Title:
NI ALLOY POWDER SUITED TO ADDITIVE MANUFACTURING AND ADDITIVELY MANUFACTURED ARTICLE OBTAINED USING SAME
Document Type and Number:
WIPO Patent Application WO/2023/074613
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing an Ni alloy powder that is suited to additive manufacturing and has excellent high-temperature strength and cracking resistance. Provided is an Ni alloy powder that is, by mass, 40.00%–70.00% Ni, 15.00%–25.00% Cr, 0.10%–12.00% Mo, 3.00%–7.00% Nb, 0.10%–1.50% Al, 0.10%–2.00% Ti, 0.01%–0.40% Si, 0.001%–0.15% C, 0.0002%–0.0040% B, 0%–0.002% S, and a total of 0%–7.00% W and/or Co, the remainder being Fe and unavoidable impurities, the Ni alloy powder having an A1 (strength parameter) value of at least 200 and an A2 (cracking resistance parameter) value of no more than 200.
Inventors:
MIURA YUKA (JP)
HAGIYA TORU (JP)
MAEDA SOICHIRO (JP)
AIKAWA YOSHIKAZU (JP)
HAGIYA TORU (JP)
MAEDA SOICHIRO (JP)
AIKAWA YOSHIKAZU (JP)
Application Number:
PCT/JP2022/039500
Publication Date:
May 04, 2023
Filing Date:
October 24, 2022
Export Citation:
Assignee:
SANYO SPECIAL STEEL CO LTD (JP)
International Classes:
C22C30/00; B22F1/00; B22F10/20; B22F10/25; B22F10/28; B23K35/30; B33Y70/00; B33Y80/00; C22C1/04; C22C19/05; C22C38/00; C22C38/54
Domestic Patent References:
| WO2020187368A1 | 2020-09-24 | |||
| WO2021066142A1 | 2021-04-08 | |||
| WO2015151808A1 | 2015-10-08 |
Foreign References:
| JP2012517524A | 2012-08-02 | |||
| JP2020528967A | 2020-10-01 | |||
| JP2014237884A | 2014-12-18 | |||
| JPH06293946A | 1994-10-21 |
Attorney, Agent or Firm:
MIYAJIMA Manabu et al. (JP)
Download PDF: