Friction-stir-welding of thick carbon steels using co-based alloy tool

Itto Sugimoto; Akihiro Sato; Seung Hwan C. Park; Satoshi Hirano; Shinya Imano; Yutaka S. Sato; Hiroyuki Kokawa; Toshihiro Omori; Kiyohito Ishida

Friction-stir-welding of thick carbon steels using co-based alloy tool

Itto Sugimoto, Akihiro Sato, Seung Hwan C. Park, Satoshi Hirano, Shinya Imano, Yutaka S. Sato, Hiroyuki Kokawa, Toshihiro Omori, Kiyohito Ishida

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2 Citations (Scopus)

Abstract

Friction-stir-welding (FSW) is a solid-phase joining process, and many studies on the application to structural steels have been published. In this study, FSW of thick carbon steel was conducted using heat-resistant moldable Co-based alloy tools. In the weld trials, acceptable appearances were created using a tool with a probe shorter than 9 mm, while a tool with a 12-mm long probe could not successfully weld the materials. The stir zone (SZ) had slightly higher hardness than the base material and fine grains of less than 10 μm in diameter. Comparing the different tool geometries, the tool with 3-flats and a step spiral embedded in the probe effectively reduced the output power of the motor for tool rotation.

Original language	English
Title of host publication	Friction Stir Welding and Processing VII - Held During the TMS 2013 Annual Meeting and Exhibition
Pages	101-106
Number of pages	6
Publication status	Published - 2013 Apr 25
Event	Friction Stir Welding and Processing VII - TMS 2013 Annual Meeting and Exhibition - San Antonio, TX, United States Duration: 2013 Mar 3 → 2013 Mar 7

Publication series

Name	TMS Annual Meeting

Other

Other	Friction Stir Welding and Processing VII - TMS 2013 Annual Meeting and Exhibition
Country	United States
City	San Antonio, TX
Period	13/3/3 → 13/3/7

Keywords

Carbon steels
Co-based alloy
Friction-stir-welding
Tool

ASJC Scopus subject areas

Condensed Matter Physics
Mechanics of Materials
Metals and Alloys

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Cite this

Sugimoto, I., Sato, A., Park, S. H. C., Hirano, S., Imano, S., Sato, Y. S., Kokawa, H., Omori, T., & Ishida, K. (2013). Friction-stir-welding of thick carbon steels using co-based alloy tool. In Friction Stir Welding and Processing VII - Held During the TMS 2013 Annual Meeting and Exhibition (pp. 101-106). (TMS Annual Meeting).

Friction-stir-welding of thick carbon steels using co-based alloy tool. / Sugimoto, Itto; Sato, Akihiro; Park, Seung Hwan C.; Hirano, Satoshi; Imano, Shinya; Sato, Yutaka S.; Kokawa, Hiroyuki; Omori, Toshihiro; Ishida, Kiyohito.

Friction Stir Welding and Processing VII - Held During the TMS 2013 Annual Meeting and Exhibition. 2013. p. 101-106 (TMS Annual Meeting).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Sugimoto, I, Sato, A, Park, SHC, Hirano, S, Imano, S, Sato, YS, Kokawa, H, Omori, T & Ishida, K 2013, Friction-stir-welding of thick carbon steels using co-based alloy tool. in Friction Stir Welding and Processing VII - Held During the TMS 2013 Annual Meeting and Exhibition. TMS Annual Meeting, pp. 101-106, Friction Stir Welding and Processing VII - TMS 2013 Annual Meeting and Exhibition, San Antonio, TX, United States, 13/3/3.

Sugimoto, Itto ; Sato, Akihiro ; Park, Seung Hwan C. ; Hirano, Satoshi ; Imano, Shinya ; Sato, Yutaka S. ; Kokawa, Hiroyuki ; Omori, Toshihiro ; Ishida, Kiyohito. / Friction-stir-welding of thick carbon steels using co-based alloy tool. Friction Stir Welding and Processing VII - Held During the TMS 2013 Annual Meeting and Exhibition. 2013. pp. 101-106 (TMS Annual Meeting).

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abstract = "Friction-stir-welding (FSW) is a solid-phase joining process, and many studies on the application to structural steels have been published. In this study, FSW of thick carbon steel was conducted using heat-resistant moldable Co-based alloy tools. In the weld trials, acceptable appearances were created using a tool with a probe shorter than 9 mm, while a tool with a 12-mm long probe could not successfully weld the materials. The stir zone (SZ) had slightly higher hardness than the base material and fine grains of less than 10 μm in diameter. Comparing the different tool geometries, the tool with 3-flats and a step spiral embedded in the probe effectively reduced the output power of the motor for tool rotation.",

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author = "Itto Sugimoto and Akihiro Sato and Park, {Seung Hwan C.} and Satoshi Hirano and Shinya Imano and Sato, {Yutaka S.} and Hiroyuki Kokawa and Toshihiro Omori and Kiyohito Ishida",

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AU - Sugimoto, Itto

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AU - Imano, Shinya

AU - Sato, Yutaka S.

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AB - Friction-stir-welding (FSW) is a solid-phase joining process, and many studies on the application to structural steels have been published. In this study, FSW of thick carbon steel was conducted using heat-resistant moldable Co-based alloy tools. In the weld trials, acceptable appearances were created using a tool with a probe shorter than 9 mm, while a tool with a 12-mm long probe could not successfully weld the materials. The stir zone (SZ) had slightly higher hardness than the base material and fine grains of less than 10 μm in diameter. Comparing the different tool geometries, the tool with 3-flats and a step spiral embedded in the probe effectively reduced the output power of the motor for tool rotation.

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