Measuring Method of Non-Crystallinity for Amorphous Alloy by Ion Beam Bombardment

Takao, Yoshiyuki; Kanda, Yukinori; Kobayashi, Akira

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タイトル	Measuring Method of Non-Crystallinity for Amorphous Alloy by Ion Beam Bombardment
著者	Takao, Yoshiyuki Takao, Yoshiyuki
	Kanda, Yukinori Kanda, Yukinori
	Kobayashi, Akira Kobayashi, Akira
キーワード等	Sputtering
	Ion Beam
	Amorphous Alloy
	Topographical Change
	Non-Crystallinity
抄録	Amorphous alloy is one of the newest materials, recently used in many industrial fields and it has many useful properties such as magnetic or mechanical. The properties will deteriorate when amorphous alloys are crystallized by unexpected heating or low temperature annealing for a long time. In order to evaluate the amorphous grade, we propose a new method based on investigating topographical changes of the amorphous surface by ion bombardment. When an amorphous alloy contains crystal grains, characteristic microfeatures such as cones and pyramids are produced and developed in proportion to the number of the grains on the surface by irradiation with ions. In the present work, the topographical changes of thin amorphous alloy wires (Fe_<77.5>B_<7.5>Si_<15>, 125µm in diameter) annealed at several temperatures up to 650℃ about 10 hours for crystallization and then irradiated by 20 keV argon ions of 2x10＾23 ions/m＾2 were studied using a scanning electron microscope. The relation between the topographical changes and the annealing conditions: the non-crystallinity of amorphous alloys is reported.
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	41
号	2
開始ページ	27
終了ページ	31
刊行年月	2012-12
ISSN	03874508
NCID	AA00867058
URL	http://hdl.handle.net/11094/24857
言語	英語

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.41(2) P.27-P.31
DC.title	Measuring Method of Non-Crystallinity for Amorphous Alloy by Ion Beam Bombardment
DC.creator	Takao, Yoshiyuki
	Kanda, Yukinori
	Kobayashi, 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	2012-12
DC.identifier" scheme="DCTERMS.URI	http://hdl.handle.net/11094/24857
DC.subject	Sputtering
	Ion Beam
	Amorphous Alloy
	Topographical Change
	Non-Crystallinity
DCTERMS.abstract	Amorphous alloy is one of the newest materials, recently used in many industrial fields and it has many useful properties such as magnetic or mechanical. The properties will deteriorate when amorphous alloys are crystallized by unexpected heating or low temperature annealing for a long time. In order to evaluate the amorphous grade, we propose a new method based on investigating topographical changes of the amorphous surface by ion bombardment. When an amorphous alloy contains crystal grains, characteristic microfeatures such as cones and pyramids are produced and developed in proportion to the number of the grains on the surface by irradiation with ions. In the present work, the topographical changes of thin amorphous alloy wires (Fe_<77.5>B_<7.5>Si_<15>, 125µm in diameter) annealed at several temperatures up to 650℃ about 10 hours for crystallization and then irradiated by 20 keV argon ions of 2x10＾23 ions/m＾2 were studied using a scanning electron microscope. The relation between the topographical changes and the annealing conditions: the non-crystallinity of amorphous alloys is reported.
citation_title	Measuring Method of Non-Crystallinity for Amorphous Alloy by Ion Beam Bombardment
citation_author	Takao, Yoshiyuki
	Kanda, Yukinori
	Kobayashi, Akira
citation_publisher	大阪大学接合科学研究所
citation_language	英語
citation_date	2012-12
citation_journal_title	Transactions of JWRI
citation_volume	41
citation_issue	2
citation_firstpage	27
citation_lastpage	31
citation_issn	03874508
citation_public_url	http://hdl.handle.net/11094/24857
citation_keywords	Sputtering
	Ion Beam
	Amorphous Alloy
	Topographical Change
	Non-Crystallinity

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