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1. 发明专利

JP2011092973A Dissimilar material joined body 有权
标题翻译： DISSIMILAR材料加工体
公开(公告)号：JP2011092973A
公开(公告)日：2011-05-12
申请号：JP2009248955
申请日：2009-10-29
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： TSUTSUMI KAZUYUKI , OKUMURA MASAYOSHI , TATSUTA OSAMU
IPC分类号： B23K20/00 , B23K1/19 , B23K20/22 , B23K103/18
摘要： PROBLEM TO BE SOLVED: To provide a dissimilar material joined body in which a sound joined part can be formed by reducing the thermal stress between a metallic material and a hard material caused by a difference in the amount of thermal shrinkage as much as possible when they are joined so as to compose a dissimilar material joined body, and solving the problem, e.g., that deformation or cracks are produced or the joined part is peeled.
SOLUTION: The dissimilar material joined body is composed by joining a metallic material having the property of producing martensitic transformation and a hard material in which martensitic transformation is produced. (a) The metallic material is selected so as to set the phase transformation temperature region of the metallic material in accordance with the phase transformation temperature of the hard material, or (b) the hard material is selected so as to set the phase transformation temperature region of the hard material in accordance with the phase transformation temperature of the metallic material.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种不同的材料接合体，其中可以通过降低由热收缩量差异引起的金属材料和硬质材料之间的热应力而形成声音接合部分，可以在组合不同材料接合体时结合，并且解决问题，例如产生变形或裂纹或接合部分被剥离。解决方案：异种材料接合体是通过接合具有马氏体转变性的金属材料和产生马氏体相变的硬质材料构成的。（a）选择金属材料，以根据硬质材料的相变温度设定金属材料的相变温度区域，或者（b）选择硬质材料，以设定相变温度根据金属材料的相变温度，硬质材料的区域。版权所有（C）2011，JPO＆INPIT

2. 发明专利

JP2014028401A Method for bonding metal material to hard material 有权
标题翻译：将金属材料与硬质材料接合的方法
公开(公告)号：JP2014028401A
公开(公告)日：2014-02-13
申请号：JP2013191997
申请日：2013-09-17
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： TSUTSUMI KAZUYUKI , OKUMURA MASAYOSHI , TATSUTA OSAMU
IPC分类号： B23K1/19 , B23K31/02 , B23K103/18 , C04B37/02
摘要： PROBLEM TO BE SOLVED: To provide a bonding method by which in bonding a metal material to a hard material to compose a dissimilar material bonded body, thermal stress between the materials due to a difference in a thermal contraction quantity therebetween can be reduced as far as possible, and problems such as occurrence of deformation and cracking, and peeling of a bonded part are resolved, and a sound bonded part can be formed.SOLUTION: There is provided the method for bonding a metal material to a hard material, which includes, in bonding a metal material having characteristics to generate martensitic transformation to a hard material generating martensitic transformation, steps of: (a) selecting the metal material so that a temperature range of phase transformation of the metal material is set according to the temperature of phase transformation of the hard material; or (b)selecting the hard material so that a temperature range of phase transformation of the hard material is set according to the temperature of phase transformation of the metal material.
摘要翻译：要解决的问题：为了提供将金属材料与硬质材料接合以构成异种材料接合体的接合方法，可以减少由于其间的热收缩量的差异导致的材料之间的热应力，只要可能会发生变形和开裂的发生以及接合部分的剥离等问题，并且可以形成声音接合部。解决方案提供了将金属材料粘结到硬质材料上的方法，在具有马氏体转变特性的金属材料的接合中，使马氏体相变的硬质材料接合的步骤为：（a）选择金属材料，使得根据相变温度设定金属材料的相变温度范围的硬质材料; 或（b）选择硬质材料，使硬质材料的相变温度范围根据金属材料的相变温度来设定。

3. 发明专利

JP2006336048A Cemented carbide 有权
标题翻译：硬质合金
公开(公告)号：JP2006336048A
公开(公告)日：2006-12-14
申请号：JP2005159845
申请日：2005-05-31
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： KUDO TAKAHIRO , ONISHI TAKASHI , TATSUTA OSAMU , SHIGENO ATSUSHI
IPC分类号： C22C29/08
摘要： PROBLEM TO BE SOLVED: To provide cemented carbide by which, even in the case that, after being joined to a base material (basis material) by welding or brazing, the resultant joined object (joined material) is subjected to holding at a high temperature, cracking and deterioration in wear resistance after the high temperature holding can be prevented.
SOLUTION: (1) The cemented carbide uses Co and/or Ni as a binding material, and in which WC is dispersed in the binding material, and further, the particle size of the WC is 1.5 to 4μm and the total content of the Co and/or Ni is 25 to 45 mass% and 6 to 25 mass% W is contained in the binding material. (2) The cemented carbide is produced by substituting not more than 15 vol.% of the WC with fine powder of 0.3 to 3μm particle size composed of one or more kinds among the carbides, nitrides and carbonitrides of at least one element selected from Ti, Ta, Nb, V and Cr. (3) The cemented carbide is used by being joined to the surface of the basis material of a sliding member.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供硬质合金，即使在通过焊接或钎焊接合到基材（基材）之后，将所得的接合物（接合材料）保持在可以防止耐高温，高温保持后的耐磨损性和劣化。解决方案：（1）硬质合金使用Co和/或Ni作为粘合材料，其中WC分散在粘合材料中，WC的粒径为1.5〜4μm，总量的Co和/或Ni的比例为25〜45质量％，并且粘合材料中含有6〜25质量％的W。（2）硬质合金是通过将不超过15体积％的WC替代为选自Ti中的至少一种元素的碳化物，氮化物和碳氮化物中的由0.3〜3μm的粒径构成的细粉末，Ta，Nb，V和Cr。（3）硬质合金通过与滑动部件的基材的表面接合而使用。版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2004018884A Bimetallic integrated sintered steel 审中-公开
公开(公告)号：JP2004018884A
公开(公告)日：2004-01-22
申请号：JP2002171555
申请日：2002-06-12
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： TOKUHIRA MASAYA , TOMURA SATORU , TATSUTA OSAMU , NAGAMI NOBUKI , YAMAZAKI NOBUHIRO
IPC分类号： B22F7/06 , B22F7/00 , C22C38/00 , C22C38/16 , C22C38/52
摘要： PROBLEM TO BE SOLVED: To provide inexpensive bimetallic integrated sintered steel which has excellent reliability in strength and excellent wear resistance, and to provide a method of producing the same.
SOLUTION: The space between an edge part consisting of sintered steel which comprises hard grains of 15 to 35 mass% and a base metal consisting of sintered steel which does not comprise hard grains is provided with one or more intermediate layers in a thickness of ≥1 mm consisting of sintered steel which comprises hard grains of ≤15 mass%, more preferably, ≤10 mass% ( 0 mass% is not included). Sintering is performed at a higher temperature in the liquid phase appearing temperatures of the sintered steel respectively constituting the edge part and the intermediate layer.
COPYRIGHT: (C)2004,JPO

5. 发明专利

JP2007113036A Cemented carbide 审中-公开
标题翻译：硬质合金
公开(公告)号：JP2007113036A
公开(公告)日：2007-05-10
申请号：JP2005303525
申请日：2005-10-18
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： ONISHI TAKASHI , KUDO TAKAHIRO , SHIGENO ATSUSHI , TATSUTA OSAMU , NAGAMI NOBUKI
IPC分类号： C22C29/08
摘要： PROBLEM TO BE SOLVED: To provide cemented carbide having excellent toughness and corrosion resistance.
SOLUTION: There is provided (1) a cemented carbide in which a hard phase is composed of WC and a binder phase is composed of a Co-base alloy and in which the content of the Co-base alloy is made to 35 to 55 mass% and the Co-base alloy contains ≥20 mass% Ni and ≥6 mass% Cr, or (2) the cemented carbide composed of the above cemented carbide (1) in which Ni content and Cr content in the Co-base alloy are made to ≥30 mass% and ≥8 mass%, respectively. Further alternatively, there is provided (3) the cemented carbide composed of either of the above cemented carbides (1) and (2) in which the Co-base alloy contains 10 to 25 mass% W.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供具有优异韧性和耐腐蚀性的硬质合金。解决方案：提供（1）硬质合金，硬质相由WC构成，粘结相由Co基合金构成，Co基合金的含量为35 至55质量％，Co基合金含有≥20质量％的Ni和≥6质量％的Cr，或者（2）由上述硬质合金（1）组成的硬质合金，其中Ni含量和Co- 基体合金分别为≥30质量％和≥8质量％。或者，（3）由上述硬质合金（1）和（2）中的任一种构成的硬质合金，其中，所述Co基合金含有10〜25质量％的W。版权所有（C） 2007年，日本特许厅和INPIT

6. 发明专利

JP2005288710A Die plate 有权
标题翻译： DIE板
公开(公告)号：JP2005288710A
公开(公告)日：2005-10-20
申请号：JP2004102781
申请日：2004-03-31
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： TATSUTA OSAMU , SHIGENO ATSUSHI , NAGAMI NOBUKI , KONNO MASASHI , TAKEDA HIROYUKI
IPC分类号： B23K1/00 , B23K20/02 , B23K31/02 , B29B9/06 , B29C33/38
CPC分类号： B23K31/025 , B23K1/0008 , B23K2201/20 , B29B9/06 , B30B11/221
摘要： PROBLEM TO BE SOLVED: To provide a die plate having cured surfaces for permitting a knife to slide, large in the degree of freedom of the arrangement of nozzle orifices, capable of densely arranging a large number of nozzle orifices, making it hard members for forming the cured surfaces to fall off to extend the life of the members and capable of being manufactured by the reduced number of processes. SOLUTION: The cured surfaces (h) are formed by diffusing and joining a plurality of WC alloy plates 1b to a matrix 2b. A plurality of the nozzle orifices 4a, 4a, etc. are formed to the respective WC alloy plates. Each of the WC alloy plates 1b is formed into a shape having adjacent two sides becoming 2.5 mm or above in thickness and 20 mm or above in length but both sides are 200 mm or below. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种具有固化表面的模板，其具有允许刀滑动的能力，可以大大地设置喷嘴孔的自由度，能够密集地布置大量的喷嘴孔，使其硬用于形成固化表面的构件脱落以延长构件的寿命并且能够通过减少的工艺数量制造。解决方案：固化表面（h）通过将多个WC合金板1b扩散并接合到基体2b而形成。多个喷嘴孔4a，4a等形成在相应的WC合金板上。每个WC合金板1b形成为具有相邻两侧的形状为2.5mm以上，长度为20mm以上且两侧为200mm以下的形状。版权所有（C）2006，JPO＆NCIPI

7. 发明专利

JP2003334790A Knife for pelletizer 有权
标题翻译：杀死凶手
公开(公告)号：JP2003334790A
公开(公告)日：2003-11-25
申请号：JP2002142143
申请日：2002-05-16
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： KONNO MASASHI , SHIGENO ATSUSHI , FUJIMURA HIDEKI , KOBAYASHI RYUICHI , TATSUTA OSAMU , NAGAMI NOBUKI
IPC分类号： B26D1/28 , B29B9/06
摘要： PROBLEM TO BE SOLVED: To provide a knife for a pelletizer superior in abrasion resistance, causing little breakage of the knife itself and a defect of an edge, and causing little abrasion of the rake surface of the knife even when palletizing plastic including a hard substance.
SOLUTION: A base material 25 of the knife is formed of general steel such as rigid stainless steel. An edge 19, the edge 19 side of the rake surface 23 and the edge 19 side of a sliding surface 21 for contacting with a die plate 1 are formed of metal including hard carbide such as TiC, NbC, WC and CrC. The clearance surface 22 side of the sliding surface 21 contacting with the die plate 1 is formed of the general steel or a blend layer of metal including the general steel and carbide.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：为了提供耐磨性优异的造粒机，刀本身几乎没有破裂和边缘缺陷，并且即使在将包括一种硬物质。
解决方案：刀的基材25由诸如刚性不锈钢的普通钢形成。边缘19，前刀面23的边缘19侧和用于与模板1接触的滑动表面21的边缘19侧由包括诸如TiC，NbC，WC和CrC的硬质合金的金属形成。与模板1接触的滑动表面21的间隙表面22侧由普通钢或包含普通钢和碳化物的金属的共混层形成。版权所有（C）2004，JPO

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