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1.发明授权公开(公告)号：US11057966B2
公开(公告)日：2021-07-06
申请号：US16502497
申请日：2019-07-03
申请人： Shanghai University
发明人： Zhongming Ren , Jianbo Yu , Xia Li , Fan Yang , Liang Liu , Yujia Zhang , Yang Kong
摘要： The present invention discloses a device for plasma arc melting through magnetostatic soft-contact stirring and compounding, which includes a furnace body, where a water-cooled copper crucible and a tungsten electrode are mounted in the furnace body, the tungsten electrode is located above the water-cooled copper crucible, and a groove for containing a metal raw material is opened in the water-cooled copper crucible; and a drive shaft penetrates through a side wall of the water-cooled copper crucible, one end, located at the exterior of the water-cooled copper crucible, of the drive shaft is connected with a stepper motor, one end, located in the water-cooled copper crucible, of the drive shaft is sleeved with two rotary tables, magnets having reverse magnetisms are interleaved in the rotary table, and the rotary tables are located on two sides of the groove.
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2.发明申请公开(公告)号：US20200084843A1
公开(公告)日：2020-03-12
申请号：US16502497
申请日：2019-09-13
申请人： Shanghai University
发明人： Zhongming Ren , Jianbo Yu , Xia Li , Fan Yang , Liang Liu , Yujia Zhang , Yang Kong
摘要： The present invention discloses a device for plasma arc melting through magnetostatic soft-contact stirring and compounding, which includes a furnace body, where a water-cooled copper crucible and a tungsten electrode are mounted in the furnace body, the tungsten electrode is located above the water-cooled copper crucible, and a groove for containing a metal raw material is opened in the water-cooled copper crucible; and a drive shaft penetrates through a side wall of the water-cooled copper crucible, one end, located at the exterior of the water-cooled copper crucible, of the drive shaft is connected with a stepper motor, one end, located in the water-cooled copper crucible, of the drive shaft is sleeved with two rotary tables, magnets having reverse magnetisms are interleaved in the rotary table, and the rotary tables are located on two sides of the groove. The present invention further provides a melting method utilizing the above device for plasma arc melting through magnetostatic soft-contact stirring and compounding, where an objective of melting unmelted metal at the bottom of a water-cooled copper crucible is achieved by the magnetostatic soft-contact stirring without using turning over metal.
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