Title:
NI-BASED ALLOY POWDER FOR LAMINATION MOLDING, LAMINATION MOLDED ARTICLE, AND LAMINATION MOLDED ARTICLE MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2023/167231
Kind Code:
A1
Abstract:
Provided are: Ni-based alloy powder which is free from cracks and defects, excellent in high-temperature oxidation resistance, and suitable for lamination molding; a lamination molded article using the Ni-based alloy powder; and a manufacturing method thereof. A solution therefor is Ni-based alloy powder for lamination molding, containing Al: 3.5-5.5%, Cr: 0.8-4.0%, C: 0.02-0.06%, Si: 1.0-3.0%, Mn: 1.5% or less, and O: 0.001-0.050% in terms of mass%, the balance being Ni and inevitable impurities, the Ni-based alloy powder being characterized in that Zr included in the inevitable impurities is limited to 0.01% or less.
Inventors:
WANG JUE (JP)
AOTA KINYA (JP)
KUWABARA KOUSUKE (JP)
DAIGO YUZO (JP)
AOTA KINYA (JP)
KUWABARA KOUSUKE (JP)
DAIGO YUZO (JP)
Application Number:
PCT/JP2023/007547
Publication Date:
September 07, 2023
Filing Date:
March 01, 2023
Export Citation:
Assignee:
PROTERIAL LTD (JP)
International Classes:
B22F1/00; B22F10/20; B22F10/34; C22C1/04; C22C19/05
Domestic Patent References:
| WO2021045183A1 | 2021-03-11 |
Foreign References:
| JP2020152978A | 2020-09-24 | |||
| JP2017036485A | 2017-02-16 | |||
| JP2017508877A | 2017-03-30 |
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