Aluminum alloy powder and manufacturing method of aluminum alloy object
US-2018126457-A1 · May 10, 2018 · US
Aluminum particle group and method for manufacturing the same
US12589434B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-12589434-B2 |
| Application number | US-201616344261-A |
| Country | US |
| Kind code | B2 |
| Filing date | Oct 24, 2016 |
| Priority date | Oct 24, 2016 |
| Publication date | Mar 31, 2026 |
| Grant date | Mar 31, 2026 |
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Abstract
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An aluminum particle group composed of aluminum particles, as observed in an image thereof obtained through a scanning electron microscope, has an average circularity of 0.75 or more, and an average particle diameter of D 50 of 10 μm or more and less than 100 μm, and satisfies A×3≤B and also satisfying D<C where A represents the number of aluminum particles having a diameter of less than 5 μm, B represents the number of aluminum particles having a diameter of 10 μm or more, C represents the number of aluminum particles with no satellite, and D represents the number of aluminum particles having satellites.
First claim
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The invention claimed is: 1 . An aluminum particle group composed of aluminum particles, wherein in an image of the aluminum particle group, as observed with a scanning electron microscope, the aluminum particle group has an average circularity of 0.75 or more, and an average particle diameter D 50 of 20 μm or more and less than 60 μm, and satisfies A×3≤B and also satisfies A<E<B and D×2<C, where A represents the number of aluminum particles having a diameter of less than 5 μm, E represents the number of aluminum particles having a diameter of 5 μm or more and less than 10 μm, B represents the number of aluminum particles having a diameter of 10 μm or more, C represents the number of aluminum particles with no satellite, and D represents the number of aluminum particles having satellites. 2 . The aluminum particle group according to claim 1 , wherein the aluminum particle group has an angle of repose of 40° or less. 3 . A method for using the aluminum particle group according to claim 1 , the method comprising using the aluminum particle group as a raw material powder for additively manufacturing an object in a powder bed fusion 3D printer. 4 . A method for manufacturing an aluminum particle group according to claim 1 , comprising: producing an atomized-particle group by an air open type gas atomization method; subsequently removing fine particles from the atomized-particle group through dry air classification; and subsequently removing coarse particles from the atomized-particle group by using a sieve having meshes of 40 μm or more and 75 μm or less. 5 . The aluminum particle group according to claim 1 , wherein the aluminum particle group satisfies A×4≤B. 6 . The aluminum particle group according to claim 1 , wherein the aluminum particle group satisfies A×5≤B. 7 . The aluminum particle group according to claim 1 , wherein the aluminum particle group satisfies A×6≤B. 8 . The aluminum particle group according to claim 1 , wherein the aluminum particle group satisfies D×3<C.
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- What does patent US12589434B2 cover?
- An aluminum particle group composed of aluminum particles, as observed in an image thereof obtained through a scanning electron microscope, has an average circularity of 0.75 or more, and an average particle diameter of D 50 of 10 μm or more and less than 100 μm, and satisfies A×3≤B and also satisfying D<C where A represents the number of aluminum particles having a diameter of less than 5 μm,…
- Who is the assignee on this patent?
- Toyo Aluminium Kk
- What technology area does this patent fall under?
- Primary CPC classification B33Y70/00. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Mar 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 2 related publications on this page (citations in our corpus or others sharing the same primary CPC).