Title:
SEAL MEMBER AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2021/206142
Kind Code:
A1
Abstract:
The present invention provides a seal member capable of maintaining functionality, even in usage environments of approximately 900°C, while avoiding excess addition of Co. The present invention is a seal member comprising a γ' precipitation hardened alloy. The present invention has a constituent composition containing, in terms of mass %, 40 to 62% of Ni, 13 to 20% of Cr, 1.5 to 2.8% of Ti, 1.0 to 2.0% of Al (Ti/Al being 2.0 or less), 2.0% or less of Nb, 2.0% or less of Ta (0.2 to 2.0% of Nb + Ta), 0.001 to 0.010% of B, 3.0% or less of W, and 2.0% or less of Mo (1.0 to 2.5% of Mo + (1/2)W), the remainder being Fe and unavoidable impurities, displays a hardness of 250 Hv, and is characterized by comprising a cold rolled structure which has been cold rolled.
Inventors:
KUMAGAI YOSHIKI (JP)
SUMI YOSHINORI (JP)
UETA SHIGEKI (JP)
YAMAMOTO HIROKI (JP)
SAITO ISAMU (JP)
SUMI YOSHINORI (JP)
UETA SHIGEKI (JP)
YAMAMOTO HIROKI (JP)
SAITO ISAMU (JP)
Application Number:
PCT/JP2021/014902
Publication Date:
October 14, 2021
Filing Date:
April 08, 2021
Export Citation:
Assignee:
HONDA MOTOR CO LTD (JP)
DAIDO STEEL CO LTD (JP)
DAIDO STEEL CO LTD (JP)
International Classes:
C22C19/05; C22F1/10; C22F1/00
Domestic Patent References:
| WO2017104755A1 | 2017-06-22 |
Foreign References:
| JPH0711376A | 1995-01-13 | |||
| JP2008304059A | 2008-12-18 | |||
| JP2015529743A | 2015-10-08 | |||
| JP2014194262A | 2014-10-09 |
Attorney, Agent or Firm:
MUTSUKI PARTNERS (JP)
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