Effect of Fabrication Process on Internal Friction and Elastic Modulus of SiC/SiC Composites

Serizawa, Hisashi; Sato, Shinji; Araki, Hiroshi; Noda, Tetsuji; Kohyama, Akira

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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
カテゴリ	Transactions of JWRI / Vol.34 No.1 (2005-07)

著者版フラグ	publisher
NII資源タイプ	紀要論文
ローカル資源タイプ	紀要論文
dcmi資源タイプ	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

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