Studies on the effects of operating parameters in manufacturing C/SiC composites by the pulse-CVI
- Authors
- Kim, IG; Kim, YT; Chung, GY
- Issue Date
- Aug-2005
- Publisher
- SOC CHEMICAL ENG JAPAN
- Keywords
- pulse-CVI; C/SiC composite; effects of pulses; amount of deposition; porosity
- Citation
- JOURNAL OF CHEMICAL ENGINEERING OF JAPAN, v.38, no.8, pp.650 - 656
- Journal Title
- JOURNAL OF CHEMICAL ENGINEERING OF JAPAN
- Volume
- 38
- Number
- 8
- Start Page
- 650
- End Page
- 656
- URI
- https://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/25167
- DOI
- 10.1252/jcej.38.650
- ISSN
- 0021-9592
- Abstract
- Manufacturing C/SiC composites from the reaction of methyltrichlorosilane (NITS) and hydrogen by the pulse CVI (Chemical Vapor Infiltration) was studied. In the pulse CVI, three steps such as evacuation of the reactor (t(e)), injection of reactant gases (t(i)), and infiltration and deposition reaction during a hold-on period (t(r)) were repeated. Effects of each step were studied by changing the duration of each step. As the evacuation time increased and the reaction time decreased during the same total actual reaction time, the amount of deposition in the preform increased. Effects of the changes of evacuation time were greater than those of reaction time. The same results were confirmed with the thermal analysis data, porosimeter, and SEM.
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Collections - Department of General Studies > Department of General Studies > 1. Journal Articles
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