Spark Plasma Sintering of Binderless n-WC and n-WC- X (X=Nb, Re, Ta, Ti, B, Si)

Kumar Ak, Nanda; Watabe, Masaaki; Yamauchi, Akira; Kobayashi, Akira; Kurokawa, Kazuya

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タイトル	Spark Plasma Sintering of Binderless n-WC and n-WC- X (X=Nb, Re, Ta, Ti, B, Si)
著者	Kumar Ak, Nanda Kumar Ak, Nanda
	Watabe, Masaaki Watabe, Masaaki
	Yamauchi, Akira Yamauchi, Akira
	Kobayashi, Akira Kobayashi, Akira
	Kurokawa, Kazuya Kurokawa, Kazuya
キーワード等	Spark Plasma Sintering
	Nano tungsten carbide
	Microstructure
	Mechanical properties
	Grain growth inhibition
	Heating rates
抄録	Nano sized tungsten carbide (n-WC) compacts with and without grain growth inhibitors were synthesized by Spark Plasma Sintering (SPS) with different heating rates. The microstructure and mechanical properties of the various samples were compared. Grain growth inhibition effects increased in the order Nb>Re>Ta>Ti and with increasing heating rate. Addition of Si and B increases grain growth, but suppresses the formation of the brittle semi carbide (W₂C) phase. Using the WC-X phase diagram and the sintering rate curves, we try to generalize the effect of various grain growth inhibitors on the sintering of n-WC.
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	39
号	1
開始ページ	47
終了ページ	56
刊行年月	2010-09
ISSN	03874508
NCID	AA00867058
URL	http://hdl.handle.net/11094/11734
言語	英語
カテゴリ	紀要論文 Departmental Bulletin Paper
カテゴリ	Transactions of JWRI / Vol.39 No.1 (2010-09)

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.39(1) P.47-P.56
DC.title	Spark Plasma Sintering of Binderless n-WC and n-WC- X (X=Nb, Re, Ta, Ti, B, Si)
DC.creator	Kumar Ak, Nanda
	Watabe, Masaaki
	Yamauchi, Akira
	Kobayashi, Akira
	Kurokawa, Kazuya
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	2010-09
DC.identifier" scheme="DCTERMS.URI	http://hdl.handle.net/11094/11734
DC.subject	Spark Plasma Sintering
	Nano tungsten carbide
	Microstructure
	Mechanical properties
	Grain growth inhibition
	Heating rates
DCTERMS.abstract	Nano sized tungsten carbide (n-WC) compacts with and without grain growth inhibitors were synthesized by Spark Plasma Sintering (SPS) with different heating rates. The microstructure and mechanical properties of the various samples were compared. Grain growth inhibition effects increased in the order Nb>Re>Ta>Ti and with increasing heating rate. Addition of Si and B increases grain growth, but suppresses the formation of the brittle semi carbide (W₂C) phase. Using the WC-X phase diagram and the sintering rate curves, we try to generalize the effect of various grain growth inhibitors on the sintering of n-WC.
citation_title	Spark Plasma Sintering of Binderless n-WC and n-WC- X (X=Nb, Re, Ta, Ti, B, Si)
citation_author	Kumar Ak, Nanda
	Watabe, Masaaki
	Yamauchi, Akira
	Kobayashi, Akira
	Kurokawa, Kazuya
citation_publisher	大阪大学接合科学研究所
citation_language	英語
citation_date	2010-09
citation_journal_title	Transactions of JWRI
citation_volume	39
citation_issue	1
citation_firstpage	47
citation_lastpage	56
citation_issn	03874508
citation_public_url	http://hdl.handle.net/11094/11734
citation_keywords	Spark Plasma Sintering
	Nano tungsten carbide
	Microstructure
	Mechanical properties
	Grain growth inhibition
	Heating rates

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