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公开(公告)号：US20240227009A9
公开(公告)日：2024-07-11
申请号：US18491628
申请日：2023-10-20
Applicant: Divergent Technologies, Inc.
Inventor： Chan Cheong PUN , Mu Li
Abstract: A method and an apparatus for forming powder. The formed powder may include an alloy of powder that can be used in additively manufacturing and powder metallurgy applications to create structures. The method and apparatus may deliver a source material having a first material composition, melt the source material to form a molten source material, vibrate a substate structure, the substrate structure including a substrate material having a substrate material composition, apply the molten source material to the vibrating substrate structure to obtain a powder, where a portion of the substrate material is selectively added to the molten source material such that the powder has a second material composition different than the first material composition, and control the second material composition of the powder based on the first material composition and the substrate material composition.
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公开(公告)号：US20240131585A1
公开(公告)日：2024-04-25
申请号：US18491628
申请日：2023-10-19
Applicant: Divergent Technologies, Inc.
Inventor： Chan Cheong PUN , Mu Li
Abstract: A method and an apparatus for forming powder. The formed powder may include an alloy of powder that can be used in additively manufacturing and powder metallurgy applications to create structures. The method and apparatus may deliver a source material having a first material composition, melt the source material to form a molten source material, vibrate a substate structure, the substrate structure including a substrate material having a substrate material composition, apply the molten source material to the vibrating substrate structure to obtain a powder, where a portion of the substrate material is selectively added to the molten source material such that the powder has a second material composition different than the first material composition, and control the second material composition of the powder based on the first material composition and the substrate material composition.
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公开(公告)号：US20240189910A1
公开(公告)日：2024-06-13
申请号：US18487020
申请日：2023-10-13
Applicant: Divergent Technologies, Inc.
Inventor： Gordon TAJIRI , Michael Thomas KENWORTHY , Mu Li , Chan Cheong Pun
IPC: B22F10/85 , B22F10/28 , B22F10/36 , B22F10/80 , B22F12/41 , B22F12/49 , B22F12/50 , B22F12/90 , B33Y10/00 , B33Y30/00 , B33Y50/00 , B33Y50/02
CPC classification number: B22F10/85 , B22F10/28 , B22F10/36 , B22F10/80 , B22F12/41 , B22F12/49 , B22F12/50 , B22F12/90 , B33Y10/00 , B33Y30/00 , B33Y50/00 , B33Y50/02 , B22F2998/10
Abstract: A printer and methods for additive manufacturing a build piece may include a camera and an optical spectrometer obtaining spectral information and optical information from a region of melted material to determine a defect condition based on an evaluation of processed spectral or optical information. A processor or a computer may process the obtained and optical information and determine a defect condition during the additively manufacturing process. The obtained spectral and optical information may be of the region of the melted material, a melt pool and a mushy zone. The printer and method may include a controller configured to modify a process parameter to shape the weld pool to obtain a desired effective absorptivity of a portion of the weld pool, e.g., to increase the effective absorptivity relative to an absorptivity of a surface of the powder or material deposited by the depositor and to maintain an acceptable temperature of the weld pool during the additively manufacturing process.
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