Effects of Ag Content on the Mechanical Properties of Bi-Ag Alloys Substitutable for Pb based Solder

Shimoda, Masayoshi; Yamakawa, Tomohiro; Shiokawa, Kunio; Nishikawa, Hiroshi; Takemoto, Tadashi

doi:https://doi.org/10.18910/24863

Effects of Ag Content on the Mechanical Properties of Bi-Ag Alloys Substitutable for Pb based Solder

Shimoda, Masayoshi; Yamakawa, Tomohiro; Shiokawa, Kunio et al.

Transactions of JWRI, 2012, 41(2), 51-54

アクセス数:607件（2025-07-01 10:25 集計）

固定URL: https://doi.org/10.18910/24863

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タイトル	Effects of Ag Content on the Mechanical Properties of Bi-Ag Alloys Substitutable for Pb based Solder
著者	著者名 Shimoda, Masayoshi
	著者名 Yamakawa, Tomohiro
	著者名 Shiokawa, Kunio
	NRID 1000090346180 1000090346180 ORCID 0000-0002-4363-9520 0000-0002-4363-9520 researchmap permalink read0191232 read0191232 Scopus Author ID 57219209494 57219209494 著者名 Nishikawa, Hiroshi
	NRID 1000060093431 1000060093431 著者名 Takemoto, Tadashi
キーワード等	Bi-Ag alloys
	Tensile strength
	Elongation
	Solidification rate
	Primary Ag phase
抄録	As one of the candidate materials for the high-temperature-resistant joining materials which substitute from the conventional Pb-rich solder, Bi-Ag solder alloys were used to investigate the characteristics. The mechanical properties have been investigated on lead-free Bi-Ag alloys using tensile tests to clarify the important characteristics for solder alloys having reflow resistant relatively high melting temperature solders. The tensile strength gradually increased with increase of Ag content, however, the elongation showed a minimum at eutectic Bi-2.5Ag and it only slightly increased with increase of Ag content up to 11%Ag for quenched alloys. On the other hand, air cooled Bi-11Ag alloy showed improved elongation about 20%, the value is much higher than that of quenched one, about 3%. The hypereutectic Bi-11Ag solder can be used as a solder material having relatively good wettability and mechanical properties, in particular it showed elongation of 20% under air cooled condition.
出版者	大阪大学接合科学研究所
	オオサカダイガクセツゴウカガクケンキュウジョ
	Joining and Welding Research Institute, Osaka University
収録物名	Transactions of JWRI
巻(号)	41(2)
ページ	51-54
刊行年月	2012-12
言語	英語
ハンドルURL	https://hdl.handle.net/11094/24863
DOI	https://doi.org/10.18910/24863
PISSN	03874508
NCID	AA00867058
アクセス権	open access
出版タイプ	Version of Record
カテゴリ	紀要論文 Departmental Bulletin Paper
カテゴリ	Transactions of JWRI / Vol.41 No.2 (2012-12)

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. 2012, 41(2), p. 51-54
DC.title	Effects of Ag Content on the Mechanical Properties of Bi-Ag Alloys Substitutable for Pb based Solder
DC.creator	Shimoda, Masayoshi
	Yamakawa, Tomohiro
	Shiokawa, Kunio
	Nishikawa, Hiroshi
	Takemoto, Tadashi
DC.publisher	大阪大学接合科学研究所
	オオサカダイガクセツゴウカガクケンキュウジョ
	Joining and Welding Research Institute, Osaka University
DC.language' scheme='DCTERMS.RFC1766	英語
DC.type' scheme='DCTERMS.DCMIType	text
DCTERMS.issued' scheme='DCTERMS.W3CDTF	2012-12
DC.subject	Bi-Ag alloys
	Tensile strength
	Elongation
	Solidification rate
	Primary Ag phase
DCTERMS.abstract	As one of the candidate materials for the high-temperature-resistant joining materials which substitute from the conventional Pb-rich solder, Bi-Ag solder alloys were used to investigate the characteristics. The mechanical properties have been investigated on lead-free Bi-Ag alloys using tensile tests to clarify the important characteristics for solder alloys having reflow resistant relatively high melting temperature solders. The tensile strength gradually increased with increase of Ag content, however, the elongation showed a minimum at eutectic Bi-2.5Ag and it only slightly increased with increase of Ag content up to 11%Ag for quenched alloys. On the other hand, air cooled Bi-11Ag alloy showed improved elongation about 20%, the value is much higher than that of quenched one, about 3%. The hypereutectic Bi-11Ag solder can be used as a solder material having relatively good wettability and mechanical properties, in particular it showed elongation of 20% under air cooled condition.
DC.identifier	10.18910/24863
DC.format	24863
citation_title	Effects of Ag Content on the Mechanical Properties of Bi-Ag Alloys Substitutable for Pb based Solder
citation_author	Shimoda, Masayoshi
	Yamakawa, Tomohiro
	Shiokawa, Kunio
	Nishikawa, Hiroshi
	Takemoto, Tadashi
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	51
citation_lastpage	54
citation_public_url	https://hdl.handle.net/11094/24863
citation_doi_detail	10.18910/24863
citation_doi	https://doi.org/10.18910/24863

Effects of Ag Content on the Mechanical Properties of Bi-Ag Alloys Substitutable for Pb based Solder

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