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1. 发明申请

US20230121858A1 FABRICATION OF METALLIC PARTS BY ADDITIVE MANUFACTURING 有权
公开(公告)号：US20230121858A1
公开(公告)日：2023-04-20
申请号：US18083748
申请日：2022-12-19
申请人： Michael T. STAWOVY
发明人： Michael T. STAWOVY
IPC分类号： B22D7/00 , B22F10/25 , B22F10/38 , B33Y10/00 , B33Y70/00 , B33Y80/00 , B21C1/02 , B22F3/02 , B22F3/24 , B23K15/00 , B32B15/01 , C22C27/04 , F27D11/08 , B22F5/12 , B23K9/04 , B23K9/24 , B23K9/29
摘要： In various embodiments, wire composed at least partially of arc-melted refractory metal material is utilized to fabricate three-dimensional parts by additive manufacturing.

2. 发明授权

US11179780B2 Fabrication of metallic parts by additive manufacturing 有权
公开(公告)号：US11179780B2
公开(公告)日：2021-11-23
申请号：US15835520
申请日：2017-12-08
申请人： Michael T. Stawovy , Scott D. Ohm , Fahrron C. Fill
发明人： Michael T. Stawovy , Scott D. Ohm , Fahrron C. Fill
IPC分类号： B22F9/04 , B22F1/00 , B22F9/02 , B33Y70/00 , B22F10/20 , B22F10/00 , B22F9/08 , C22C27/04 , B22F3/10 , B33Y10/00 , C22C1/04
摘要： In various embodiments, metallic alloy powders are utilized as feedstock, or to fabricate feedstock, utilized in additive manufacturing processes to form three-dimensional metallic parts. Such three-dimensional parts are fabricated by providing a powder bed containing particles each comprising a mixture and/or alloy of constituent elemental metals, forming a first layer of the part by (i) dispersing a binder into the powder bed, and (ii) curing the binder, the first layer of the shaped part comprising particles bound together by cured binder, disposing a layer of the particles over the first layer of the part, forming subsequent layers of the part, and then sintering the part.

3. 发明申请

US20110064600A1 CO-SINTERED MULTI-SYSTEM TUNGSTEN ALLOY COMPOSITE 审中-公开
标题翻译： CO烧结多系统钨合金复合材料
公开(公告)号：US20110064600A1
公开(公告)日：2011-03-17
申请号：US12952426
申请日：2010-11-23
申请人： Timothy J. Brent , Michael T. Stawovy
发明人： Timothy J. Brent , Michael T. Stawovy
IPC分类号： B22F3/24 , B22F1/00 , B22F3/12
CPC分类号： B22F3/1035 , B22F2998/10 , Y10T428/12014 , Y10T428/12486 , Y10T428/1284 , B22F1/0003 , B22F3/02
摘要： A composite is produced by the steps of (a) blending a first mixture of metallic powders; (b) compacting the blended first mixture of metallic powders to a plurality of discretely shaped articles; (c) blending a second mixture of metallic powders; (d) mixing the plurality of discretely shaped articles with the blended second mixture of metallic powders to form a precursor blend; (e) compacting the precursor blend; and (f) sintering the precursor blend. The composite has a metallic matrix with embedded shapes dispersed throughout the matrix where the embedded shapes have an incipient liquid phase sintering temperature less than an incipient liquid phase sintering temperature of the matrix.
摘要翻译：通过以下步骤制备复合材料：（a）混合金属粉末的第一混合物; （b）将所述混合的金属粉末混合物压实成多个离散成型制品; （c）混合金属粉末的第二混合物; （d）将多个离散成型制品与共混的金属粉末混合物混合以形成前体共混物; （e）压实前体混合物; 和（f）烧结前体共混物。复合材料具有分散在整个基质中的嵌入形状的金属基体，其中嵌入的形状具有小于基体的初始液相烧结温度的初始液相烧结温度。

4. 发明公开

US20240278314A1 FABRICATION OF METALLIC PARTS BY ADDITIVE MANUFACTURING 审中-公开
公开(公告)号：US20240278314A1
公开(公告)日：2024-08-22
申请号：US18426496
申请日：2024-01-30
申请人： Michael T. Stawovy
发明人： Michael T. Stawovy
IPC分类号： B22D7/00 , B21C1/02 , B22F3/02 , B22F3/24 , B22F5/12 , B22F10/00 , B22F10/20 , B22F10/25 , B22F10/38 , B23K9/04 , B23K9/24 , B23K9/29 , B23K15/00 , B23K103/08 , B32B15/01 , B33Y10/00 , B33Y70/00 , B33Y80/00 , C22C27/04 , F27D11/08
CPC分类号： B22D7/005 , B21C1/02 , B22F3/02 , B22F3/24 , B22F5/12 , B22F10/25 , B22F10/38 , B23K9/044 , B23K9/24 , B23K9/295 , B23K15/0086 , B23K15/0093 , B32B15/01 , B33Y10/00 , B33Y70/00 , B33Y80/00 , C22C27/04 , F27D11/08 , B22F10/00 , B22F10/20 , B22F2301/20 , B23K2103/08 , Y02P10/25
摘要： In various embodiments, wire composed at least partially of arc-melted refractory metal material is utilized to fabricate three-dimensional parts by additive manufacturing.

5. 发明申请

US20220331864A1 TUNGSTEN HEAVY METAL ALLOY POWDERS AND METHODS OF FORMING THEM 有权
公开(公告)号：US20220331864A1
公开(公告)日：2022-10-20
申请号：US17839800
申请日：2022-06-14
申请人： Michael T. STAWOVY , Scott D. OHM , Fahrron C. FILL
发明人： Michael T. STAWOVY , Scott D. OHM , Fahrron C. FILL
IPC分类号： B22F9/04 , B22F9/02 , B33Y70/00 , B22F10/20 , B22F10/00 , B22F1/10 , B22F1/148 , B22F9/08 , C22C27/04
摘要： In various embodiments, metallic alloy powders are formed at least in part by spray drying to form agglomerate particles and/or plasma densification to form composite particles.

6. 发明申请

US20140356216A1 SLIP AND PRESSURE CASTING OF REFRACTORY METAL BODIES 审中-公开
标题翻译：炼钢金属体的滑动和压力铸造
公开(公告)号：US20140356216A1
公开(公告)日：2014-12-04
申请号：US14288719
申请日：2014-05-28
申请人： MICHAEL T. STAWOVY , Maria Bozena Winnicka
发明人： MICHAEL T. STAWOVY , Maria Bozena Winnicka
IPC分类号： B22F3/22
CPC分类号： B22F3/22 , B22F1/0014
摘要： In various embodiments, powders with engineered particle-size distributions are slip or pressure casted to produce homogeneous parts without the need for additives such as flocculating or deflocculating agents.
摘要翻译：在各种实施方案中，具有工程化粒度分布的粉末是滑动或压力铸造以产生均匀的部件，而不需要诸如絮凝剂或抗絮凝剂的添加剂。

7. 发明授权

US08486541B2 Co-sintered multi-system tungsten alloy composite 有权
标题翻译：共烧结多系钨合金复合材料
公开(公告)号：US08486541B2
公开(公告)日：2013-07-16
申请号：US11811949
申请日：2007-06-12
申请人： Timothy J. Brent , Michael T. Stawovy
发明人： Timothy J. Brent , Michael T. Stawovy
IPC分类号： C22C27/04 , B32B15/04 , B32B15/18 , B32B15/20 , F02K9/00
CPC分类号： B22F3/1035 , B22F2998/10 , Y10T428/12014 , Y10T428/12486 , Y10T428/1284 , B22F1/0003 , B22F3/02
摘要： A composite is produced by the steps of (a) blending a first mixture of metallic powders; (b) compacting the blended first mixture of metallic powders to a plurality of discretely shaped articles; (c) blending a second mixture of metallic powders; (d) mixing the plurality of discretely shaped articles with the blended second mixture of metallic powders to form a precursor blend; (e) compacting the precursor blend; and (f) sintering the precursor blend. The composite has a metallic matrix with embedded shapes dispersed throughout the matrix where the embedded shapes have an incipient liquid phase sintering temperature less than an incipient liquid phase sintering temperature of the matrix.
摘要翻译：通过以下步骤制备复合材料：（a）混合金属粉末的第一混合物; （b）将所述混合的金属粉末混合物压实成多个离散成型制品; （c）混合金属粉末的第二混合物; （d）将多个离散成型制品与共混的金属粉末混合物混合以形成前体共混物; （e）压实前体混合物; 和（f）烧结前体共混物。复合材料具有分散在整个基质中的嵌入形状的金属基体，其中嵌入的形状具有小于基体的初始液相烧结温度的初始液相烧结温度。

8. 发明授权

US07921778B2 Single phase tungsten alloy for shaped charge liner 有权
标题翻译：用于成型电荷衬管的单相钨合金
公开(公告)号：US07921778B2
公开(公告)日：2011-04-12
申请号：US12043593
申请日：2008-03-06
申请人： Michael T. Stawovy
发明人： Michael T. Stawovy
IPC分类号： F42B1/032 , C22C19/03
CPC分类号： F42B1/032 , F42B1/036
摘要： A single phase metal alloy usually for forming a shaped charge liner for a penetrating jet or explosively formed penetrator forming warhead consists essentially of from a trace to 90%, by weight, of cobalt, from 10% to 50% by weight, of tungsten, and the balance nickel and inevitable impurities. One preferred composition is, by weight, from 16% to 22%, cobalt, from 35% to 40% tungsten and the balance is nickel and inevitable impurities. The alloy is worked and recrystallized and then formed into a desired product. In addition to a shaped charge liner, other useful products include a fragmentation warhead, a warhead casing, ammunition, radiation shielding and weighting.
摘要翻译：通常用于形成用于穿透射流或爆炸形成的形成弹头的穿透器的成形电荷衬垫的单相金属合金基本上由痕量至90重量％的钴，10重量％至50重量％的钨，余量为镍和不可避免的杂质。一种优选的组合物按重量计为16％至22％，钴，35％至40％的钨，余量为镍和不可避免的杂质。将合金加工并重结晶，然后形成所需产物。除了成形的充气衬垫之外，其他有用的产品还包括碎片弹头，弹头套管，弹药，辐射屏蔽和加重。

9. 发明公开

US20240263281A1 FABRICATION OF METALLIC PARTS BY ADDITIVE MANUFACTURING 审中-公开
公开(公告)号：US20240263281A1
公开(公告)日：2024-08-08
申请号：US18418510
申请日：2024-01-22
申请人： Michael T. STAWOVY , Scott D. OHM , Fahrron C. FILL
发明人： Michael T. STAWOVY , Scott D. OHM , Fahrron C. FILL
IPC分类号： C22C27/04 , B22F1/10 , B22F1/103 , B22F1/148 , B22F3/10 , B22F9/02 , B22F9/04 , B22F9/08 , B22F10/00 , B22F10/14 , B22F10/25 , B22F10/32 , B22F10/66 , B33Y10/00 , B33Y70/00 , C22C1/04
CPC分类号： C22C27/04 , B22F1/103 , B22F9/026 , B22F9/04 , B22F9/082 , B22F10/00 , B22F10/14 , B33Y70/00 , B22F1/10 , B22F1/148 , B22F3/10 , B22F3/1021 , B22F2009/041 , B22F10/25 , B22F10/32 , B22F10/66 , B22F2201/013 , B22F2202/13 , B22F2207/13 , B22F2207/17 , B22F2301/10 , B22F2301/15 , B22F2301/20 , B22F2301/35 , B22F2999/00 , B33Y10/00 , C22C1/045
摘要： In various embodiments, metallic alloy powders are utilized as feedstock, or to fabricate feedstock, utilized in additive manufacturing processes to form three-dimensional metallic parts.

10. 发明授权

US11919070B2 Fabrication of metallic parts by additive manufacturing 有权
公开(公告)号：US11919070B2
公开(公告)日：2024-03-05
申请号：US18083748
申请日：2022-12-19
申请人： Michael T. Stawovy
发明人： Michael T. Stawovy
IPC分类号： B22D7/00 , B21C1/02 , B22F3/02 , B22F3/24 , B22F5/12 , B22F10/25 , B22F10/38 , B23K9/04 , B23K9/24 , B23K9/29 , B23K15/00 , B32B15/01 , B33Y10/00 , B33Y70/00 , B33Y80/00 , C22C27/04 , F27D11/08 , B22F10/00 , B22F10/20 , B23K103/08
CPC分类号： B22D7/005 , B21C1/02 , B22F3/02 , B22F3/24 , B22F5/12 , B22F10/25 , B22F10/38 , B23K9/044 , B23K9/24 , B23K9/295 , B23K15/0086 , B23K15/0093 , B32B15/01 , B33Y10/00 , B33Y70/00 , B33Y80/00 , C22C27/04 , F27D11/08 , B22F10/00 , B22F10/20 , B22F2301/20 , B23K2103/08 , Y02P10/25
摘要： In various embodiments, wire composed at least partially of arc-melted refractory metal material is utilized to fabricate three-dimensional parts by additive manufacturing.

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