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公开(公告)号:US11730950B2
公开(公告)日:2023-08-22
申请号:US17444420
申请日:2021-08-04
Applicant: Heraeus Deutschland GmbH & Co. KG
Inventor: Bernd Spaniol , Tim Esposto , Andre Weigand , Markus Jung
CPC classification number: A61N1/05 , A61N1/36125 , B21C1/003 , B21C37/065 , B21C37/154 , A61B2562/125
Abstract: One aspect relates to a process for preparing a shaped metal product, wherein a monolithic metal precursor surrounded by a sacrificial outer element is formed to smaller dimensions, and the sacrificial material is subsequently removed. One aspect further provides a composite for preparing a shaped metal product, and a shaped metal product. Such shaped metal products can be used to manufacture an active implantable medical device or sensor.
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公开(公告)号:US20200270726A1
公开(公告)日:2020-08-27
申请号:US16796284
申请日:2020-02-20
Applicant: Heraeus Deutschland GmbH & Co. KG
Inventor: Stephan Herbst , Bernd Spaniol
IPC: C22C27/04
Abstract: The invention relates to a molded article made of a metallic molybdenum-based alloy with at least 3 wt. % up to a maximum of 8 wt. % aluminum, at least 3 wt. % up to a maximum of 6 wt. % titanium and, as the remainder, molybdenum including the usual impurities, wherein the molded article is produced directly or indirectly by means of solidification from a melt. The invention also relates to a method for producing a molded article and to the use of such a molded article.
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公开(公告)号:US11617883B2
公开(公告)日:2023-04-04
申请号:US17374331
申请日:2021-07-13
Applicant: Heraeus Deutschland GmbH & Co. KG
Inventor: Markus Jung , Bernd Spaniol
Abstract: One aspect relates to a method for a ring electrode, including: providing an outer element with an outer tube and providing a first inner element with a first inner tube having a first core made of a sacrificial material. A material of the outer element and a material of the first inner element have a similar microstructure. A second inner element is provided with a second core made of a sacrificial material; A connection tube is formed by arranging the first inner element and the second inner element within the outer element. The first inner element and the second inner element are arranged concentrically. The composite tube is drawn in a longitudinal direction of the composite tube. The material of the outer element and the material of the first inner element maintain a simialar microstructure. A connection tube disc is seperated from the connection tube. The sacrificial material of the first core is removed and the sacrificial material of the second core is removed to obtain a contacting opening in the ring electrode.
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公开(公告)号:US12064812B2
公开(公告)日:2024-08-20
申请号:US17224885
申请日:2021-04-07
Applicant: Heraeus Deutschland Gmbh & Co. KG
Inventor: Vera K. Jüchter , Bernd Spaniol
CPC classification number: B22F10/28 , B22F1/05 , B22F5/007 , B22F9/08 , B22F9/16 , B33Y10/00 , B33Y70/00 , B33Y80/00 , B22F2301/20 , B22F2304/10
Abstract: Additive manufacturing method for producing moldings comprising or consisting of an element selected from the group of refractory metals, wherein refractory metal powder having an oxygen content of at least 500 mol ppm is used for the additive manufacturing method.
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公开(公告)号:US11602816B2
公开(公告)日:2023-03-14
申请号:US16476497
申请日:2017-11-20
Applicant: Heraeus Deutschland GmbH & Co. KG
Inventor: Friedhold Schölz , Egbert Stiedl , Bernd Spaniol , Norbert Traeger , Werner Feuring
Abstract: The invention relates to a method for cutting refractory metals, in which a solid body (1) made of a refractory metal is mechanically machining cut with a cutting apparatus (4, 7), wherein the cutting apparatus (4, 7) is wetted for cutting with a fluid (6) having at least 50 weight % water, wherein the cutting apparatus (4, 7) is brought to a positive electrical potential in relation to the solid body (1) during cutting. The invention also relates to a disc produced from a refractory metal using such a method, and such a disc that has an oxide layer with a thickness of between 2 nm and 1,000 nm on the cutting surface.
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公开(公告)号:US11306375B2
公开(公告)日:2022-04-19
申请号:US16796284
申请日:2020-02-20
Applicant: Heraeus Deutschland GmbH & Co. KG
Inventor: Stephan Herbst , Bernd Spaniol
Abstract: The invention relates to a molded article made of a metallic molybdenum-based alloy with at least 3 wt. % up to a maximum of 8 wt. % aluminum, at least 3 wt. % up to a maximum of 6 wt. % titanium and, as the remainder, molybdenum including the usual impurities, wherein the molded article is produced directly or indirectly by means of solidification from a melt. The invention also relates to a method for producing a molded article and to the use of such a molded article.
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公开(公告)号:US20200055157A1
公开(公告)日:2020-02-20
申请号:US16476497
申请日:2017-11-20
Applicant: Heraeus Deutschland GmbH & Co. KG
Inventor: Friedhold Schölz , Egbert Stiedl , Bernd Spaniol , Norbert Traeger , Werner Feuring
Abstract: The invention relates to a method for cutting refractory metals, in which a solid body (1) made of a refractory metal is mechanically machining cut with a cutting apparatus (4, 7), wherein the cutting apparatus (4, 7) is wetted for cutting with a fluid (6) having at least 50 weight % water, wherein the cutting apparatus (4, 7) is brought to a positive electrical potential in relation to the solid body (1) during cutting. The invention also relates to a disc produced from a refractory metal using such a method, and such a disc that has an oxide layer with a thickness of between 2 nm and 1,000 nm on the cutting surface.
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公开(公告)号:US11998734B2
公开(公告)日:2024-06-04
申请号:US17374347
申请日:2021-07-13
Applicant: Heraeus Deutschland Gmbh & Co. KG
Inventor: Markus Jung , Bernd Spaniol
CPC classification number: A61N1/056 , B21C37/06 , H01R13/025 , H01R2201/12
Abstract: One aspect relates to a method for producing a ring electrode, including providing an outer element including an outer tube; providing a first inner element, including a first inner tube having a first core made of a sacrificial material, a material of the outer element and a material of the first inner element having a similar microstructure to each other; providing a second inner element, including a second core made of a sacrificial material; forming a composite tube by arranging the first inner element and the second inner element inside the outer element, the first inner element and the second inner element being arranged eccentrically; drawing the composite tube in a longitudinal direction of the composite tube, the material of the outer element and the material of the first inner element retaining a similar microstructure; separating a composite tube disk from the composite tube; removing the sacrificial material of the first core; and removing the sacrificial material of the second core to obtain a contacting opening in the ring electrode.
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9.
公开(公告)号:US20190161829A1
公开(公告)日:2019-05-30
申请号:US16197173
申请日:2018-11-20
Applicant: Heraeus Deutschland GmbH & Co. KG
Inventor: Bernd Spaniol , Stefan Csirak , Markus Virgin , Markus Schultheis
Abstract: The invention relates to a process for preparation of the intermetallic compound Nb3Sn by melt metallurgical procedure. The process comprises the steps of pressing Nb particles and Sn particles to form a start electrode, whereby the pressed start electrode is remelted in a vacuum in an electric arc, whereby a first moulded body is obtained. Alternatively, the process comprises the steps of remelting an Nb start electrode in an electric arc in a vacuum, whereby Sn particles are being introduced into the molten Nb forming during the remelting, whereby a first moulded body is obtained. The molar ratio of Nb and Sn is selected appropriately such that the first moulded body obtained contains at least 50% by weight of the intermetallic compound Nb3Sn as the A15 phase as well as free Nb and/or Sn and inevitable impurities, if applicable.
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