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1. 发明专利

JP2014070269A Austenitic surface-modified metal member and method of manufacturing austenitic surface-modified metal member 审中-公开
标题翻译：奥氏体表面改性金属部件及制造奥氏体表面改性金属部件的方法
公开(公告)号：JP2014070269A
公开(公告)日：2014-04-21
申请号：JP2012220113
申请日：2012-10-02
申请人： Kunitomo Nekko Kk , 国友熱工株式会社 , Nippon Karoraizu Kogyo Kk , 日本カロライズ工業株式会社
发明人： TSUBOTA TERUICHI , YAMANE YUSUKE , NAKANO SATOSHI , FURUTA KAZUHISA
IPC分类号： C23C10/40 , C23C8/22 , C23C10/24
摘要： PROBLEM TO BE SOLVED: To provide an austenitic surface-modified metal member which has superior heat resistance and wear resistance at high temperature, and a method of manufacturing the austenitic surface-modified metal member in a short time without using any special gas such as a fluorine-based gas.SOLUTION: A method of manufacturing an austenitic surface-modified metal member includes: a pressure-reduction holding stage of heating and holding austenitic metal in a pressure-reduced atmosphere; a carburizing stage of forming a chromium carbide dispersion layer in which chromium carbide particles having carbon combined with chromium included in austenitic metal are dispersed by introducing the carbon into a surface layer part of the austenitic metal; and a chromizing stage of forming a chromium carbide layer by heating and holding the austenitic metal having been carburized in an atmosphere including chromium to impregnate the metal with the chromium and then combining the impregnation chromium with the carbon in the chromium carbide dispersion layer formed in the carburizing stage, the pressure-reduction holding stage and carburizing stage being carried out within a predetermined gas pressure range and a predetermined temperature range.
摘要翻译：要解决的问题：提供在高温下具有优异的耐热性和耐磨性的奥氏体表面改性金属构件，以及在短时间内制造奥氏体表面改性金属构件的方法，而不使用任何特殊气体，例如氟系气体。制造奥氏体系表面改性金属构件的方法包括：在减压气氛中加热并保持奥氏体金属的减压保持阶段; 通过将碳引入到奥氏体金属的表层部分中，形成碳化铬分散层的渗碳阶段，其中碳化铬分散层通过将碳引入到奥氏体金属的表层部分而分散在其中，以及通过在包含铬的气氛中加热并保持已渗碳的奥氏体金属，用铬浸渍金属，然后将浸渍铬与形成在碳化铬中的碳化铬分散层中的碳结合的铬化物层的铬化阶段渗碳阶段，在预定的气体压力范围和预定的温度范围内进行减压保持阶段和渗碳阶段。

2. 发明专利

JPH07173605A METHOD AND DEVICE FOR CONTINUOUS PACK CEMENTATION 失效
公开(公告)号：JPH07173605A
公开(公告)日：1995-07-11
申请号：JP34544593
申请日：1993-12-20
申请人： NIPPON KARORAIZU KOGYO KK
发明人： YOSHIKAWA MASAYASU , BABA MASAYOSHI , UEHARA KATSUJI , MURATA HIRONOBU
IPC分类号： C23C10/34
摘要： PURPOSE:To reduce a thickness variance of cemented film layer so as to shorten a treating time by continuously heating a non tight closure container filled with a cementing agent/objective metal part while passing a heating furnace and making an in-furnace temp. uniform, etc. CONSTITUTION:A non tight enclosure container 1 filled with a cementing agent/ objective metal part is transferred into an inlet side evacuating chamber 3, replacing the container inside with an inert gas etc. Sucessively, the container 1 is transferred to an external heating tubular heating chamber 54, subjecting to pack cemementation with elevating the container 1. Subsequently, the container 1 is transferred to a tubular cooling chamber 6, subjecting to forced cooling. Further, the container 1 is transferred to the delivery side evacuating chamber at the outlet side of the cooling chamber 6 and is carried out to outside atmosphere.

3. 发明专利

JPH03122265A METHOD FOR PREVENTING OCCURRENCE OF PITTING IN CHROMIZING-TREATED MATERIAL 失效
公开(公告)号：JPH03122265A
公开(公告)日：1991-05-24
申请号：JP26151589
申请日：1989-10-06
申请人： NIPPON KARORAIZU KOGYO KK , SUMITOMO METAL IND
发明人： UEDA TOMONORI , UEHARA KATSUJI , YOSHIKAWA MASAYASU , KIYOTO HIDEO , IKEDA TOMIICHI , IMOTO TOSHIHIRO
IPC分类号： C23C22/72 , C23C10/40
摘要： PURPOSE:To prevent the occurrence of pitting with certainty by exerting chromizing treatment, removing a powdery penetrant, and then neutralizing and washing the remaining penetrant within 24hr. CONSTITUTION:After chromizing treatment is performed, e.g., by a powder packing method by using a powder penetrant, the above powder penetrant is removed. After the above removal of the powder penetrant, neutralization and washing are carried out within 24hr by using, e.g., an aqueous solution of sodium hydroxide. By this method, the occurrence of pitting in a chromizing- treated material can be prevented.

4. 发明专利

JPS59177360A Granular diffusing agent for covering metallic surface and method for covering solid metal by diffusion using said agent 失效
标题翻译：用于覆盖金属表面的颗粒扩散剂和使用所述化合物通过扩散覆盖固体金属的方法
公开(公告)号：JPS59177360A
公开(公告)日：1984-10-08
申请号：JP5322383
申请日：1983-03-28
申请人： Kashima Eng Kk , Nippon Karoraizu Kogyo Kk
发明人： WAKAO AKIO , ISHIKAWA TOSHIO , IKEDA MISAO , OOWADA HIROSHI
IPC分类号： C23C10/30 , C23C10/34 , C23C10/38 , C23C10/48 , C23C10/52 , C23C24/00
CPC分类号： C23C24/00 , C23C10/30 , C23C10/34
摘要： PURPOSE:To obtain a smooth and fine surface having a high concn. of diffused metal by covering the whole surface of powder of Al, Cr, an Fe-Al alloy or an Fe-Cr alloy having a specified grain size with a film contg. powder of one or two kinds of heat-resistant materials such as Al2O3 and Cr2O and a binder. CONSTITUTION:Flowable glaze is prepd. by properly mixing water with powder of one or two kinds of heat-resistant materials such as Al2O3 and Cr2O and a binder selected among starch, paste of algae, paste of a cellulose deriv. and gum. The glaze is coated on the surface of powder of Al, Cr, an Fe-Al alloy or an Fe-Cr alloy having 1-12-mesh grain size, and it is dried and solidified. Thus, the entire surface of the metallic powder is covered with a film contg. heat resistant powder and a binder.
摘要翻译：目的：获得具有较高浓度的光滑细腻的表面。通过覆盖具有特定晶粒尺寸的Al，Cr，Fe-Al合金或Fe-Cr合金的粉末的整个表面，具有阻挡层的扩散金属。一种或两种耐热材料如Al 2 O 3和Cr 2 O的粉末和粘合剂。规定：可流动的釉料是制备的。通过适当地将水与一种或两种耐热材料如Al 2 O 3和Cr 2 O的粉末以及从淀粉，藻类糊料，纤维素衍生物的糊料中选择的粘合剂混合。和口香糖。将釉料涂布在具有1-12目粒径的Al，Cr，Fe-Al合金或Fe-Cr合金粉末的表面上，并干燥固化。因此，金属粉末的整个表面被膜覆盖。耐热粉末和粘合剂。

5. 发明专利

JP2006336056A Wear resistant steel component and its manufacturing method 审中-公开
标题翻译：耐磨钢组件及其制造方法
公开(公告)号：JP2006336056A
公开(公告)日：2006-12-14
申请号：JP2005160111
申请日：2005-05-31
申请人： Honda Motor Co Ltd , Nippon Karoraizu Kogyo Kk , 日本カロライズ工業株式会社 , 本田技研工業株式会社
发明人： NAKANO SATOSHI , YOSHIKAWA RIHEI , KAWAMURA MEITEN , FUJIWARA AKIRA
IPC分类号： C23C10/58 , C21D9/00 , C22C38/00 , F16G13/02 , F16G13/06
摘要： PROBLEM TO BE SOLVED: To improve wear resistance of a pin for a chain under a high surface pressure.
SOLUTION: Double vanadium carbide layers comprising a layer containing VxC (wherein, x is 1-2) as a main component and a layer containing VyC (wherein, x>y; and y≤1) are formed from an outside on the outermost surface part of carbon steel or alloy steel being base material, e.g., steel to be used as a base material of the pin for a chain. In this case, exfoliation from the surface layer of the carbide layers can be prevented since the carbide layers formed in the outermost surface part of the base material contains double vanadium carbides of VxC (wherein, x is 1-2) and VyC (wherein, y
摘要翻译：要解决的问题：提高高表面压力下的链条的销的耐磨性。解决方案：包含VxC（其中，x为1-2）作为主要成分的层和含有VyC（其中，x> y和y≤1）的层的双重碳化钒层由外部形成作为基材的碳钢或合金钢的最外表面部分，例如用作链的销的基材的钢。在这种情况下，由于形成在基材的最外表面部分的碳化物层含有VxC（其中，x为1-2）和VyC（其中，x为1-2）的双钒碳化物，因此可以防止碳化物层表面层的剥离， y

6. 发明专利

JP2000008153A ROTOR SUPPORTING STRUCTURE OF TURBO-CHARGER 失效
公开(公告)号：JP2000008153A
公开(公告)日：2000-01-11
申请号：JP17342498
申请日：1998-06-19
申请人： NTN TOYO BEARING CO LTD , NIPPON KARORAIZU KOGYO KK
发明人： MAEDA KIKUO , KOREMOTO TAKAHIRO , YOSHIKAWA MASAYASU , NISHI SHINTARO , YOSHIKAWA RIHEI
IPC分类号： F16C19/36 , C23C8/70 , C23C10/34 , F16C33/32 , F16C33/62 , F16C33/64
摘要： PROBLEM TO BE SOLVED: To provide a rotor supporting structure of a turbo charger having high hardness and capable of preventing the generation of abnormal noise caused by surface roughness and uneven wear. SOLUTION: At least either of the bearing rings 2 and 3 and rolling element 1 of a rolling bearing 10 forming the rotor supporting structure of a turbo- charger is composed of steel whose surface layer has a compound layer 1a of at least any of Fe-B, VC and TiC and having high hardness of >=1400 Hv in the surface layer and >=700 Hv at the inside.

7. 发明专利

JP2922346B2 失效
公开(公告)号：JP2922346B2
公开(公告)日：1999-07-19
申请号：JP27016591
申请日：1991-09-21
申请人： NIPPON KARORAIZU KOGYO KK , TOYOTA JIDOSHA KK
发明人： SHAMOTO HIROYUKI , MORIKAWA TAKASHI , YOSHIKAWA RIHEI , SUEYASU MASANOBU
IPC分类号： C22C14/00 , C23C10/28 , C23C10/56

8. 发明专利

JPH09119313A EXHAUST MANIFOLD INTEGRAL TYPE METAL CARRIER AND MANUFACTURE THEREFOR 失效
公开(公告)号：JPH09119313A
公开(公告)日：1997-05-06
申请号：JP27810195
申请日：1995-10-25
申请人： NIPPON STEEL CORP , NIPPON KARORAIZU KOGYO KK
发明人： FUKAYA MASUHIRO , OTA HITOSHI , UCHIUMI TORU , YAMANAKA MIKIO , YOSHIKAWA RIHEI , ISHIKURA KATSUHIKO
IPC分类号： F01N3/20 , B01D53/86 , B01J35/04 , B21D47/00 , F01N3/24
摘要： PROBLEM TO BE SOLVED: To provide an exhaust manifold integral type metal carrier and manufacture therefor which is of integral type from an exhaust manifold to a catalyst device without using flanges, thus preventing generation of exhaust gas leakage and cracking of welds due to thermal fatigue as well as providing weight reduction due to no use of flanges. SOLUTION: This integral type metal carrier is provided with an exhaust manifolds, 1, 2 consisting of carbon steel thin plate, tubing or casting whose surface has enriched layer of either of Cr or Al or both of them, flanges 3, 4 of carbon steel intermediate plate whose surface has enriched layer of either of Cr or Al or both of them, and a honeycomb 5 of carbon steel foil formed by enriching Cr or Al or both of them.

9. 发明专利

JPH04308072A ALUMINUM DIFFUSION COATING AGENT AND TREATMENT USING THE SAME 失效
公开(公告)号：JPH04308072A
公开(公告)日：1992-10-30
申请号：JP9950091
申请日：1991-04-03
申请人： NIPPON KARORAIZU KOGYO KK
发明人： YOSHIKAWA RIHEI , YOSHIKAWA MASAYASU , MURATA HIRONOBU , NAKAO HIDETAKA
IPC分类号： C23C10/48 , C23C24/08
摘要： PURPOSE:To form a fine aluminide layer at a low cost by diffusion coating with Al powder. CONSTITUTION:An Al diffusion coating agent is composed of 5-15wt.% Al powder, Cr powder in 1-2 weight ratio to the Al powder, 0.1-5wt.% ammonium chloride and the balance sintering inhibitor. A body to be treated is embedded in above coating agent and heated in a non-oxidizing atmosphere.

10. 发明专利

JPS5616682A DOUBLE SURFACE TREATED MATERIAL HAVING HIGH CORROSION RESISTANCE AND ITS PREPARATION 失效
公开(公告)号：JPS5616682A
公开(公告)日：1981-02-17
申请号：JP9168779
申请日：1979-07-20
申请人： KOSHUHA NETSUREN KK , NIPPON KARORAIZU KOGYO KK , NGK FRIT KK
发明人： HIJIKATA TOSHIO , OOMAE HIROSHI , OOSHIMA MASAKICHI
IPC分类号： C23C10/60 , C23C28/00 , C23D3/00 , C23D5/00 , C23D9/00 , C23F17/00
摘要： PURPOSE:To obtain the double surface treated material having a superior durability and corrosion resistance, by applying the glass lining on the surface of material metal by a fixed method after forming the osmoitc alloy layer and coating having resistance against a high temperature oxidative property on the surface of the material metal. CONSTITUTION:Osmotic treatment is given on the surface of material metal (for example, the pipe to be treated 1) by using Cr, Al, Si etc. and the osmotic alloy layer and coating 2 having resistance against a high temperature oxidative property, are formed on the material metal. Next, the frit coating layer 3 is formed on the inner and outer surface of the pipe 1 formed the osmotic alloy layer and coating 2 and is dried. Then, the pipe 4 formed the layer 3, is placed in the high frequency induction heating coil 5 having set up inner diameter so as to maintain a fixed space with the outer diameter of the pipe 4 and the material metal tube is heated by turning an electric current on the pipe 4 and the layer 3 is heated and temperature is raised from the contacting face with the tube 1 toward the direction of surface layer face and then, the glass lining layer is formed by baking.

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