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51. 发明授权

US06228139B1 Fine-grained WC-Co cemented carbide 有权
标题翻译：细粒WC-Co硬质合金
公开(公告)号：US06228139B1
公开(公告)日：2001-05-08
申请号：US09558228
申请日：2000-04-26
申请人： Rolf Oskarsson
发明人： Rolf Oskarsson
IPC分类号： B22F312
CPC分类号： C22C1/051 , B22F2003/1032 , B22F2005/001 , B22F2998/00 , B22F2999/00 , C22C29/08 , B22F9/026 , B22F1/0003 , B22F9/04
摘要： The present invention relates to a method of making a WC—Co-based cemented carbide with a sintered mean WC-grain size in the range 0.4-1.6 &mgr;m. the cemented carbide is produced from well deagglomerated or easy to deagglomerate WC powder with round morphology, a Co powder also well deagglomerated or easy to deagglomerate and with a grain size equal to or smaller than the WC grain size and grain growth inhibitors. According to the invention the metal part of the grain growth inhibitors is added as part of the binder phase i.e., is included in the Co powder and alloyed therewith.
摘要翻译：本发明涉及一种制备WC-Co基硬质合金的方法，该硬质合金的烧结平均WC晶粒尺寸在0.4-1.6μm的范围内。硬质合金由具有圆形形态的良好解团或易于解聚的WC粉末生产，Co粉末也很好地团聚或易于解聚，并且具有等于或小于WC晶粒尺寸和晶粒生长抑制剂的晶粒尺寸。根据本发明，晶粒生长抑制剂的金属部分作为粘合剂相的一部分加入，即包含在Co粉末中并与其合金化。

52. 发明授权

US5885372A Multi-step process to incorporate grain growth inhibitors in WC-Co composite 失效
标题翻译：在WC-Co复合材料中纳入晶粒生长抑制剂的多步法
公开(公告)号：US5885372A
公开(公告)日：1999-03-23
申请号：US733233
申请日：1996-10-02
申请人： Purnesh Seegopaul
发明人： Purnesh Seegopaul
IPC分类号： B23B27/14 , B22F1/02 , B22F9/08 , B22F9/22 , C01B32/949 , C22C1/05 , C22C29/08 , C23C8/20
CPC分类号： C22C1/056 , C22C29/08 , B22F2003/1032 , Y10S977/891
摘要： Grain growth inhibitors including vanadium carbide, chromium carbide, tantalum carbide, and niobium carbide are incorporated into a cobalt/tungsten carbide matrix during the formation of the cobalt/tungsten carbide matrix. A precursor powder is formed by combining in solution a cobalt composition, a tungsten composition and a grain growth inhibiting metal composition, which is then spray dried. The precursor compound is then carburized in carbon monoxide and carbon dioxide to form cobalt/tungsten carbide matrix. This is then further carburized in a hydrocarbon hydrogen gas at an elevated temperature to cause the grain growth inhibiting metal present to form the carbide. The second carburizing step is conducted with a carburizing gas having a carbon activity greater than about 2 for a relatively short period of time at 900.degree. C. to 1000.degree. C.
摘要翻译：在钴/碳化钨基体的形成期间，将包含碳化钒，碳化铬，碳化钽和碳化铌的晶粒生长抑制剂掺入钴/碳化钨基质中。通过在溶液中混合钴组合物，钨组合物和抑制晶粒生长的金属组合物形成前体粉末，然后将其喷雾干燥。然后将前体化合物在一氧化碳和二氧化碳中渗碳以形成钴/碳化钨基体。然后在烃氢气中在升高的温度下进一步渗碳，以使存在的晶粒生长抑制金属形成碳化物。第二渗碳步骤在900℃至1000℃下在较短时间内具有大于约2的碳活性的渗碳气体进行。

53. 发明授权

US5841045A Cemented carbide articles and master alloy composition 失效
标题翻译：硬质合金制品和主合金组成
公开(公告)号：US5841045A
公开(公告)日：1998-11-24
申请号：US518498
申请日：1995-08-23
申请人： Larry E. McCandlish , Rajendra K. Sadangi
发明人： Larry E. McCandlish , Rajendra K. Sadangi
IPC分类号： C22C29/02 , B22F9/02 , C22C1/05 , C22C29/06 , C22C29/08
CPC分类号： C22C29/08 , B22F9/026 , C22C1/051 , C22C29/067 , B22F2003/1032
摘要： A low melting point alloy is used to sinter metal carbide particles. The alloy is a eutectic-like alloy formed from a binding metal such as iron, cobalt or nickel, in combination with vanadium and chromium. The alloy is preferably formed by forming two separate alloys and blending these together. The first alloy is formed by spray drying together a solution of a binding metal salt such as a cobalt salt with a solution of a chromium salt. The formed particles are then carburized to form a cobalt-chromium-carbon alloy. A separate vanadium alloy is formed in the same manner. The two are combined to establish the amount of chromium and vanadium desired, and this, in turn, is used to sinter metal carbide parts. This permits sintering of the metal carbide parts at temperatures less than 1250.degree. C. and in turn significantly inhibits grain grown without a significant decrease in toughness. It is particularly adapted to form carbide products wherein the carbide grain size is as low as 120 nanometers.
摘要翻译：使用低熔点合金烧结金属碳化物颗粒。该合金是由诸如铁，钴或镍的结合金属与钒和铬组合形成的共晶合金。合金优选通过形成两个单独的合金并将它们混合在一起形成。第一合金是通过将结合金属盐如钴盐与铬盐溶液一起喷雾干燥而形成的。然后将形成的颗粒渗碳以形成钴 - 铬 - 碳合金。以相同的方式形成单独的钒合金。两者结合以确定所需的铬和钒的量，并且这又用于烧结金属碳化物部件。这允许在小于1250℃的温度下烧结金属碳化物部件，并且进而显着抑制晶粒生长而不显着降低韧性。特别适用于碳化物产物，其中碳化物晶粒尺寸低至120纳米。

56. 发明公开

KR1020120058430A 나노 사이즈의 결정입 성장 억제제를 갖는 초미세 다결정질 다이아몬드의 제조방법 审中-实审
标题翻译：用纳米尺寸生长抑制剂制造超声波多晶金刚石
公开(公告)号：KR1020120058430A
公开(公告)日：2012-06-07
申请号：KR1020110125815
申请日：2011-11-29
申请人： 엘리먼트 씩스 리미티드
发明人： 바오,야화 , 야오,시안 , 호만,스캇
IPC分类号： C01B31/06 , C01G23/04 , B22F3/00
CPC分类号： C01B32/25 , B22F3/10 , B22F2003/1032 , C01G23/04 , C01P2004/61 , C01P2006/90
摘要： PURPOSE: A method for manufacturing ultrafine polycrystalline diamond based on a crystal grain growth inhibitor of nano sizes is provided to improve the intensity and the abrasion characteristic of the polycrystalline diamond. CONSTITUTION: The mixture of diamond particles is prepared, the average particle size of the diamond particles is about 1um or less(101). A plurality of the particles containing titanium of nano-sizes is dispersed in the mixture(102). The particles containing the titanium function as a crystal grain growth inhibitor. The particles and the diamond particles are sintered under high pressures and temperatures(103). Sintered polycrystalline texture of diamond crystal grain is obtained. When the particles containing the titanium are dispersed, a plurality of titanium oxide particles is deposited on the surface of diamond particles. The titanium oxide particles are converted into crystal grain growth inhibitor containing titanium.
摘要翻译：目的：提供一种基于纳米尺寸的晶粒生长抑制剂制造超细多晶金刚石的方法，以改善多晶金刚石的强度和磨损特性。构成：制备金刚石颗粒的混合物，金刚石颗粒的平均粒度为约1um或更小（101）。多个含有纳米尺寸的钛的颗粒分散在混合物（102）中。含有钛的颗粒作为晶粒生长抑制剂起作用。颗粒和金刚石颗粒在高压和高温下烧结（103）。获得金刚石晶粒的烧结多晶结构。当含有钛的颗粒分散时，在金刚石颗粒的表面上沉积多个氧化钛颗粒。氧化钛粒子被转化成含有钛的晶粒生长抑制剂。

57. 发明专利

JP6067841B2 焼結磁石製造方法有权
标题翻译：烧结磁铁的制造方法
公开(公告)号：JP6067841B2
公开(公告)日：2017-01-25
申请号：JP2015508248
申请日：2014-03-10
申请人：インターメタリックス株式会社
发明人：紺村一之 , 佐川眞人
IPC分类号： H01F1/057 , C22C38/00 , B22F3/00 , B22F3/02 , C22C33/02 , H01F41/02
CPC分类号： H01F1/0577 , B22F1/0003 , B22F1/0014 , B22F1/0059 , B22F3/10 , B22F9/04 , C22C32/0015 , C22C33/0228 , C22C33/0285 , C22C38/002 , C22C38/005 , C22C38/04 , C22C38/06 , C22C38/10 , C22C38/16 , C22C38/42 , C22C38/52 , C22C38/54 , B22F2003/1032 , B22F2009/045 , B22F2301/355 , B22F2303/01 , B22F2304/058 , B22F2304/10 , B22F2999/00 , B22F3/1017 , C22C2202/02

58. 发明专利

JP2008138291A Cemented carbide article, and master alloy composition 审中-公开
标题翻译： CEMENTED CARBIDE ARTICLE，和MASTER ALLOY COMPOSITION
公开(公告)号：JP2008138291A
公开(公告)日：2008-06-19
申请号：JP2007328851
申请日：2007-12-20
申请人： Rutgers The State Univ Of New Jersey , Umicore , ユミコア , ラットジャーズ,ザステートユニバーシティオブニュージャージー
发明人： MCCANDLISH LARRY E , SADANGI RAJENDRA K
IPC分类号： C22C29/02 , C22C29/08 , B22F3/10 , B22F9/02 , C04B35/56 , C22C1/05 , C22C29/06
CPC分类号： C22C29/08 , B22F9/026 , B22F2003/1032 , C22C1/051 , C22C29/067
摘要： PROBLEM TO BE SOLVED: To provide a method by which metal carbide parts can be sintered at a temperature lower than conventional sintering temperature e.g. 1,250°C and, in addition, grain growth can be significantly inhibited without causing a significant decrease in toughness and a small carbide product of about 120 nm carbide grain size can be formed. SOLUTION: A low-melting alloy composed of a combination of the followings is provided: at least one binding metal selected from the group consisting of iron, cobalt and nickel; at least one metal selected from the group consisting of vanadium, chromium, tantalum and niobium; and carbon in an amount effective in providing an alloy having a liquid forming temperature lower than about 1,300°C and containing ≤60% iron. An article, composed of ceramic powder particles or cermet powder particles or a mixture of ceramic powder particles and cermet powder particles, which are sintered using the low-melting alloy as a sintering aid, is also provided. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种可以在低于常规烧结温度的温度下烧结金属碳化物部件的方法，例如，此外，可以显着抑制晶粒生长，而不会导致韧性的显着降低，并且可以形成约120nm的碳化物晶粒尺寸的小的碳化物产物。解决方案：提供由以下组合组成的低熔点合金：至少一种选自铁，钴和镍的结合金属; 选自钒，铬，钽和铌中的至少一种金属; 和碳，其量有效地提供液体形成温度低于约1300℃且含有≤60％铁的合金。还提供了使用低熔点合金作为烧结助剂烧结的陶瓷粉末颗粒或金属陶瓷粉末颗粒或陶瓷粉末颗粒和金属陶瓷粉末颗粒的混合物的制品。版权所有（C）2008，JPO＆INPIT

59. 发明公开

KR1020040091627A 안정화된 입자 크기의 난융 금속 분말 야금 밀 제품 无效
标题翻译：稳定粒度难熔金属粉末冶金磨粉机产品
公开(公告)号：KR1020040091627A
公开(公告)日：2004-10-28
申请号：KR1020047011314
申请日：2003-01-21
申请人： 에이치. 씨. 스타아크 아이앤씨
发明人： 아이몬폴알. , 골드버그호와드브이. , 말렌리차드 , 모스토마스에이. , 쿠마프라바트 , 울렌허트헤닝
IPC分类号： B22F3/00 , B22F1/00
CPC分类号： B22F3/1003 , B22F1/0088 , B22F2003/1032 , B22F2005/002 , B22F2998/00 , B22F2998/10 , C22C32/0031 , B22F5/007 , B22F1/0003 , B22F3/15 , B22F3/16 , B22F3/20
摘要： 본 발명은 분말 금속(P/M) 밀 제품 그리고 고온 분야에서 요구되는 바와 같은 난융 금속 입자 크기 안정화를 달성하는 공동 조립을 위한 산화물 첨가제(MgO, SiO
2 및 Y
2 O
3 등)를 사용하여 저산소(

60. 发明授权

KR100374705B1 탄화텅스텐/코발트계 초경합금의 제조방법 有权
标题翻译： 탄화텅스텐/코발트계초경합금의제조방법
公开(公告)号：KR100374705B1
公开(公告)日：2003-03-04
申请号：KR1020000033665
申请日：2000-06-19
申请人： 한국기계연구원
发明人： 김병기 , 하국현 , 우용원
IPC分类号： B22F9/16
CPC分类号： C22C1/053 , B22F2003/1032 , B22F2998/10 , B22F9/026 , B22F9/04
摘要： 본 발명은 탄화텅스텐/코발트계 초경합금의 제조에 관한 것으로, 입자성장억제제인 V, Ta, Cr 성분을 포함하는 수용성염을 탄화텅스텐/코발트계 초경합금 제조초기단계에서, W와 Co 수용성염을 혼합할 때 첨가하여 입자성장억제제가 균일하게 분산된 분말을 제조하고, 소결단계에서 WC의 이상성장을 효과적으로 제어하여 기계적 성질을 향상시켜준다.
摘要翻译：本发明涉及添加WC / Co硬质合金的晶粒生长抑制剂的方法，其包括在混合水溶性时添加V，Ta或Cr组分的水溶性盐作为晶粒生长抑制剂在WC / Co硬质合金初始生产过程中W和Co的盐。结果，本发明导致生产晶粒生长抑制剂均匀分布的粉末，这进而通过有效地控制在所述胶结的生产过程中的烧结过程中WC的异常生长而导致其机械性能的提高碳化物。

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