公开(公告)号：US20220305554A1

公开(公告)日：2022-09-29

申请号：US17619548

申请日：2020-07-14

申请人： 3D LAB SP. Z O.O.

发明人： Marcin BIELECKI ,  Robert RALOWICZ ,  Lukasz SLOBODA

IPC分类号： B22F9/08 ,  B33Y40/10

摘要： The invention relates to a production method of the powders composed of spherical heavy metal particles utilizing an ultrasonic atomization, where these powders can be applied in industrial applications, like additive manufacturing and several other. The method for production of heavy metal powders by ultrasonic atomization comprises providing a heavy metal raw material (5) in the vicinity of a heat source (13) being an electric arc (13), heating the heavy raw material (5) by the electric arc (13), so as to create a molten metal pool (21) on a sonotrode (3), the molten metal pool (21) having a temperature equal to or greater than the melting temperature of the heavy metal raw material (5), but below the vaporization temperature of the heavy metal raw material (5), providing ultrasonic mechanic vibrations by the sonotrode (3) to the molten metal pool (21), so as to cause the heavy metals droplets (11) being ejected from the molten metal pool (21), directing the ejected heavy metal droplets (11) away from the molten metal pool (21), so as the heavy metal droplets (11) freely cool down within a predetermined distance at least by radiation and transform to a heavy metal powder (11), collecting the heavy metal powder (11), so as to collect at least 75% of the heavy metal raw material (5) in the form of the heavy metal powder (11′).

公开(公告)号：US12090554B2

公开(公告)日：2024-09-17

申请号：US17619548

申请日：2020-07-14

申请人： 3D LAB SP. Z O.O.

发明人： Marcin Bielecki ,  Robert Ralowicz ,  Lukasz Sloboda

IPC分类号： B22F9/08 ,  B22F1/052 ,  B22F1/065 ,  B22F9/14 ,  B22F10/32 ,  B22F10/322 ,  B22F10/368 ,  B22F12/13 ,  B22F12/41 ,  B33Y40/10 ,  B22F10/77

CPC分类号： B22F9/08 ,  B22F1/052 ,  B22F1/065 ,  B22F9/082 ,  B22F10/32 ,  B22F10/322 ,  B22F10/368 ,  B22F12/13 ,  B22F12/41 ,  B33Y40/10 ,  B22F2009/0836 ,  B22F2009/086 ,  B22F2009/0876 ,  B22F9/14 ,  B22F10/77 ,  B22F2202/01 ,  B22F2999/00 ,  B22F1/065 ,  C22C1/0466 ,  B22F1/052

摘要： The invention relates to a production method of the powders composed of spherical heavy metal particles utilizing an ultrasonic atomization, where these powders can be applied in industrial applications, like additive manufacturing and several other. The method for production of heavy metal powders by ultrasonic atomization comprises providing a heavy metal raw material (5) in the vicinity of a heat source (13) being an electric arc (13), heating the heavy raw material (5) by the electric arc (13), so as to create a molten metal pool (21) on a sonotrode (3), the molten metal pool (21) having a temperature equal to or greater than the melting temperature of the heavy metal raw material (5), but below the vaporization temperature of the heavy metal raw material (5), providing ultrasonic mechanic vibrations by the sonotrode (3) to the molten metal pool (21), so as to cause the heavy metals droplets (11) being ejected from the molten metal pool (21), directing the ejected heavy metal droplets (11) away from the molten metal pool (21), so as the heavy metal droplets (11) freely cool down within a predetermined distance at least by radiation and transform to a heavy metal powder (11), collecting the heavy metal powder (11), so as to collect at least 75% of the heavy metal raw material (5) in the form of the heavy metal powder (11′).