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1. 发明专利

JP2001295023A HIGH MELTING POINT METALLIC MATERIAL HAVING SURFACE HARDENED LAYER AND ITS PRODUCING METHOD 失效
公开(公告)号：JP2001295023A
公开(公告)日：2001-10-26
申请号：JP2000104437
申请日：2000-04-06
申请人： ALLIED MATERIAL CORP , HAYASHI KOJI
发明人： HAYASHI KOJI , ASADA NOBUAKI , YAMAMOTO RYOJI , IGARASHI TADASHI , DOI YOSHIHIKO
IPC分类号： C23C8/24 , C23C8/64
摘要： PROBLEM TO BE SOLVED: To provide a high melting point metallic material in which molybdenum or a molybdenum alloy is provided with a surface hardened layer having wear resistance and to provide its producing method. SOLUTION: In this high melting point metallic material having a surface hardened layer, the surface of a base material metal composed of molybdenum or a molybdenum alloy is provided with a surface hardened layer containing nitrogen and carbon.

2. 发明专利

JP2001323330A CHROMIUM CARBONITRIDE AND ITS PRODUCTION METHOD 失效
公开(公告)号：JP2001323330A
公开(公告)日：2001-11-22
申请号：JP2000143016
申请日：2000-05-16
申请人： HAYASHI KOJI , ALLIED MATERIAL CORP
发明人： HAYASHI KOJI , ASADA NOBUAKI , YAMAMOTO RYOJI , DOI YOSHIHIKO
IPC分类号： C04B35/58 , B22F3/10 , C04B35/56 , C22C1/05
摘要： PROBLEM TO BE SOLVED: To provide chromium carbonitride usable as a grain growth inhibitor for producing fine-grained cemented carbide which, in case of being used for a tool, has stability preventing chipping or the like, is excellent in quality and has a long service life and to provide its production method. SOLUTION: In this chromium carbonitrode, its chemical formula is expressed by Cr (Cx, Ny), in which, between (x) and (y), the relations of x+y≈1, x =0.01 (wherein, (x) and (y) are molar ratio of nonmetallic components), Z = the molar ratio of nonmetallic components), Z>=0.90 (wherein Z= (carbon content/12 + nitrogen content/14)/(100 - carbon content - nitrogen content)1/52; wherein, Z is the molar number of nonmetallic components or the molar number of metallic components, and carbon content and nitrogen content are denoted by weight %) are valid, and the composing phase has a CrN type (cubic crystal) X-ray diffraction figure.

3. 发明专利

JP2001288556A REFRACTORY-METAL MATERIAL WITH OXIDATION RESISTANT LAYER, AND MANUFACTURING METHOD 失效
公开(公告)号：JP2001288556A
公开(公告)日：2001-10-19
申请号：JP2000100552
申请日：2000-04-03
申请人： ALLIED MATERIAL CORP , HAYASHI KOJI
发明人： HAYASHI KOJI , ASADA NOBUAKI , TAKITA TOMOHIRO , IGARASHI TADASHI , DOI YOSHIHIKO
IPC分类号： C23C8/28 , C23C8/64
摘要： PROBLEM TO BE SOLVED: To provide a refractory-metal material, such as molybdenum material, having oxidation resistance even at high temperature, and provide its production method. SOLUTION: In the refractory-metal material with oxidation resistant layer, an oxidation resistant layer containing nitrogen and carbon is formed on the surface of a metallic base material composed of molybdenum or molybdenum alloy. The refractory-metal material can be manufactured by applying a carbon supply source to the metallic base material and subjecting the base material to heating in a nitrogen atmosphere at 1100-1400 deg.C and to pressurizing treatment at >=1 MPa pressure.

4. 发明专利

JP2005335997A Tungsten carbide powder having nano particle size and its manufacturing method 有权
标题翻译：具有纳米颗粒尺寸的碳纳米管粉及其制造方法
公开(公告)号：JP2005335997A
公开(公告)日：2005-12-08
申请号：JP2004155623
申请日：2004-05-26
申请人： Allied Material Corp , 株式会社アライドマテリアル
发明人： YAMAMOTO RYOJI , MIZUKAMI MASAHIKO , ASADA NOBUAKI
IPC分类号： C01B32/949 , C01B31/34
摘要： PROBLEM TO BE SOLVED: To provide a tungsten powder having an average particle size of 100 nm or smaller from which hard materials such as a cemented alloy, a tungsten carbide sintered material, and a composite ceramic material having a higher hardness and a higher strength can be obtained, and its manufacturing method. SOLUTION: The method of manufacturing a nano particle size tungsten powder for obtaining a tungsten carbide powder, of which the total carbon amount is 6.13±0.30 mass%, the free carbon amount is 0.30 mass% or less, the oxygen amount is 0.7 mass% or less, the iron amount is 200 ppm or less, and the average particle size is 100 nm or smaller; is provided with a first heat treatment process in which a mixture of a micro tungsten oxide (WO 3 or WO 2.90 ) powder and a carbon powder is heated to 1,050-1,200°C in N 2 to be reduced to an intermediate product where W, W 2 C, and WC coexist, and a second heat treatment process in which the above-mentioned intermediate product or an intermediate product subjected to a pulverizing treatment and a mixing treatment is heated to 900-1,300°C in H 2 to be carbonized to the tungsten carbide powder. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供平均粒度为100nm以下的钨粉末，由硬质材料如硬质合金，碳化钨烧结材料和具有较高硬度的复合陶瓷材料制成，可以获得更高的强度及其制造方法。解决方案：制备用于获得碳碳化钨粉末的纳米粒度钨粉末的方法，其总碳量为6.13±0.30质量％，游离碳量为0.30质量％以下，氧量为 0.7质量％以下，铁量为200ppm以下，平均粒径为100nm以下。提供了第一热处理工艺，其中将微量氧化钨（WO 3 / SB>或WO 2.90 ）粉末和碳粉末的混合物加热至1050-1200℃ 在N 2 中的C被还原成W，W＆lt; SB＆gt; C和WC共存的中间产物，以及第二热处理工艺，其中上述中间产物或将经过粉碎处理和混合处理的中间产物在H SB 2中加热至900-1,300℃以碳化为碳化钨粉末。版权所有（C）2006，JPO＆NCIPI

5. 发明专利

JP2003013169A WC-Co FINE-PARTICULATE CEMENTED CARBIDE SUPERIOR IN OXIDATION RESISTANCE 审中-公开
标题翻译： WC-Co细颗粒碳化物超导体在氧化电阻中的应用
公开(公告)号：JP2003013169A
公开(公告)日：2003-01-15
申请号：JP2001233836
申请日：2001-08-01
申请人： Allied Material Corp , 株式会社アライドマテリアル
发明人： OKI HIROAKI , ASADA NOBUAKI , TAKAGI YASUHIRO , YAMAMOTO RYOJI
IPC分类号： B23B27/14 , B22F7/00 , C22C1/05 , C22C29/08
摘要： PROBLEM TO BE SOLVED: To provide an alloy having high-temperature oxidation resistance on the basis of WC-based cemented carbide with a high strength, and a manufacturing method therefor.
SOLUTION: The WC-Co fine-particulate cemented carbide includes VC and/or Cr
3 C
2 , and nitrogen and/or Ar in the bonding phase, in cemented carbide containing WC in a hard phase and Co in the bonding phase.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：提供具有高强度的基于WC的硬质合金的具有高温抗氧化性的合金及其制造方法。解决方案：WC-Co细颗粒硬质合金包括VC和/或Cr3 C2，以及粘结相中的氮和/或Ar，硬质合金中含有WC的硬质合金和粘结相中的Co。

6. 发明专利

JP2009242181A Tungsten carbide powder and method for producing the same 有权
标题翻译：碳化钨粉及其制造方法
公开(公告)号：JP2009242181A
公开(公告)日：2009-10-22
申请号：JP2008091774
申请日：2008-03-31
申请人： Allied Material Corp , 株式会社アライドマテリアル
发明人： ASADA NOBUAKI , MATSUMOTO AKIHIDE
IPC分类号： C01B32/949 , B23B27/14 , C04B35/56
摘要： PROBLEM TO BE SOLVED: To provide tungsten carbide powder having both of high hardness and high strength (deflective strength) of a sintered hard alloy and to provide a method for producing the tungsten carbide powder. SOLUTION: The tungsten carbide powder satisfies 0.35≤X/Y, Z/Y≤2.85 and 0.20≤Y≤1.20 (wherein X, Y and Z are respectively the values (μm) of D10%, D50% and D90%, which are cumulative percent sizes of a particle size distribution obtained when the particle size of the tungsten carbide powder is measured by a laser diffraction and scattering method). The tungsten carbide powder is obtained by using a mixture of metal tungsten powder or tungsten oxide powder with carbon source powder as a raw material, heating the mixture, crushing the heated mixture in a pneumatic crusher by using a crushing gas of 0.4-0.7 MPa pressure and classifying the crushed mixture by a centrifugal classifier at 4.0-6.0 m 3 /minute classification air flow rate and at 2,200-3,500 m/minute peripheral velocity of the centrifugal classifier. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供具有硬度高的硬质合金粉末，并且提供碳化钨粉末的制造方法。解决方案：碳化钨粉末满足0.35≤X/ Y，Z /Y≤2.85和0.20≤Y≤1.20（其中X，Y和Z分别为D10％，D50％和D90％的值（μm），其是当通过激光衍射和散射方法测量碳化钨粉末的粒径时获得的粒度分布的累积百分比大小）。通过使用金属钨粉末或氧化钨粉末与碳源粉末作为原料的混合物来获得碳化钨粉末，加热混合物，使用0.4-0.7MPa压力的破碎气体在气动破碎机中破碎加热的混合物并通过离心分级机以4.0-6.0m /分钟的分级空气流速和离心分级机的2,200-3,500m /分钟的圆周速度对破碎的混合物进行分级。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2001172733A CEMENTED CARBIDE SINTERED BLACK SKIN STOCK AND PRODUCING METHOD THEREFOR 失效
公开(公告)号：JP2001172733A
公开(公告)日：2001-06-26
申请号：JP35540599
申请日：1999-12-15
申请人： ALLIED MATERIAL CORP
发明人： OTANI HITOSHI , TAKAGI YASUHIRO , ASADA NOBUAKI
IPC分类号： B23C5/16 , B22F3/02 , B22F3/20 , B23B27/14 , B23B51/00 , C22C1/05 , C22C29/08
摘要： PROBLEM TO BE SOLVED: To produce a cemented carbide sintered black skin stock obtainable by applying an extrusion molding method and having high precision and high quality and to provide a method for producing the same. SOLUTION: In a cemented carbide sintered black film stock, the cross-sectional shape is the solid or hollow circular one or polygonal one of the triangular or more, in a round rod, a pipe material or a planar body, straightness is

8. 发明专利

JP2006218588A Cemented carbide round blade 审中-公开
标题翻译： CEMENTED碳化物圆形刀片
公开(公告)号：JP2006218588A
公开(公告)日：2006-08-24
申请号：JP2005035460
申请日：2005-02-14
申请人： Allied Material Corp , 株式会社アライドマテリアル
发明人： ASADA NOBUAKI , AOKI OSAMU
IPC分类号： B26D1/24
摘要： PROBLEM TO BE SOLVED: To provide a cemented carbide round blade slitter knife for cutting magnetic tapes excellent in wear resistance and corrosion resistance and processed with high precision. SOLUTION: In the cemented carbide round blade, nitrogen ion is implanted at least in a surface part of its edge to make nitrogen contained in the surface part. For the implantation of nitrogen ion, there exists no film coated with a black film or CVD, etc., at least on the surface part of the edge of the blade and the the surface should be ground or lapped. The implantation amount of nitrogen ion should be 10 20 cm 2 or more and the implantation energy of nitrogen ion should be 15KeV or more. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于切割耐磨性和耐腐蚀性优异并且以高精度加工的磁带的硬质合金圆刀分切刀。解决方案：在硬质合金圆刀片中，至少在其边缘的表面部分注入氮离子，以使表面部分中含有氮。对于氮离子的注入，至少在叶片的边缘的表面部分上不存在涂覆有黑色膜或CVD等的膜，并且该表面应该被研磨或研磨。氮离子的注入量应为10×SP> 20 SP / 2以上，氮离子的注入能量为15KeV以上。版权所有（C）2006，JPO＆NCIPI

9. 发明专利

JP2005279559A Ball for crushing and mixing and its production method 有权
标题翻译：破碎混合球及其生产方法
公开(公告)号：JP2005279559A
公开(公告)日：2005-10-13
申请号：JP2004100083
申请日：2004-03-30
申请人： Allied Material Corp , 株式会社アライドマテリアル
发明人： ASADA NOBUAKI
IPC分类号： B02C17/20 , B22F1/00 , B22F3/10 , C22C1/05 , C22C29/08
摘要： PROBLEM TO BE SOLVED: To provide a ball made of cemented carbide and used for crushing and mixing, whereby a ball made of cemented carbide for fine crushing and mixing, which has been unable to be produced, can be stably produced and its production method.
SOLUTION: The ball made of cemented carbide and used for crushing and mixing is composed of tungsten carbide as the principal component and its bonded phase comprises 5 to 12 mass% Co, wherein an average particle diameter ranges from 500 to 900 μm and Vickers hardness is 1,500 or more.
COPYRIGHT: (C)2006,JPO&NCIPI

10. 发明专利

JP2004232042A Hard metal 审中-公开
公开(公告)号：JP2004232042A
公开(公告)日：2004-08-19
申请号：JP2003023172
申请日：2003-01-31
申请人： Allied Material Corp , Koji Hayashi , 宏爾林 , 株式会社アライドマテリアル
发明人： HAYASHI KOJI , ASADA NOBUAKI , MIZUKAMI MASAHIKO , YAMAMOTO RYOJI
IPC分类号： B23C5/16 , B23B27/14 , B23B51/00 , C22C29/08
摘要： PROBLEM TO BE SOLVED: To provide a hard metal with high hardness, high strength and superior toughness, which is a cemented carbide containing a little nitrogen and contains fine tungsten carbide particles.
SOLUTION: The hard metal comprises 0.05-0.40 mass% nitrogen and the balance WC and Co.
COPYRIGHT: (C)2004,JPO&NCIPI

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