Fabrication of functionally graded reaction infiltrated SiC-Si composite by three-dimensional printing (3DP™) process

Jooho Moon, Amador C. Caballero, Leszek Hozer, Yet Ming Chiang, Michael J. Cima

Research output: Contribution to journalArticle

81 Citations (Scopus)

Abstract

Carbon performs have been fabricated using the three-dimensional printing (3DP™) process for reaction-infiltrated SiC-Si composites. Starting with glassy carbon powders of 45-105 μm sizes, the preform was produced by printing acetone-based furfuryl resin binder. The bulk density and open porosity of the resulting preform was 0.6 g cm-3 and 48%, respectively. The binder printing conditions during preform fabrication mostly determined the preform microstructure. Pressureless reactive infiltration of such preforms at 1450°C in nitrogen atmosphere formed a SiC-Si composite with a coarse-SiC grain structure. Some residual carbon remained inside the SiC grains in this reaction bonded SiC-C due to sluggish reactivity of the larger carbon powder particles. Relatively complex-shaped carbon preforms with overhang, undercut, and inner channel structures were produced, demonstrating the capability of the 3DP process. A functionally graded SiC-Si composite was also fabricated, by varying carbon-yielding binder dosage during the preform fabrication, in order to control the spatial SiC concentration within the SiC-Si composite.

Original languageEnglish
Pages (from-to)110-119
Number of pages10
JournalMaterials Science and Engineering A
Volume298
Issue number1-2
Publication statusPublished - 2001 Dec 1

Fingerprint

3D printers
preforms
printing
Carbon
Fabrication
fabrication
composite materials
Composite materials
Binders
carbon
Powders
Printing
Crystal microstructure
Glassy carbon
Acetone
Infiltration
Density (specific gravity)
glassy carbon
Nitrogen
Resins

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Moon, Jooho ; Caballero, Amador C. ; Hozer, Leszek ; Chiang, Yet Ming ; Cima, Michael J. / Fabrication of functionally graded reaction infiltrated SiC-Si composite by three-dimensional printing (3DP™) process. In: Materials Science and Engineering A. 2001 ; Vol. 298, No. 1-2. pp. 110-119.
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Fabrication of functionally graded reaction infiltrated SiC-Si composite by three-dimensional printing (3DP™) process. / Moon, Jooho; Caballero, Amador C.; Hozer, Leszek; Chiang, Yet Ming; Cima, Michael J.

In: Materials Science and Engineering A, Vol. 298, No. 1-2, 01.12.2001, p. 110-119.

Research output: Contribution to journalArticle

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