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論文情報
タイトル
Effect of Fabrication Process on Internal Friction and Elastic Modulus of SiC/SiC Composites
著者
Serizawa, Hisashi
Serizawa, Hisashi
Sato, Shinji
Sato, Shinji
Araki, Hiroshi
Araki, Hiroshi
Noda, Tetsuji
Noda, Tetsuji
Kohyama, Akira
Kohyama, Akira
キーワード等
Internal Friction
Elastic Modulus
Heat Treatment Temperature
Temperature Dependence
Silicon Carbide
Composite
抄録
Silicon carbide (SiC) based fiber reinforced SiC composites have been fabricated by various methods which are, for example, polymer impregnation and pyrolysis (PIP), hot press (HP) and chemical vapor infiltration (CVI) processes. It is also well known that there are many differences in the density, the elastic modulus and the strength of composites made by those methods. In this paper, the effect of fabrication process on the internal friction and elastic modulus of SiC/SiC composites was studied. From the temperature dependences of internal friction and elastic modulus of composites made by PIP, HP and CVI processes, a suitable method to make the high-damping SiC-based composite with a good elastic property is considered to be the CVI process. In the case of the composite produced by the CVI process at 1323 K, a stable peak of internal friction due to the grain boundary relaxation was obtained at about 1200 K. The temperature of this peak moved to the lower side after heat treatment at 1773 K. Also, it was found that the peak was not affected by the property of the SiC based fiber but by the microstructure of the matrix.
公開者
大阪大学接合科学研究所
公開者の別表記
Joining and Welding Research Institute, Osaka University
公開者 (ヨミ)
オオサカ ダイガク セツゴウ カガク ケンキュウジョ
掲載誌名
Transactions of JWRI
巻
34
号
1
開始ページ
125
終了ページ
130
刊行年月
2005-07
ISSN
03874508
NCID
AA00867058
URL
http://hdl.handle.net/11094/11106
言語
英語
カテゴリ
紀要論文 Departmental Bulletin Paper
Transactions of JWRI / Vol.34 No.1 (2005-07)
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text
DCTERMS.bibliographicCitation
Transactions of JWRI.34(1) P.125-P.130
DC.title
Effect of Fabrication Process on Internal Friction and Elastic Modulus of SiC/SiC Composites
DC.creator
Serizawa, Hisashi
Sato, Shinji
Araki, Hiroshi
Noda, Tetsuji
Kohyama, Akira
DC.publisher
大阪大学接合科学研究所
DC.language" scheme="DCTERMS.RFC1766
英語
DCTERMS.issued" scheme="DCTERMS.W3CDTF
2005-07
DC.identifier" scheme="DCTERMS.URI
http://hdl.handle.net/11094/11106
DC.subject
Internal Friction
Elastic Modulus
Heat Treatment Temperature
Temperature Dependence
Silicon Carbide
Composite
DCTERMS.abstract
Silicon carbide (SiC) based fiber reinforced SiC composites have been fabricated by various methods which are, for example, polymer impregnation and pyrolysis (PIP), hot press (HP) and chemical vapor infiltration (CVI) processes. It is also well known that there are many differences in the density, the elastic modulus and the strength of composites made by those methods. In this paper, the effect of fabrication process on the internal friction and elastic modulus of SiC/SiC composites was studied. From the temperature dependences of internal friction and elastic modulus of composites made by PIP, HP and CVI processes, a suitable method to make the high-damping SiC-based composite with a good elastic property is considered to be the CVI process. In the case of the composite produced by the CVI process at 1323 K, a stable peak of internal friction due to the grain boundary relaxation was obtained at about 1200 K. The temperature of this peak moved to the lower side after heat treatment at 1773 K. Also, it was found that the peak was not affected by the property of the SiC based fiber but by the microstructure of the matrix.
citation_title
Effect of Fabrication Process on Internal Friction and Elastic Modulus of SiC/SiC Composites
citation_author
Serizawa, Hisashi
Sato, Shinji
Araki, Hiroshi
Noda, Tetsuji
Kohyama, Akira
citation_publisher
大阪大学接合科学研究所
citation_language
英語
citation_date
2005-07
citation_journal_title
Transactions of JWRI
citation_volume
34
citation_issue
1
citation_firstpage
125
citation_lastpage
130
citation_issn
03874508
citation_public_url
http://hdl.handle.net/11094/11106
citation_keywords
Internal Friction
Elastic Modulus
Heat Treatment Temperature
Temperature Dependence
Silicon Carbide
Composite