford University, Stanford CA 94305, USA
J. Stampfl
Affiliation:
Rapid Prototyping Laboratory, Building 530, Room 226, Stanford University, Stanford CA 94305, USA
H.C. Liu
Affiliation:
Rapid Prototyping Laboratory, Building 530, Room 226, Stanford University, Stanford CA 94305, USA
S. Kang
Affiliation:
Rapid Prototyping Laboratory, Building 530, Room 226, Stanford University, Stanford CA 94305, USA
F. B. Prinz
Affiliation:
Rapid Prototyping Laboratory, Building 530, Room 226, Stanford University, Stanford CA 94305, USA
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Abstract

Rapid Prototyping is a versatile method to build complex-shaped ceramic or metallic parts on a mesoscopic scale. In this work the fabrication of ceramic gas turbine engine parts with Mold Shape Deposition Manufacturing (Mold SDM) is described. Mold SDM exists of two steps: The pattern generation in wax using deposition and machining of wax layers and the pattern transfer process with gel-casting. For parts with feature sizes that are too small for machining, microfabrication methods are used to fabricate the mold. By combining micro- and macro-fabrication, complex parts in a wide variety of sizes can be manufactured.

The surface quality of the mold significantly influences the mechanical properties of the final ceramic part. The contribution of the mold quality to the final mechanical properties is studied in this work.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 625: Symposium Y – Solid Freeform & Additive Fabrication – 2000 , 2000 , 187
Copyright
Copyright © Materials Research Society 2000

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References

1 Cooper, A.G., Kang, S., Stampfl, J., Prinz, F.B., Ceramic Transactions, 2000, in print.Google Scholar
2 Stampfl, J., Liu, H.-C., Nam, S. W., Kang, S. and Prinz, F. B., in Proceedings Micromaterials 2000, edited by Michel, B., in print, Berlin, April 2000.Google Scholar