@inproceedings{3b8045187b094a7a82563d64e0149600,
title = "Friction-stir welding of high-softening-temperature materials using cobalt-based alloy tool",
abstract = "The authors have developed a new friction-stir welding (FSW) tool that enables to weld high-softening-temperature materials (HSTMs), such as steels, titanium and zirconium alloys. The new tool is made of a Co-based heat-resistant alloy strengthened by precipitating intermetallics, Co3(Al,W), with a L12 structure at high temperatures. The Co-based alloy tool exhibits yield strengths higher than 500 MPa at 1000 deg C, so it might have a great potential as a tool material for FSW of HSTMs. In this study, the feasibility of using the Co-based alloy tool with various HSTMs was examined. Changes in the tool shape during FSW and the weld appearances produced with the Co-based alloy tool will be briefly shown.",
keywords = "Co-based alloy, Friction stir welding, Steel, Ti alloy, Tool, Zr alloy",
author = "Park, {Seung Hwan C.} and Satoshi Hirano and Shinya Imano and Sato, {Yutaka S.} and Hiroyuki Kokawa and Toshihiro Omori and Kiyohito Ishida",
year = "2012",
doi = "10.4028/www.scientific.net/MSF.706-709.996",
language = "English",
isbn = "9783037853030",
series = "Materials Science Forum",
publisher = "Trans Tech Publications Ltd",
pages = "996--1001",
booktitle = "THERMEC 2011",
note = "7th International Conference on Processing and Manufacturing of Advanced Materials, THERMEC'2011 ; Conference date: 01-08-2011 Through 05-08-2011",
}