公开(公告)号：US11826832B2

公开(公告)日：2023-11-28

申请号：US16873501

申请日：2020-04-22

Applicant: Iowa State University Research Foundation, Inc.

Inventor： Andrew J. Heidloff ,  Joel R. Rieken ,  Iver E. Anderson

IPC: B22F1/16 ,  B22F9/08

CPC classification number: B22F9/082 ,  B22F1/16 ,  B22F2009/0844 ,  B22F2998/10 ,  B22F2999/00 ,  Y02P10/25 ,  Y10T428/2991 ,  B22F2998/10 ,  B22F9/082 ,  B22F1/16 ,  B22F3/15 ,  B22F2998/10 ,  B22F9/082 ,  B22F1/16 ,  B22F3/14 ,  B22F2998/10 ,  B22F9/082 ,  B22F1/16 ,  B22F2003/1051 ,  B22F2998/10 ,  B22F9/082 ,  B22F1/16 ,  B22F10/20 ,  B22F2998/10 ,  B22F9/082 ,  B22F1/16 ,  B22F2003/208 ,  B22F2998/10 ,  B22F9/082 ,  B22F1/16 ,  B22F3/225 ,  B22F2999/00 ,  B22F1/16 ,  B22F2201/03 ,  B22F2201/00 ,  B22F2999/00 ,  B22F1/16 ,  B22F2201/00 ,  B22F2201/03 ,  B22F2998/10 ,  B22F1/16 ,  B22F10/20 ,  B22F9/082

Abstract: A method for gas atomization of a titanium alloy, nickel alloy, or other alumina (Al2O3)-forming alloy wherein the atomized particles are exposed as they solidify and cool in a very short time to multiple gaseous reactive agents for the in-situ formation of a passivation reaction film on the atomized particles wherein the reaction film retains a precursor halogen alloying element that is subsequently introduced into a microstructure formed by subsequent thermally processing of the atomized particles to improve oxidation resistance.

公开(公告)号：US11780164B2

公开(公告)日：2023-10-10

申请号：US17397356

申请日：2021-08-09

Applicant: General Electric Company

Inventor： Andrew Martin ,  Justin Mamrak

IPC: B29C64/268 ,  B29C64/153 ,  B29C64/241 ,  B29C64/188 ,  B33Y50/02 ,  B33Y10/00 ,  B33Y30/00 ,  B29C64/245 ,  B29C64/371 ,  G05B19/4099 ,  B22F10/28 ,  B22F12/37 ,  B22F12/67 ,  B22F12/49 ,  B22F12/52 ,  B22F12/70 ,  B22F10/32 ,  B22F10/366

CPC classification number: B29C64/241 ,  B22F10/28 ,  B22F12/37 ,  B22F12/67 ,  B29C64/153 ,  B29C64/188 ,  B29C64/245 ,  B29C64/268 ,  B29C64/371 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02 ,  G05B19/4099 ,  B22F10/32 ,  B22F10/366 ,  B22F12/49 ,  B22F12/52 ,  B22F12/70 ,  B22F2201/00 ,  B22F2999/00 ,  B22F2999/00 ,  B22F12/70 ,  B22F2201/00 ,  B22F2999/00 ,  B22F10/32 ,  B22F2201/00

Abstract: A method, apparatus, and program for additive manufacturing. The additive manufacturing device includes a positioning mechanism configured to provide independent movement of at least one build unit in at least two dimensions. The build unit may further include a gasflow device for providing a flow zone along a first direction with relation to the build unit. The build unit may further include a powder delivery mechanism and an irradiation beam directing unit. The irradiation bean unit may follow a first irradiation path, wherein the first irradiation path forms at least a first solidification line and at least a second solidification line formed at an angle other than 0° and 180° with respect to the first solidification line. During the formation of the first solidification line, the build unit may be positioned in a first orientation such that the first direction of the flow zone is substantially perpendicular to the first solidification line. During the formation of the second solidification line, the build unit may be positioned in a second orientation such that the flow zone along the first direction is substantially perpendicular to the second solidification line.

公开(公告)号：US20190025109A1

公开(公告)日：2019-01-24

申请号：US16144386

申请日：2018-09-27

Applicant: General Electric Company

Inventor： Scott Alan Gold ,  James Harding Shealy ,  Lucas Christian Jones

IPC: G01F15/14 ,  G01P5/26 ,  G01P5/00

CPC classification number: G01F15/14 ,  B22F3/1055 ,  B22F2003/1056 ,  B22F2003/1057 ,  B22F2999/00 ,  B29C64/153 ,  B29C64/364 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02 ,  G01P5/00 ,  G01P5/26 ,  B22F2201/00 ,  B22F2203/00

Abstract: A method of characterizing gas flow within a housing includes: positioning one or more gas flow sensors in the housing; introducing a gas flow into the housing; using the one or more gas flow sensors to generate two or more gas flow measurements at spaced-apart locations within the housing; and recording the two or more measurements to create a gas flow map.

公开(公告)号：US20180215095A1

公开(公告)日：2018-08-02

申请号：US15125078

申请日：2016-05-31

Applicant: TECHNOLOGY RESEARCH ASSOCIATION FOR FUTURE ADDITIVE MANUFACTURING

Inventor： Koichi AMAYA ,  Tetsushi MIDORIKAWA ,  Masaaki KAWAJI

IPC: B29C64/35 ,  B29C64/393 ,  B33Y50/02 ,  B33Y30/00 ,  B33Y10/00 ,  B29C64/282

CPC classification number: B29C64/35 ,  B22F3/1055 ,  B22F2999/00 ,  B29C64/153 ,  B29C64/20 ,  B29C64/264 ,  B29C64/277 ,  B29C64/282 ,  B29C64/393 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02 ,  B22F2003/1056 ,  B22F2201/00

Abstract: This invention provides a three-dimensional laminating and fabricating system that can remove the influence of a gas flow between the irradiation positions by a plurality of irradiators. The three-dimensional laminating and fabricating system includes a laminating and fabricating unit that includes a plurality of irradiators configured to irradiate a laminating material, and a remover configured to generate a flow path on a laminated surface and remove dust generated by the irradiated laminating material, to cause the plurality of irradiators to perform irradiation to fabricate each layer of a laminated and fabricated object made of the laminating material as an aggregate of cell regions, and a laminating and fabricating controller that controls selection of each of the cell regions to be irradiated by each of the plurality of irradiators so as to prevent the dust generated in each of the cell regions on an upstream side of the flow path from influencing fabricating in each of the cell regions on a downstream side of the flow path.

公开(公告)号：US20180126462A1

公开(公告)日：2018-05-10

申请号：US15803692

申请日：2017-11-03

Applicant: Velo3D, Inc.

Inventor： Zachary Ryan MURPHREE ,  Benyamin BULLER ,  Alexander BRUDNY

IPC: B22F3/105 ,  B33Y10/00 ,  B33Y30/00

CPC classification number: B22F3/1055 ,  B01D46/0012 ,  B08B5/04 ,  B08B15/02 ,  B22F2003/1056 ,  B22F2003/1057 ,  B22F2003/1059 ,  B22F2201/00 ,  B22F2999/00 ,  B29C64/153 ,  B29C64/245 ,  B29C64/25 ,  B29C64/268 ,  B29C64/35 ,  B29C64/371 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y40/00 ,  B33Y50/02 ,  Y02P10/295

Abstract: The present disclosure provides three-dimensional (3D) printing processes, apparatuses, software, and systems for controlling and/or treating gas borne debris in an atmosphere of a 3D printer.

公开(公告)号：US20180126460A1

公开(公告)日：2018-05-10

申请号：US15803675

申请日：2017-11-03

Applicant: Velo3D, Inc.

Inventor： Zachary Ryan MURPHREE ,  Tasso LAPPAS ,  Robert Michael MARTINSON ,  Claus ENDRUHN ,  Yacov ELGAR ,  Benyamin BULLER ,  Alexander BRUDNY ,  Charudatta Mukundrao CHOUDHARI

IPC: B22F3/105 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y40/00

CPC classification number: B22F3/1055 ,  B01D46/0012 ,  B08B5/04 ,  B08B15/02 ,  B22F2003/1056 ,  B22F2003/1057 ,  B22F2003/1059 ,  B22F2201/00 ,  B22F2999/00 ,  B29C64/153 ,  B29C64/245 ,  B29C64/25 ,  B29C64/268 ,  B29C64/35 ,  B29C64/371 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y40/00 ,  B33Y50/02 ,  Y02P10/295

Abstract: The present disclosure provides three-dimensional (3D) printing processes, apparatuses, software, and systems for controlling and/or treating gas borne debris in an atmosphere of a 3D printer.

公开(公告)号：US20180065296A1

公开(公告)日：2018-03-08

申请号：US15690880

申请日：2017-08-30

Applicant: EOS GmbH Electro Optical Systems

Inventor： Sebastian Mehl ,  Maximilian Mittermüller ,  Martin Schade ,  Alexander Schilling

IPC: B29C64/159 ,  B33Y50/02 ,  B33Y10/00 ,  B33Y30/00 ,  B29C64/393

CPC classification number: B29C64/159 ,  B08B15/007 ,  B22F3/1055 ,  B22F2003/1056 ,  B22F2003/1057 ,  B22F2999/00 ,  B29C64/153 ,  B29C64/35 ,  B29C64/393 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02 ,  Y02P10/295 ,  B22F2201/00 ,  B22F2203/00

Abstract: The invention refers to a method of generatively manufacturing a three-dimensional object (2) in a process chamber (3) of a generative manufacturing apparatus (1) by a layer-by-layer application and selective solidification of a building material (13) within a build area (10) arranged in the process chamber. In the course of this, while the object is being manufactured, a process gas is supplied to the process chamber by means of a gas supply device and is discharged from the process chamber via an outlet (42a, 42b). According to the invention, the gas supply device is designed and/or arranged relatively to the build area and/or controlled such that a gas stream (40) of the process gas streaming through the process chamber is shaped in such a manner that a substantially elongate oval impingement area (A3) of the gas stream (40) is generated within the build area (10).

公开(公告)号：US20170370005A1

公开(公告)日：2017-12-28

申请号：US15195210

申请日：2016-06-28

Applicant: Delavan Inc

Inventor： Sergey Mironets ,  William L. Wentland ,  Matthew Donovan ,  Thomas J. Ocken ,  Robert Bianco

IPC: C23C22/82 ,  B33Y40/00

CPC classification number: C23C22/82 ,  B22F3/1055 ,  B22F3/24 ,  B22F2998/10 ,  B22F2999/00 ,  B33Y10/00 ,  B33Y40/00 ,  C23C8/04 ,  C23C8/40 ,  C23C8/80 ,  C23G1/061 ,  C25F1/12 ,  B22F2003/248 ,  B22F2003/241 ,  B22F2003/247 ,  B22F3/15 ,  B22F2201/03 ,  B22F2201/02 ,  B22F2201/30 ,  B22F2201/00 ,  C23F1/00 ,  C25F3/00

Abstract: A method includes additively manufacturing an article in an inert environment, removing the article from the inert environment and placing the article in a non-inert environment, allowing at least a portion the article to oxidize in the non-inert environment to form an oxidized layer on a surface of the article, and removing the oxidized layer (e.g., to smooth the surface of the article). The method can further include relieving stress in the article (e.g., via heating the article after additive manufacturing).

公开(公告)号：US09650309B2

公开(公告)日：2017-05-16

申请号：US13986193

申请日：2013-04-10

Applicant: Iowa State University Research Foundation, Inc.

Inventor： Iver E. Anderson ,  Andrew D. Steinmetz ,  David J. Byrd

IPC: C06B45/00 ,  C06B27/00 ,  C06B45/30 ,  B22F9/16 ,  B22F1/00 ,  B22F9/08

CPC classification number: C06B45/30 ,  B22F1/0088 ,  B22F9/082 ,  B22F9/16 ,  B22F2009/0844 ,  B22F2999/00 ,  B22F2201/03 ,  B22F2201/00 ,  B22F2201/10

Abstract: A method for gas atomization of oxygen-reactive reactive metals and alloys wherein the atomized particles are exposed as they solidify and cool in a very short time to multiple gaseous reactive agents for the in-situ formation of a protective reaction film on the atomized particles. The present invention is especially useful for making highly pyrophoric reactive metal or alloy atomized powders, such as atomized magnesium and magnesium alloy powders. The gaseous reactive species (agents) are introduced into the atomization spray chamber at locations downstream of a gas atomizing nozzle as determined by the desired powder or particle temperature for the reactions and the desired thickness of the reaction film.

公开(公告)号：US20170014905A1

公开(公告)日：2017-01-19

申请号：US15208572

申请日：2016-07-12

Applicant: Sodick Co., Ltd.

Inventor： Shuichi KAWADA ,  Shuji OKAZAKI

IPC: B22F3/105 ,  B33Y70/00 ,  B33Y50/02 ,  B33Y30/00 ,  B33Y40/00

CPC classification number: B22F3/1055 ,  B22F2003/1056 ,  B22F2999/00 ,  B29C64/20 ,  B33Y30/00 ,  B33Y40/00 ,  B33Y50/02 ,  Y02P10/295 ,  B22F2201/00 ,  B22F2203/00 ,  B22F2201/10 ,  B22F2003/1059

Abstract: A metal 3D printer includes: a housing (1) forming a molding chamber (1B); a recoater head (3) reciprocating in the direction of a horizontal U axis in the molding chamber to form a powder layer of a metal; a laser irradiation device (9) irradiating an irradiation region in the powder layer with a laser beam to form a sintered layer; and an inert gas supply device (4). The inert gas supply device includes: a first suction port (V1) disposed on one (14) of the side walls facing each other in the direction of the U axis, which is far away from the irradiation region; a first blowout port (F1) disposed on a side of the recoater head to face the first suction port; and a second blowout port (F2) disposed to face the first suction port across the irradiation region.

Abstract translation: 金属3D打印机包括：形成模制室（1B）的壳体（1）; 在模制室中沿水平U轴的方向往复运动的再涂布头（3），以形成金属粉末层; 激光照射装置（9），用激光束照射粉末层的照射区域，形成烧结层; 和惰性气体供给装置（4）。 惰性气体供给装置包括：第一吸入口（V1），其设置在远离照射区域的U轴方向上彼此面对的一个侧壁上; 第一吹出口（F1），设置在所述再涂装头的与所述第一吸入口相对的一侧; 以及设置成横过照射区域面对第一吸入口的第二吹出口（F2）。