Title:
METAL POWDER FOR ADDITIVE MANUFACTURING AND ADDITIVELY MANUFACTURED PRODUCT USING SAME
Document Type and Number:
WIPO Patent Application WO/2022/196778
Kind Code:
A1
Abstract:
Provided are: a metal powder for additive manufacturing that makes it possible to produce an additively manufactured product that has excellent mechanical properties and few internal flaws and undergoes little deformation due to strain; and an additively manufactured product using the metal powder for additive manufacturing. A metal powder for additive manufacturing that comprises, by mass%, 14.0%–24.0% of Ni, 2.0%–8.0% of Mo, 10.5%–20.0% of Co, 0.01%–2.00% of Al, and 0.10%–3.00% of Ti, the remainder being Fe and unavoidable impurities. An additively manufactured product that comprises, by mass%, 14.0%–24.0% of Ni, 2.0%–8.0% of Mo, 10.5%–20.0% of Co, 0.01%–2.00% of Al, and 0.10%–3.00% of Ti, the remainder being Fe and unavoidable impurities. In a cross-section of the additively manufactured product taken parallel to the build direction, there are fewer than 0.1 flaws that have a circle equivalent diameter of more than 20 μm per 1 mm2.
Inventors:
FUKUZAWA NORIHIDE (JP)
SAITO KAZUYA (JP)
WANG JUE (JP)
SAITO KAZUYA (JP)
WANG JUE (JP)
Application Number:
PCT/JP2022/012428
Publication Date:
September 22, 2022
Filing Date:
March 17, 2022
Export Citation:
Assignee:
HITACHI METALS LTD (JP)
International Classes:
C22C38/00; B22F1/00; B22F10/28; B22F10/34; B33Y70/00; B33Y80/00; C22C38/14
Domestic Patent References:
| WO2019124296A1 | 2019-06-27 | |||
| WO2019082638A1 | 2019-05-02 |
Foreign References:
| JP2021172864A | 2021-11-01 | |||
| JP6295001B1 | 2018-03-14 |
Other References:
See also references of EP 4310215A4
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