Microstructural evolution and mechanical behavior of friction stir welded additively manufactured Haynes 282 Ni superalloy

Sharma, Abhishek; Singh, Sukhdeep; Morisada, Yoshiaki; Ushioda, Kohsaku; Andersson, Joel; Fujii, Hidetoshi

doi:https://doi.org/10.1016/j.matdes.2025.115029

Microstructural evolution and mechanical behavior of friction stir welded additively manufactured Haynes 282 Ni superalloy

Sharma, Abhishek; Singh, Sukhdeep; Morisada, Yoshiaki et al.

Materials and Design, 2025, 260, 115029

アクセス数:21件（2026-02-16 10:17 集計）

固定URL: https://hdl.handle.net/11094/103685

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タイトル	Microstructural evolution and mechanical behavior of friction stir welded additively manufactured Haynes 282 Ni superalloy
著者	NRID 1000050993705 1000050993705 ORCID 0000-0002-3384-861X 0000-0002-3384-861X researchmap permalink sharma_abhishek sharma_abhishek Scopus Author ID 57214356255 57214356255 著者名 Sharma, Abhishek
	著者名 Singh, Sukhdeep
	NRID 1000000416356 1000000416356 researchmap permalink morisada morisada 著者名 Morisada, Yoshiaki
	著者名 Ushioda, Kohsaku
	著者名 Andersson, Joel
	NRID 1000000247230 1000000247230 ORCID 0000-0002-5023-3844 0000-0002-5023-3844 researchmap permalink read0051741 read0051741 Scopus Author ID 7403071460 7403071460 著者名 Fujii, Hidetoshi
キーワード等	Additive manufacturing
	Electron beam powder bed fusion (EB-PBF)
	Friction stir welding (FSW)
	Haynes 282
	Ni superalloy
内容	Sharma A., Singh S., Morisada Y., et al. Microstructural evolution and mechanical behavior of friction stir welded additively manufactured Haynes 282 Ni superalloy. Materials and Design 260, 115029 (2025); https://doi.org/10.1016/j.matdes.2025.115029.
抄録	Haynes 282 (H282) is a gamma prime (γ′) strengthened nickel-based superalloy with applications in jet engine turbine components and other aerospace applications. Electron beam powder bed fusion (EB-PBF) additive manufacturing (AM) enables efficient fabrication of H282 by promoting in-situ γ′ precipitation. However, integrating AMed parts with conventionally made components is cost-effective and often necessary, requiring reliable joining methods. This study explores friction stir welding (FSW) of as-built EB-PBF H282 using a novel hemispherical Si3N4 tool tilted toward the retreating side. A joint efficiency of 100 % in ultimate tensile strength was achieved in both as-welded and post-weld heat-treated (PWHT) conditions. UTS increased from ∼ 1000 MPa (as-built) to ∼ 1039 MPa after FSW, and ∼ 1258 MPa after PWHT. FSW induced dynamic recrystallization, refining grain size from ∼ 170 µm to ∼ 7 µm in the stir zone, while also eliminating typical AM defects like porosity and lack of fusion. During FSW, γ′ precipitates dissolved in the SZ but were restored during PWHT along with other strengthening phases—Ti-, Mo-rich MC, and Cr-rich M23C6 carbides. The main strengthening mechanisms were Hall-Petch, dislocation, and precipitation strengthening. Results are compared to FSW of solution-annealed AM H282 and wrought H282, confirming FSW’s effectiveness in enhancing microstructural and mechanical performance.
出版者	Elsevier Ltd
収録物名	Materials and Design
巻(号)	260
ページ	115029
刊行年月	2025-10-29
言語	英語
ハンドルURL	https://hdl.handle.net/11094/103685
PISSN	02641275
eISSN	18734197
関連情報 (isIdenticalTo)	DOI (出版社版) https://doi.org/10.1016/j.matdes.2025.115029
アクセス権	open access
権利情報	This article is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
出版タイプ	Version of Record
カテゴリ	学術雑誌論文 Journal Article

資源タイプ	学術雑誌論文
ローカル資源タイプ	学術雑誌論文
DCMI資源タイプ	text
DCTERMS.bibliographicCitation	Materials and Design. 2025, 260, p. 115029
DC.title	Microstructural evolution and mechanical behavior of friction stir welded additively manufactured Haynes 282 Ni superalloy
DC.creator	Sharma, Abhishek
	Singh, Sukhdeep
	Morisada, Yoshiaki
	Ushioda, Kohsaku
	Andersson, Joel
	Fujii, Hidetoshi
DC.publisher	Elsevier Ltd
DC.language' scheme='DCTERMS.RFC1766	英語
DC.type' scheme='DCTERMS.DCMIType	text
DCTERMS.issued' scheme='DCTERMS.W3CDTF	2025-10-29
DC.identifier	https://doi.org/10.1016/j.matdes.2025.115029
DC.subject	Additive manufacturing
	Electron beam powder bed fusion (EB-PBF)
	Friction stir welding (FSW)
	Haynes 282
	Ni superalloy
DC.description	Sharma A., Singh S., Morisada Y., et al. Microstructural evolution and mechanical behavior of friction stir welded additively manufactured Haynes 282 Ni superalloy. Materials and Design 260, 115029 (2025); https://doi.org/10.1016/j.matdes.2025.115029.
DCTERMS.abstract	Haynes 282 (H282) is a gamma prime (γ′) strengthened nickel-based superalloy with applications in jet engine turbine components and other aerospace applications. Electron beam powder bed fusion (EB-PBF) additive manufacturing (AM) enables efficient fabrication of H282 by promoting in-situ γ′ precipitation. However, integrating AMed parts with conventionally made components is cost-effective and often necessary, requiring reliable joining methods. This study explores friction stir welding (FSW) of as-built EB-PBF H282 using a novel hemispherical Si3N4 tool tilted toward the retreating side. A joint efficiency of 100 % in ultimate tensile strength was achieved in both as-welded and post-weld heat-treated (PWHT) conditions. UTS increased from ∼ 1000 MPa (as-built) to ∼ 1039 MPa after FSW, and ∼ 1258 MPa after PWHT. FSW induced dynamic recrystallization, refining grain size from ∼ 170 µm to ∼ 7 µm in the stir zone, while also eliminating typical AM defects like porosity and lack of fusion. During FSW, γ′ precipitates dissolved in the SZ but were restored during PWHT along with other strengthening phases—Ti-, Mo-rich MC, and Cr-rich M23C6 carbides. The main strengthening mechanisms were Hall-Petch, dislocation, and precipitation strengthening. Results are compared to FSW of solution-annealed AM H282 and wrought H282, confirming FSW’s effectiveness in enhancing microstructural and mechanical performance.
DC.rights	This article is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
DC.format	103685
citation_title	Microstructural evolution and mechanical behavior of friction stir welded additively manufactured Haynes 282 Ni superalloy
citation_author	Sharma, Abhishek
	Singh, Sukhdeep
	Morisada, Yoshiaki
	Ushioda, Kohsaku
	Andersson, Joel
	Fujii, Hidetoshi
citation_publisher	Elsevier Ltd
citation_language	英語
citation_date	2025-10-29
citation_journal_title	Materials and Design
citation_volume	260
citation_firstpage	115029
citation_doi	https://doi.org/10.1016/j.matdes.2025.115029
citation_public_url	https://hdl.handle.net/11094/103685

Microstructural evolution and mechanical behavior of friction stir welded additively manufactured Haynes 282 Ni superalloy

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