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1. (WO2018042733) Mo-Si-B ALLOY, METHOD FOR MANUFACTURING Mo-Si-B ALLOY, AND TOOL FOR FRICTION STIR WELDING

Pub. No.:    WO/2018/042733    International Application No.:    PCT/JP2017/011659
Publication Date: Fri Mar 09 00:59:59 CET 2018 International Filing Date: Fri Mar 24 00:59:59 CET 2017
IPC: C22C 27/04
B23K 20/12
Applicants: TOHOKU UNIVERSITY
国立大学法人東北大学
Inventors: YOSHIMI Kyosuke
吉見 享祐
NAKAYAMA Shunichi
中山 俊一
SATO Yutaka
佐藤 裕
Title: Mo-Si-B ALLOY, METHOD FOR MANUFACTURING Mo-Si-B ALLOY, AND TOOL FOR FRICTION STIR WELDING
Abstract:
[Problem] To provide a Mo-Si-B alloy having more excellent high-temperature strength characteristics, a method for manufacturing a Mo-Si-B alloy, and a tool for friction stir welding applicable to an Ni-based superalloy and a Ti alloy. [Solution] The present invention has 60 atomic% to 75 atomic% Mo, 1.7 atomic% to 6.7 atomic% Si, 3.3 atomic% to 13.3 atomic% B, 1.0 atomic% to 14.0 atomic% Ti, 1.0 atomic% to 14.0 atomic% Zr, and 5.0 atomic% to 15.0 atomic% C.