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公开(公告)号：US20200270716A1
公开(公告)日：2020-08-27
申请号：US16757005
申请日：2018-10-19
申请人： Gary M Cola, Jr.
发明人： Gary M Cola, Jr.
IPC分类号： C21D9/42 , C21D6/00 , C21D1/19 , C22C38/58 , C22C38/50 , C22C38/46 , C22C38/44 , C22C38/52 , C22C38/06 , C22C38/02 , C22C38/00 , C22C38/48
摘要： A method is disclosed for Flash Process heat treating lean alloyed steels in strips, sheets, bars, plates, wires, tubes, profiles, work pieces and the like which are converted into multi-phase, multi chemistry armor and advanced high strength steel produced with a minimum of cost, time and effort. The resulting material is a high performance armor with the ability to prevent penetration by a 0.30-caliber M2 armor piercing bullet shot at a 30 degree obliquity, from perpendicular to the plate. Stopping velocity of 2232 feet per second.
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公开(公告)号：US20190024204A1
公开(公告)日：2019-01-24
申请号：US16142009
申请日：2018-09-26
申请人： ATI PROPERTIES LLC
IPC分类号： C21D9/42 , F41H5/04 , C22C38/44 , B21B1/00 , B21B1/02 , B21B1/04 , B21B1/22 , B21B1/24 , B21B1/26 , B21B1/46 , C22C38/08 , C22C38/04 , C22C38/02 , C22C38/00 , C21D9/50 , C21D8/02 , C21D7/13 , C21D7/04 , C21D1/18 , B32B15/18 , B32B15/04 , B32B15/01 , B23K35/02 , B23K20/227 , B23K20/08 , B21B3/02 , B21B3/00 , B23K103/04
摘要： A dual hardness steel article comprises a first air hardenable steel alloy having a first hardness metallurgically bonded to a second air hardenable steel alloy having a second hardness. A method of manufacturing a dual hard steel article comprises providing a first air hardenable steel alloy part comprising a first mating surface and having a first part hardness, and providing a second air hardenable steel alloy part comprising a second mating surface and having a second part hardness. The first air hardenable steel alloy part is metallurgically secured to the second air hardenable steel alloy part to form a metallurgically secured assembly, and the metallurgically secured assembly is hot rolled to provide a metallurgical bond between the first mating surface and the second mating surface.
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公开(公告)号：US10113211B2
公开(公告)日：2018-10-30
申请号：US14867081
申请日：2015-09-28
申请人： ATI PROPERTIES LLC
IPC分类号： C21D9/42 , C21D7/13 , C21D1/18 , C21D9/50 , B23K20/227 , B23K20/08 , C22C38/00 , C22C38/44 , C22C38/04 , C22C38/02 , B32B15/04 , B32B15/18 , B21B1/46 , B21B3/00 , B21B1/04 , B21B1/24 , B21B1/22 , B21B1/02 , B21B3/02 , B21B1/26 , B21B1/00 , B32B15/01 , C21D7/04 , C21D8/02 , C22C38/08 , F41H5/04 , B23K35/02 , B23K103/04
摘要： A dual hardness steel article comprises a first air hardenable steel alloy having a first hardness metallurgically bonded to a second air hardenable steel alloy having a second hardness. A method of manufacturing a dual hard steel article comprises providing a first air hardenable steel alloy part comprising a first mating surface and having a first part hardness, and providing a second air hardenable steel alloy part comprising a second mating surface and having a second part hardness. The first air hardenable steel alloy part is metallurgically secured to the second air hardenable steel alloy part to form a metallurgically secured assembly, and the metallurgically secured assembly is hot rolled to provide a metallurgical bond between the first mating surface and the second mating surface.
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公开(公告)号：US20180265942A1
公开(公告)日：2018-09-20
申请号：US15754688
申请日：2016-08-25
发明人： Xiaoting ZHAO , Fengbin LI , Liandeng YAI , Hongbin LI
IPC分类号： C21D9/42 , C21D8/02 , C21D6/00 , C22C38/54 , C22C38/50 , C22C38/44 , C22C38/42 , C22C38/06 , C22C38/04 , C22C38/02 , F41H5/02
CPC分类号： C21D9/42 , C21D6/004 , C21D6/005 , C21D6/008 , C21D8/02 , C21D8/0205 , C21D8/0226 , C21D8/0263 , C21D2211/008 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/42 , C22C38/44 , C22C38/50 , C22C38/54 , F41H5/02 , F41H5/0442
摘要： A bulletproof steel plate with a tensile strength of 2000 MPa grade and a Brinell Hardness of 600 grade and a manufacturing method thereof, characterized by that the chemical elements in mass percentage thereof being: 0.35-0.45% of C, 0.80-1.60% of Si, 0.3-1.0% of Mn, 0.02-0.06% of Al, 0.3-1.2% of Ni, 0.30-1.00% of Cr, 0.20-0.80% of Mo, 0.20-0.60% of Cu, 0.01-0.05% of Ti, 0.001-0.003% of B, and the balance being Fe and inevitable impurities. The tensile strength of the steel plate can reach a grade of 2000 MPa and its Brinell Hardness can reach a grade of 600.
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公开(公告)号：US09951404B2
公开(公告)日：2018-04-24
申请号：US14804391
申请日：2015-07-21
申请人： ATI PROPERTIES LLC
IPC分类号： C22C38/54 , C21D9/00 , C21D9/46 , C21D6/00 , C22C38/52 , C22C38/50 , C22C38/46 , C22C38/06 , C22C38/00 , C21D1/56 , C21D7/13 , C21D8/02 , C21D9/42 , C22C38/02 , C22C38/04 , C22C38/44
CPC分类号： C22C38/54 , C21D1/56 , C21D6/004 , C21D6/005 , C21D6/008 , C21D7/13 , C21D8/0226 , C21D8/0263 , C21D9/0075 , C21D9/42 , C21D9/46 , C22C38/001 , C22C38/005 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/44 , C22C38/46 , C22C38/50 , C22C38/52
摘要： One aspect of the present disclosure is directed to low-alloy steels exhibiting high hardness and an advantageous level of multi-hit ballistic resistance with minimal crack propagation imparting a level of ballistic performance suitable for military armor applications. Certain embodiments of the steels according to the present disclosure have hardness in excess of 550 HBN and demonstrate a high level of ballistic penetration resistance relative to conventional military specifications.
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公开(公告)号：US20170299343A1
公开(公告)日：2017-10-19
申请号：US15378229
申请日：2016-12-14
申请人： ATI Properties LLC
IPC分类号： F41H5/00 , C22C38/44 , C22C38/08 , C22C38/04 , C22C38/00 , C21D6/00 , C22C38/54 , C21D9/42 , C22C38/02
摘要： An aspect of the present disclosure is directed to low-alloy steels exhibiting high hardness and an advantageous level of multi-hit ballistic resistance with low or no crack propagation imparting a level of ballistic performance suitable for military armor applications. Various embodiments of the steels according to the present disclosure have hardness in excess of 550 BHN and demonstrate a high level of ballistic penetration resistance relative to conventional military specifications.
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公开(公告)号：US09671199B1
公开(公告)日：2017-06-06
申请号：US14270980
申请日：2014-05-06
发明人： Jon Miller , Frank A. Stewart , Doug Moore
摘要： A process for making steel armor products for use, for example as body armor. The steel armor product made has a compound curve and is made from a flat blank of armor steel by high-temperature annealing an armor steel blank to slightly above its austenitizing temperature, then followed by a slow, temperature-controlled cooling it, over-pressing the annealed blank to a first configuration so it springs back to a second configuration approximating the desired product shape when released from the press, and then heat-treating the product back to its austenitizing temperature, quenching it, and tempering it at a low temperature. The tool is conveniently made by lamination, using a series of thin plates of tool steel each cut to produce an approximation of the desired die.
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8.发明授权Age hardenable alloy with a unique combination of very high strength and good toughness 失效年龄可硬化合金，具有非常高的强度和良好韧性的独特组合
公开(公告)号：US5866066A
公开(公告)日：1999-02-02
申请号：US706745
申请日：1996-09-09
CPC分类号： C21D9/42 , C21D6/007 , C22C38/105
摘要： An age hardenable martensitic steel alloy having a unique combination of very high strength and good toughness consists essentially of, in weight percent, about______________________________________ C 0.21-0.34 Mn 0.20 max. Si 0.10 max. P 0.008 max. S 0.003 max. Cr 1.5-2.80 Mo 0.90-1.80 Ni 10-13 Co 14.0-22.0 Al 0.1 max. Ti 0.05 max. Ce 0.030 max. La 0.010 max.______________________________________the balance essentially iron. In addition, cerium and sulfur are balanced so that the ratio Ce/S is at least about 2 and not more than about 15. A small but effective amount of calcium can be present in place of some or all of the cerium and lanthanum.
摘要翻译： 具有非常高的强度和良好韧性的独特组合的时效硬化马氏体钢合金基本上由重量百分数约为0.2-0.34-Mn 0.20最大。 - Si 0.10最大 - P 0.008最大 - S 0.003最大 - Cr 1.5-2.80 - Mo 0.90-1.80 - Ni 10-13 - Co 14.0-22.0 - Al 0.1 max。 - Ti 0.05最大 - Ce 0.030最大 - La 0.010最大 - 平衡基本上是铁。 此外，铈和硫是平衡的，使得Ce / S的比例为至少约2并且不超过约15.可以存在少量但有效量的钙代替一些或全部铈和镧。
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公开(公告)号：US20210164761A1
公开(公告)日：2021-06-03
申请号：US16613662
申请日：2018-05-03
发明人： Vanessa WOLSKE , Gabriele VIDRICH-FERKEL , Thorsten KRENKE , Rainer FECHTE-HEINEN , Jens-Ulrik BECKER
IPC分类号： F41H5/04 , B32B15/01 , C22C38/38 , C22C38/22 , C22C38/00 , C22C38/30 , C21D9/46 , C21D9/42 , C21D8/02 , C21D1/18 , C21D6/00
摘要： The invention relates to a ballistic steel or wear-resistant steel (1) made up of a multilayer steel materials composite comprising a first layer (1.1) composed of a steel which in the hardened or tempered state has a hardness of >350 HBW and at least one second layer (1.2) which is composed of a steel which is softer compared to the first layer (1.1) and is joined by substance-to-substance bonding to the first layer (1.1), wherein the second layer (1.2) has a hardness which is at least 20% lower than that of the first layer (1.1) in the hardened or tempered state. The invention further relates to a corresponding use of the ballistic steel or wear-resistant steel (1).
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公开(公告)号：US10851435B2
公开(公告)日：2020-12-01
申请号：US16061189
申请日：2016-12-14
发明人： Xiaoting Zhao , Bao Yan , Liandeng Yao , Sihai Jiao , Hongbin Li
IPC分类号： C21D9/50 , B32B15/00 , C21D9/48 , C21D9/46 , C21D8/04 , C21D8/02 , C21D1/18 , C21D9/42 , B21B1/38 , B32B15/01 , C21D6/00 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/42 , C22C38/44 , C22C38/50 , C22C38/54 , F41H5/04
摘要： A dual-hardness clad steel plate. One surface of the steel plate is a high-hardness layer, the other surface of the steel plate is a low-hardness layer, and a combination of atoms is achieved between the high-hardness layer and the low-hardness layer by rolling bonding, wherein Mn13 steel is adopted for the low-hardness layer, and the Brinell hardness of the high-hardness layer is greater than 600. Further disclosed is a production method of the dual-hardness clad steel plate, comprising: 1) respectively preparing a high-hardness layer slab and a low-hardness layer slab; 2) assembling: preprocessing combined faces of the slabs, carrying out peripheral welded sealing on joint faces of the slabs, and carrying out vacuumizing treatment on a composite slab after welded sealing; 3) heating; 4) carrying out composite rolling; 5) cooling; and 6) carrying out thermal treatment, wherein the heating temperature is 1050-1100° C., the heating time is 2-3 min/mm×slab thickness, and water cooling is performed on the heated slab, and the water temperature is lower than 40° C. The steel plate has different hardness characteristics and good low-temperature toughness.
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