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公开(公告)号：US20240051019A1
公开(公告)日：2024-02-15
申请号：US18353670
申请日：2023-07-17
Applicant: General Electric Company
Inventor： Arunkumar Natarajan , Kwok Pong Chan , William C. Alberts , Sivaruban Shivanathan , Elliot C. Dilger , Gregg H. Wilson
CPC classification number: B22F7/02 , C04B37/003 , B22F3/1021 , B33Y80/00 , C04B2237/123 , C04B2237/80 , C04B2237/84 , C04B2237/78 , B22F2998/10 , B22F2301/35 , B22F2304/10
Abstract: A green body part comprises a first green portion, a second green portion, an interfacial joint between the first green portion and the second green portion, and a joint material disposed within the interfacial joint. The joint material comprises a powder having a particle size distribution than or equal to 1 μm and less than or equal to 50 μm. A method of manufacturing a joined part includes applying a joint material on a face of the first green portion and contacting the second green portion to the joint material on the face of the first green portion to form a joined green body part.
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公开(公告)号：US20240351107A1
公开(公告)日：2024-10-24
申请号：US18619326
申请日：2024-03-28
Applicant: General Electric Company , Cummins Inc.
Inventor： Elliot C. Dilger , Jacob W. Brown , Taren DeHart
CPC classification number: B22F10/40 , B28B1/001 , B33Y10/00 , B33Y40/20 , B22F3/1021 , B22F2998/10
Abstract: A method for additive manufacturing a metal or ceramic part including forming a green metal or ceramic body having sacrificial supports present on at least one surface of the green body and placing the green body into a heating chamber such that the sacrificial supports support the green body. The green body is heated to remove a binder, forming a brown body. The brown body is sintered forming a metal or ceramic part, and the sacrificial supports are positioned to support the brown body during sintering. The sacrificial supports are then removed from the metal or ceramic part.
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