Transient three-dimensional simulation of densification process of carbon fibre preforms via chemical vapour infiltration of carbon matrix from methane

Zhepeng Tang, Aijun Li, Tomo Hatakeyama, Hiroki Shuto, Jun ichiro Hayashi, Koyo Norinaga

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Chemical vapour infiltration (CVI) is widely used for fabricating carbon fibre-reinforced carbon materials for aircraft brake disks. This study aims at developing a numerical simulation method for predicting densification of the material during the CVI. Based on the multi-step reaction and deposition models, including the hydrogen inhibition model of pyrocarbon growth, transient 3D simulations of the CVI using methane as a precursor of the pyrocarbon were carried out via the finite element method coupling the mass transfer (by convection and diffusion) and the evolutive porous structure model with gas-phase and surface chemical reactions. The CVI of two different types of preforms was studied. The pore structure evolution models were derived not analytically but numerically with the aid of a computational tool for visualizing the fibre structures. An acceptable agreement was found between the predicted densification profiles and the experimental data obtained using a laboratory CVI reactor at a temperature of 1343 K, a methane pressure of 30 kPa and a total deposition time of 120 h.

Original languageEnglish
Pages (from-to)107-115
Number of pages9
JournalChemical Engineering Science
Volume176
DOIs
Publication statusPublished - Feb 2 2018

Fingerprint

Chemical vapor infiltration
Methane
Densification
Carbon fibers
Carbon
Laboratory Chemicals
Pore structure
Model structures
Brakes
Chemical reactions
Hydrogen
Mass transfer
Gases
Aircraft
carbon fiber
Finite element method
Fibers
Computer simulation

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)
  • Industrial and Manufacturing Engineering

Cite this

Transient three-dimensional simulation of densification process of carbon fibre preforms via chemical vapour infiltration of carbon matrix from methane. / Tang, Zhepeng; Li, Aijun; Hatakeyama, Tomo; Shuto, Hiroki; Hayashi, Jun ichiro; Norinaga, Koyo.

In: Chemical Engineering Science, Vol. 176, 02.02.2018, p. 107-115.

Research output: Contribution to journalArticle

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