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41. 发明专利

JP2005171334A Non-heattreated steel component manufacturing method, and non-heattreated steel component using the same 有权
标题翻译：非加热钢部件制造方法和使用其的非加热钢部件
公开(公告)号：JP2005171334A
公开(公告)日：2005-06-30
申请号：JP2003414154
申请日：2003-12-12
申请人： Daido Steel Co Ltd , Nissan Motor Co Ltd , 大同特殊鋼株式会社 , 日産自動車株式会社
发明人： ITO JUICHI , YOSHIDA HIROAKI , ISOGAWA YUKIHIRO , OGAWA JUNPEI , MIYAZAWA TOMONORI , OKADA YOSHIO , IKEUCHI ATSUSHI
IPC分类号： B21J5/00 , B21J13/02 , C21D8/00 , C22C38/00 , C22C38/38 , C22C38/60
摘要： PROBLEM TO BE SOLVED: To provide a non-heattreated steel component and a method for manufacturing the same in which a high working ratio can be employed, the manufacturing efficiency is high, and the high proof stress can be ensured.
SOLUTION: Steel containing, by mass, ≥95% Fe, ≥0.18 and ≤0.45% C, ≥0.10% and ≤2.00% Si, ≥0.40% and ≤1.80% Mn, ≥0.05% and ≤0.50% Cr, ≥0.003% and ≤0.040% Al, and ≥0.005% and ≤0.020% N is heated to the temperature of ≥1,000°C and ≤1,300°C for austenizing. Thereafter, in order to satisfy the condition of 1-exp(-ε×(750÷Tp)
-10 )>0.8 with Tp as the preliminary working temperature and ε as the mean strain during the preliminary working, Tp and ε are set, and the preliminary working is performed. By forging a preliminarily worked body obtained by the preliminary working at the temperature of ≥680°C and ≤850°C, the normal working is performed to obtain the component shape, and the working ratio of the normal working is set to be ≥30% in the compression ratio.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种非加热处理的钢部件及其制造方法，其中可以使用高加工率，制造效率高，并且可以确保高的抗张力。
解决方案：含有≥95％Fe，≥0.18和≤0.45％C，≥0.10％和≤2.00％Si，≥0.40％和≤1.80％Mn，≥0.05％和≤0.50％Cr的钢，≥0.003％和≤0.040％的Al，≥0.005％和≤0.020％的N被加热到≥1000℃的温度和≤1,300℃的奥氏体化。此后，为了满足作为初步工作温度的Tp为1-exp（-ε×（750÷Tp） -10 ）> 0.8的条件，ε为初步加工期间的平均应变，设定Tp，ε，进行预备工作。通过锻造通过在≥680℃和≤850℃的温度下预备加工获得的预加工体，进行正常加工以获得部件形状，并且正常加工的加工比设定为≥30 ％的压缩比。版权所有（C）2005，JPO＆NCIPI

42. 发明专利

JP2004108466A Copper-based bearing material 有权
标题翻译：铜基轴承材料
公开(公告)号：JP2004108466A
公开(公告)日：2004-04-08
申请号：JP2002270992
申请日：2002-09-18
申请人： Daido Metal Co Ltd , Daido Steel Co Ltd , 大同メタル工業株式会社 , 大同特殊鋼株式会社
发明人： SAITO KOJI , INOUE EISAKU , YOSHIDA HIROAKI , SUZUKI YOSHITAKE
IPC分类号： F16C33/12 , C22C38/00 , C22C38/18
摘要： PROBLEM TO BE SOLVED: To provide a copper-based bearing material with a titanium or titanium alloy back plate by a continuous sintering method and a continuous roll pressure-welding method suitable for mass production and manufacturable at a low cost.
SOLUTION: The back plate 3 is formed of Ti or Ti alloy, and an intermediate layer 4 formed of Fe or Fe-Cr alloy is provided between a copper-based bearing layer 2 and the back plate 3. The direct contact of Ti or Ti alloy with metal liable to form an intermetallic compound or with gas is thereby prevented to suppress the formation of the intermetallic compound or a compound with gas. Furthermore, since Fe and Cr used for the intermediate layer 4 are not liable to form an intermetallic compound with Ti at a heat treatment temperature after sintering and pressure welding of a Cu alloy, the copper-based bearing material 1 using Ti or Ti alloy for the back plate 3 can be manufactured without lowering the strength of the copper-based bearing material 1 by the continuous sintering method or the continuous roll pressure-welding method manufacturable at a low cost while allowing sintering and heat treatment.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：通过连续烧结法和连续辊压焊接方法提供具有钛或钛合金背板的铜基轴承材料，适用于大规模生产并以低成本制造。解决方案：背板3由Ti或Ti合金形成，并且在铜基轴承层2和背板3之间设置由Fe或Fe-Cr合金形成的中间层4。直接接触因此，可以防止易于形成金属间化合物或气体的金属的Ti或Ti合金抑制金属间化合物或气体化合物的形成。此外，由于用于中间层4的Fe和Cr在Cu合金的烧结和压接之后在热处理温度下不易与Ti形成金属间化合物，所以使用Ti或Ti合金的铜基轴承材料1 可以通过连续烧结法或连续辊压焊方法在不降低铜基轴承材料1的强度的情况下以低成本制造背板3，同时允许烧结和热处理。版权所有（C）2004，JPO

43. 发明专利

DE602006000842T2 未知
公开(公告)号：DE602006000842T2
公开(公告)日：2009-05-20
申请号：DE602006000842
申请日：2006-04-19
申请人： DAIDO STEEL CO LTD
发明人： YOSHIDA HIROAKI , ITOH SHIGEKAZU
IPC分类号： B21J13/02 , B22C9/06
摘要： Disclosed is a method of predicting damage of dies for plastic processing of metallic materials, typically, forging dies, by predicting brittle fracture ("great crack" or "initial crack") dominating die lives contribute to die design including choice of materials, hardness and configuration of the die. The method is characterized in that the die design is carried out by choosing the condition that none of the anticipated values of brittle fracture, F c1 to F c3 , calculated by the formulae 1 to 3 below exceed the critical values depending on the material used. [ formula €‰ 1 ] €‰ F c 1 = ( Ã m / Ã e q ) [ formula €‰ 2 ] €‰ F c 2 = ( Ã m / Ã 1 max ) [ formula €‰ 3 ] €‰ F c 3 = ( Ã 1 max / Ã e q ) Ã m : mean normal stress loaded to the tensile side of the die Ã eq : Von Misese's equivalent stress Ã 1max : maximum principal stress

44. 发明专利

DE602006000842D1 未知
公开(公告)号：DE602006000842D1
公开(公告)日：2008-05-15
申请号：DE602006000842
申请日：2006-04-19
申请人： DAIDO STEEL CO LTD
发明人： YOSHIDA HIROAKI , ITOH SHIGEKAZU
IPC分类号： B21J13/02 , B22C9/06
摘要： Disclosed is a method of predicting damage of dies for plastic processing of metallic materials, typically, forging dies, by predicting brittle fracture ("great crack" or "initial crack") dominating die lives contribute to die design including choice of materials, hardness and configuration of the die. The method is characterized in that the die design is carried out by choosing the condition that none of the anticipated values of brittle fracture, F c1 to F c3 , calculated by the formulae 1 to 3 below exceed the critical values depending on the material used. [ formula €‰ 1 ] €‰ F c 1 = ( Ã m / Ã e q ) [ formula €‰ 2 ] €‰ F c 2 = ( Ã m / Ã 1 max ) [ formula €‰ 3 ] €‰ F c 3 = ( Ã 1 max / Ã e q ) Ã m : mean normal stress loaded to the tensile side of the die Ã eq : Von Misese's equivalent stress Ã 1max : maximum principal stress

45. 发明专利

CA2373344C CORROSION-RESISTANT METALLIC MEMBER, METALLIC SEPARATOR FOR FUEL CELL COMPRISING THE SAME, AND PROCESS FOR PRODUCTION THEREOF 未知
公开(公告)号：CA2373344C
公开(公告)日：2012-03-20
申请号：CA2373344
申请日：2002-02-26
申请人： DAIDO STEEL CO LTD
发明人： KANETA YASUSHI , TAKAGI SHINOBU , YOSHIDA HIROAKI , SUZUKI YOSHIHISA , SHINKAWA MASAKI
IPC分类号： C23F11/00 , B32B15/01 , C23C4/04 , C23C4/12 , C23C16/44 , H01M2/16 , H01M8/02
摘要： A highly corrosion-resistant material and a corrosion-resistant member which are improved in corrosion resistance, adhesion, contact electrical resistance, electrical conductivity, airtightness, etc. and are suitable for use as, e.g., a metallic separator for polymer electrolyte fuel cells (PEFC); and a process for producing them. A thin noble-metal layer is formed on the desired part of the surface of a metallic base and then subjected to compression working. The coated base may further be subjected to anticorrosive treatment with a liquid phase containing a peroxide or ozone or with an active gas atmosphere.

46. 发明专利

SG140584A1 PROCESS OF PRODUCING PERMANENT MAGNET AND PERMANENT MAGNET 未知
公开(公告)号：SG140584A1
公开(公告)日：2008-03-28
申请号：SG2007064207
申请日：2007-09-04
申请人： DAIDO STEEL CO LTD
发明人： ESAKI JUNICHI , YOSHIDA HIROAKI , ISOGAWA SACHIHIRO
摘要： PROCESS OF PRODUCING PERMANENT MAGNET AND PERMANENT MAGNET The present invention relates to a process of producing a permanent magnet, which includes extruding a preform to form a plate-shaped permanent magnet, in which the preform is extruded in such a way that a dimension of a cross section of the perform is reduced in an X-direction and enlarged in a Y-direction perpendicular to the X- direction. The present invention also relates to a plate-shaped permanent magnet formed by extruding a preform, in which the preform is extruded in such a way that a dimension of a cross section of the preform is reduced in an X-direction and enlarged in a Y-direction perpendicular to the X- direction, whereby the permanent magnet has a strain ratio with respect to the preform in a range of 0.2 to 3.5, in which El is a strain in the direction of the extrusion of the preform and is a strain in the Y-direction.

47. 发明专利

BRPI0603958A 未知
公开(公告)号：BRPI0603958A
公开(公告)日：2007-08-21
申请号：BRPI0603958
申请日：2006-09-26
申请人： DAIDO STEEL CO LTD , HONDA MOTOR CO LTD
发明人： FUJIWARA MASANAO , YOSHIDA HIROAKI , SHINKAWA MASAKI , UMENO YOSHIKAZU , OTSUKA TOSHIAKI
IPC分类号： C22C38/44 , C21D8/00
摘要： Disclosed are a weldable steel of high strength and high toughness and a method of producing members of machine parts. The steel consists essentially of, by weight %, C: 0.10-0.16%, Si: 0.05-0.50%, Mn: 1.3-2.3%, Cu: up to 0.5%, Ni: up to 0.5%, Cr: up to 0.5%, Mo: up to 0.3% and Ti: 0.025-0.035%, and the balance of Fe and inevitable impurities, and satisfying the condition that the weld-cracking susceptibility, Pcm, defined by the formula 1A below is less than 0.35, and the condition that the manganese equivalent, Mneq, defined by the formula 2A below is larger than 2.0. 1A: Pcm=C(%)+Si(%)/30+Mn(%)/20+Ni(%)/60+Cr(%)/20+Mo(%)/15 +Cu(%)/20 2A: Mneq=Mn(%)+Cu(%)+Ni(%)/2+Cr(%)+Mo(%)

48. 发明专利

DE19882178B4 未知
公开(公告)号：DE19882178B4
公开(公告)日：2004-08-05
申请号：DE19882178
申请日：1998-11-11
申请人： DAIDO STEEL CO LTD , MATSUSHITA ELECTRIC WORKS LTD
发明人： YOSHIDA HIROAKI , YAMADA HIROSHI , IWANE FUMIO , IMAI JUNJI , HAMADA TADASHI , FUJIMOTO SHINJI , YAMADA SHUJI , SAKON SHIGETOSHI
IPC分类号： C23C26/00 , C23C28/02 , C23C10/28
摘要： An intermetallic-compound coated stainless steel having excellent rigidity, toughness, wear resistance and corrosion resistance comprises a substrate of a martensite stainless steel having a Vickers hardness of 400 or more, and a hard film having a bottom surface adhered to the substrate and an exposed top surface. The hard film has an outermost layer made of a compound selected from the group consisting of a Ti-Ni intermetallic compound, Ti-Fe intermetallic compound, and a mixture of the Ti-Ni intermetallic compound and a Ti-Cu intermetallic compound. The coated stainless steel can be produced by cladding an outer sheet made of Ti or a Ti alloy to a martensite stainless steel sheet directly or through an intermediate sheet made of Ni, Fe or a Ni-Cu alloy, heating the laminate at a temperature of 900° C. to 1150° C. for 30 seconds to 5 minutes, and then cooling the heated laminate at a cooling rate of 1° C./sec or more.

49. 发明专利

CA2373344A1 CORROSION-RESISTANT METALLIC MEMBER, METALLIC SEPARATOR FOR FUEL CELL COMPRISING THE SAME, AND PROCESS FOR PRODUCTION THEREOF 未知
公开(公告)号：CA2373344A1
公开(公告)日：2002-08-28
申请号：CA2373344
申请日：2002-02-26
申请人： DAIDO STEEL CO LTD
发明人： KANETA YASUSHI , SUZUKI YOSHIHISA , TAKAGI SHINOBU , YOSHIDA HIROAKI , SHINKAWA MASAKI
IPC分类号： B32B15/01 , H01M8/02 , C23F11/00 , C23C4/04 , C23C4/12 , H01M2/16 , C23C16/44
摘要： A highly corrosion-resistant material and a corrosion-resistant member which are improved in corrosion resistance, adhesion, contact electrical resistance, electrical conductivity, airtightness, etc. and are suitable for use as, e.g., a metallic separator for polymer electrolyte fuel cells (PEFC); and a process for producing them. A thin noble-metal layer is formed on the desired part of the surface of a metallic base and then subjected to compression working. The coated base may further be subjected to anticorrosive treatment with a liquid phase containing a peroxide or ozone or with an active gas atmosphere.

50. 发明专利

DE19882178T1 未知
公开(公告)号：DE19882178T1
公开(公告)日：2000-02-10
申请号：DE19882178
申请日：1998-11-11
申请人： DAIDO STEEL CO LTD , MATSUSHITA ELECTRIC WORKS LTD
发明人： YOSHIDA HIROAKI , YAMADA HIROSHI , IWANE FUMIO , IMAI JUNJI , HAMADA TADASHI , FUJIMOTO SHINJI , YAMADA SHUJI , SAKON SHIGETOSHI
IPC分类号： C23C26/00 , C23C28/02 , C23C10/28
摘要： An intermetallic-compound coated stainless steel having excellent rigidity, toughness, wear resistance and corrosion resistance comprises a substrate of a martensite stainless steel having a Vickers hardness of 400 or more, and a hard film having a bottom surface adhered to the substrate and an exposed top surface. The hard film has an outermost layer made of a compound selected from the group consisting of a Ti-Ni intermetallic compound, Ti-Fe intermetallic compound, and a mixture of the Ti-Ni intermetallic compound and a Ti-Cu intermetallic compound. The coated stainless steel can be produced by cladding an outer sheet made of Ti or a Ti alloy to a martensite stainless steel sheet directly or through an intermediate sheet made of Ni, Fe or a Ni-Cu alloy, heating the laminate at a temperature of 900° C. to 1150° C. for 30 seconds to 5 minutes, and then cooling the heated laminate at a cooling rate of 1° C./sec or more.

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