公开(公告)号：US20210394263A1

公开(公告)日：2021-12-23

申请号：US17292795

申请日：2019-10-23

Applicant: FUJIMI INCORPORATED

Inventor： Junya YAMADA ,  Hiroyuki IBE ,  Nobuaki KATO ,  Yuta KATO ,  Yoshikazu SUGIYAMA

IPC: B22F1/00 ,  B22F10/28 ,  B33Y10/00 ,  B33Y70/00 ,  B33Y80/00

Abstract: There is provided a powder material that is for manufacturing a molded article having low porosity and having uniformly present micropores by an additive layer manufacturing method. A powder material for use in additive layer manufacturing contains ceramics and metals, in which a tapped filling rate defined by (tapped density/theoretical density)×100% is 30% or more and less than 40%.

公开(公告)号：US20210094097A1

公开(公告)日：2021-04-01

申请号：US17036259

申请日：2020-09-29

Applicant: FUJIMI INCORPORATED

Inventor： Nobuaki KATO ,  Hiroyuki IBE ,  Junya YAMADA

IPC: B22F3/105 ,  B33Y10/00 ,  B33Y70/10

Abstract: To provide a powder material for additive layer manufacturing capable of molding a three-dimensional shaped molded article having less cracking or chipping and having high hardness and a method for manufacturing a molded article using the powder material.
A powder material for additive layer manufacturing used to manufacture a three-dimensional shaped molded article by irradiation with a laser light or an electron beam contains cobalt, a first component containing one or more substances selected from the group consisting of vanadium carbide, niobium carbide, and molybdenum carbide, an optional additive component, and the balance of tungsten carbide. The content of the first component is 0.6% by mass or more and 5% by mass or less.

公开(公告)号：US20210395860A1

公开(公告)日：2021-12-23

申请号：US17292806

申请日：2019-11-08

Applicant: FUJIMI INCORPORATED

Inventor： Junya YAMADA ,  Hiroyuki IBE ,  Nobuaki KATO ,  Yuta KATO ,  Yoshikazu SUGIYAMA

IPC: C22C1/05 ,  B22F1/00 ,  C22C29/08 ,  C22C29/00 ,  B33Y70/10

Abstract: There is provided a powder material that is for densifying a molded article manufactured by an additive layer manufacturing method and improving harness of the molded article. There is provided a powder material for use in additive layer manufacturing containing ceramics and metals, in which a tapped filling rate defined by (tapped density/theoretical density)×100% is 40% or more.

公开(公告)号：US20220266511A1

公开(公告)日：2022-08-25

申请号：US17733129

申请日：2022-04-29

Applicant: FUJIMI INCORPORATED

Inventor： Hiroyuki IBE ,  Junya YAMADA

IPC: B29C64/153 ,  B33Y80/00 ,  B33Y70/00 ,  B33Y10/00 ,  C22C32/00 ,  C22C29/08 ,  C22C1/05 ,  B22F10/20 ,  B22F1/148 ,  B22F3/105 ,  B22F3/16 ,  B28B1/30 ,  C04B35/626 ,  C04B35/14 ,  C04B35/56

Abstract: A molding material is provided which, despite containing a ceramic, enables efficient molding for producing high-density molded articles. The present invention provides a molding material to be used in powder laminate molding. This molding material contains a first powder which contains a ceramic, and a second powder which contains a metal. Further, the first powder and the second powder configure granulated particles. Ideally, the ratio of the content of the second powder to the total content of the first powder and the second powder is greater than 10 mass % and less than 90 mass %.

公开(公告)号：US20190001556A1

公开(公告)日：2019-01-03

申请号：US16064761

申请日：2016-12-20

Applicant: FUJIMI INCORPORATED

Inventor： Hiroyuki IBE ,  Junya YAMADA

IPC: B29C64/153 ,  B22F1/00 ,  B22F3/105 ,  B22F3/16 ,  B28B1/30 ,  C04B35/626 ,  C04B35/56 ,  C04B35/14

Abstract: A molding material is provided which, despite containing a ceramic, enables efficient molding for producing high-density molded articles. The present invention provides a molding material to be used in powder laminate molding. This molding material contains a first powder which contains a ceramic, and a second powder which contains a metal. Further, the first powder and the second powder configure granulated particles. Ideally, the ratio of the content of the second powder to the total content of the first powder and the second powder is greater than 10 mass % and less than 90 mass %.

公开(公告)号：US20180369909A1

公开(公告)日：2018-12-27

申请号：US16064774

申请日：2016-12-20

Applicant: FUJIMI INCORPORATED

Inventor： Hiroyuki IBE ,  Junya YAMADA

IPC: B22F1/00 ,  C04B35/626 ,  B22F3/105 ,  C04B35/64 ,  B28B1/00

Abstract: A molding material is provided which, despite containing a ceramic, enables efficient molding for producing high-density molded articles. The present invention provides a molding material to be used in powder laminate molding. This molding material contains a first powder which contains a ceramic, and a second powder which contains a metal. Further the first powder and the second powder are bonded by sintering to configure granulated sintered particles. The granule strength of the granulated sintered particles is greater than 1 MPa and less than 10,000 MPa.

公开(公告)号：US20250108435A1

公开(公告)日：2025-04-03

申请号：US18894619

申请日：2024-09-24

Applicant: FUJIMI INCORPORATED

Inventor： Junya YAMADA ,  Hiroyuki IBE ,  Yuta KATO ,  Shinya WATANABE

IPC: B22F1/12 ,  B22F10/28 ,  B33Y10/00 ,  B33Y70/10

Abstract: An object of the present invention is to provide a powder material for additive manufacturing capable of forming an additive-manufactured product having more excellent mechanical strength. The present invention provides a powder material for additive manufacturing containing a carbide ceramic and a metal, in which a content of the metal is 8 to 43 volume % with respect to a total amount of the carbide ceramic and the metal, and in an XRD spectrum of an additive manufactured product obtained by additive manufacturing including laser light irradiation, peaks other than those derived from the powder material before the laser light irradiation are not included; or a solid solubility of the carbide ceramic in the metal at 1250° C. is 8 mass % or less.

公开(公告)号：US20240181525A1

公开(公告)日：2024-06-06

申请号：US18285037

申请日：2022-03-23

Applicant: FUJIMI INCORPORATED

Inventor： Junya YAMADA ,  Hiroyuki IBE ,  Yuta KATO

IPC: B22F1/00 ,  B22F1/052 ,  B22F1/12 ,  B22F10/20 ,  B33Y10/00 ,  B33Y70/10

CPC classification number: B22F1/09 ,  B22F1/052 ,  B22F1/12 ,  B22F10/20 ,  B33Y10/00 ,  B33Y70/10 ,  B22F2301/15 ,  B22F2302/10 ,  B22F2302/40 ,  B22F2304/10

Abstract: The powder material for additive manufacturing disclosed herein includes tungsten carbide (WC), cobalt (Co), and a carbon additive including carbon (C) as a main constituent element, and the value of a carbon content A (% by mass), which is represented by the following formula: [(mass of C derived from WC)+(mass of C derived from carbon additive)]/(mass of WC)×100, satisfies the condition of 6.4≤A≤7.2.

公开(公告)号：US20190003019A1

公开(公告)日：2019-01-03

申请号：US16064749

申请日：2016-12-20

Applicant: FUJIMI INCORPORATED

Inventor： Hiroyuki IBE ,  Junya YAMADA

IPC: C22C29/08 ,  B33Y70/00 ,  B28B1/00 ,  B33Y30/00 ,  C22C32/00 ,  B23K26/00 ,  B23K26/342

Abstract: A material for shaping is provided, with which it is possible to more effectively shape a shaped article that has high density while containing a ceramic. The present invention provides a material for shaping in order for use in powder additive manufacturing. This material for shaping includes a first powder that is a granulated powder containing a ceramic, and a second powder containing a metal. The second powder constitutes 10-90% by mass (exclusive) of the total of the first powder and the second powder.