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1. 发明专利

JP2010090459A Aluminum alloy die casting and method for producing the same 审中-公开
标题翻译：铝合金铸造及其制造方法
公开(公告)号：JP2010090459A
公开(公告)日：2010-04-22
申请号：JP2008263534
申请日：2008-10-10
申请人： Nissan Motor Co Ltd , 日産自動車株式会社
发明人： TAKAHASHI ATSUSHI , YOSHIDA AKIRA , TSUBOKAWA MASAYOSHI , TAKAGI KIYOSHI
IPC分类号： C22C21/02 , C22F1/00 , C22F1/043
摘要： PROBLEM TO BE SOLVED: To provide an aluminum alloy die casting having satisfactory ductility and bulging formability to local deformation and having excellent resistance to the generation and propagation of cracks, and to provide a method for producing the aluminum alloy die casting.
SOLUTION: An aluminum alloy for a die casting comprising, by mass, 7.0 to 12.0% Si and 0.05 to 0.60% Mg is cast by a die casting process, is subjected to solution treatment at low temperature for a short time, and is thereafter subjected to forced air cooling, for obtaining an aluminum alloy die casting wherein the average radius of eutectic Si is 0.5 to 1.5 μm, the area ratio thereof is 7.5 to 14.0% and surface hardness is 60 to 80 Hv.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有令人满意的延展性和凸形成形性的局部变形并且具有优异的抗裂纹产生和传播的铝合金压铸件，并提供一种制造铝合金压铸件的方法。解决方案：通过压铸法铸造由质量为7.0〜12.0％的Si和0.05〜0.60％的Mg的铸造用铝合金，在低温下短时间进行固溶处理，然后进行强制空气冷却，得到共晶硅的平均半径为0.5〜1.5μm，面积比为7.5〜14.0％，表面硬度为60〜80Hv的铝合金压铸件。版权所有（C）2010，JPO＆INPIT

2. 发明专利

JP2006218491A Material and method for welding aluminum alloy 有权
标题翻译：焊接铝合金的材料与方法
公开(公告)号：JP2006218491A
公开(公告)日：2006-08-24
申请号：JP2005032677
申请日：2005-02-09
申请人： Nikkei Sangyo Kk , Nissan Motor Co Ltd , 日産自動車株式会社 , 日軽産業株式会社
发明人： YOSHIDA AKIRA , TAKAHASHI ATSUSHI , INUI SADAHIRO
IPC分类号： B23K35/28 , B23K9/23 , B23K103/10 , C22C21/02
摘要： PROBLEM TO BE SOLVED: To provide a material for welding aluminum or aluminum alloys, which material can be applied to, for example, the MIG welding, and can obtain an aluminum alloy welded joint having a welded portion of high joint strength and high toughness, and further to provide a method for welding aluminum or aluminum alloys using the welding material described above.
SOLUTION: The material for welding aluminum alloys contains 10 to 400 ppm of Sr, preferably, 150 to 250 ppm of Sr, in Al-Si welding materials containing 4.5 to 13.0% by mass of Si.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于焊接铝或铝合金的材料，该材料可以应用于例如MIG焊接，并且可以获得具有高接合强度的焊接部分的铝合金焊接接头，以及高韧性，并且还提供使用上述焊接材料焊接铝或铝合金的方法。解决方案：用于焊接铝合金的材料在含有4.5〜13.0质量％Si的Al-Si焊接材料中含有10〜400ppm的Sr，优选为150〜250ppm的Sr。版权所有（C）2006，JPO＆NCIPI

3. 发明专利

JP2012077367A Coil spring and method of manufacturing the same 有权
标题翻译：线圈弹簧及其制造方法
公开(公告)号：JP2012077367A
公开(公告)日：2012-04-19
申请号：JP2010226154
申请日：2010-10-06
申请人： Kobe Steel Ltd , Nhk Spring Co Ltd , Nissan Motor Co Ltd , Shinko Wire Co Ltd , 日本発條株式会社 , 日産自動車株式会社 , 株式会社神戸製鋼所 , 神鋼鋼線工業株式会社
发明人： YOSHIDA AKIRA , MIYAZAWA TOMONORI , OKADA YOSHIO , YAMAMOTO FUMIO , TENDO SATORU , TAKAMURA NORITOSHI , TSURUGAI KENGO , SUDA SUMIE , MASUMOTO KEI , FUJIWARA TADAYOSHI , JINBO TETSUO
IPC分类号： C22C38/00 , C21D1/06 , C21D9/02 , C22C38/38 , C22C38/58 , C23C8/22 , F16F1/02
摘要： PROBLEM TO BE SOLVED: To provide a high strength coil spring excellent in fatigue strength and settling resistance and suitable for, for example, a valve spring for an automobile engine and a spring for a transmission, and a method of manufacturing such the coil spring.SOLUTION: A steel composed of, by mass%, >0.5 to 0.9% C, 0.8-3.5% Si, 0.3-3.0% Mn, and 0.5-3.5% Cr, and when necessary, further, 0.05-1.5% Ni, and at least one kind of elements selected from group composed of 0.05-1.5% Mo, 0.05-0.5% V and 0.01-0.5% Nb, and the balance Fe with inevitable impurities, is used for the coil spring, and by a carburizing-treatment, a carburized and hardened layer having depth of 0.05-1.00 mm is formed, and hardness at the position of 0.02 mm from the surface is controlled to 650-1,000 Hv.
摘要翻译：要解决的问题：提供一种耐疲劳强度和耐沉降性优异的高强度螺旋弹簧，适用于例如汽车发动机的气门弹簧和变速器用弹簧，以及制造这样的方法螺旋弹簧解决方案：以质量％计含有> 0.5〜0.9％的C，0.8〜3.5％的Si，0.3〜3.0％的Mn和0.5〜3.5％的Cr，根据需要，进一步含有0.05〜1.5％镍，以及选自由0.05-1.5％Mo，0.05-0.5％V和0.01-0.5％Nb组成的组中的至少一种元素，余量为不可避免的杂质的Fe用于螺旋弹簧，并且由渗碳处理，形成深度为0.05〜1.00mm的渗碳硬化层，从表面0.02mm的位置的硬度控制在650〜1000Hv。版权所有（C）2012，JPO＆INPIT

4. 发明专利

JP2008101234A Ti-BASED HIGH-STRENGTH SUPERELASTIC ALLOY 审中-公开
标题翻译：钛基高强度超弹性合金
公开(公告)号：JP2008101234A
公开(公告)日：2008-05-01
申请号：JP2006282915
申请日：2006-10-17
申请人： Nippon Sozai Kk , Nissan Motor Co Ltd , Tohoku Univ , 国立大学法人東北大学 , 日本素材株式会社 , 日産自動車株式会社
发明人： WANG XINMIN , KIMURA HISAMICHI , INOUE AKIHISA , YUBUTA KUNIO , YOSHIDA AKIRA , SANBE TAKAHIRO , ITAKURA KOJI , YAMADA YUICHI , OKADA YOSHIO
IPC分类号： C22C14/00 , C22F1/00 , C22F1/18
摘要： PROBLEM TO BE SOLVED: To provide a Ti-based high-strength superelastic alloy having high strength, low Young's modulus and high cold workability.
SOLUTION: This Ti-based high-strength superelastic alloy is a single-phase solid solution having a composition consisting of, by weight, 12 to 30% Nb, 12 to 30% Zr, 1 to 6% Al, 1 to 8% Cr, 1 to 8% Sn and the balance Ti. Since the Ti-based high-strength superelastic alloy is a single-phase solid solution of beta phase at ordinary temperature, it has high cold workability and also has an extended elastic deformation region and exhibits high ductility. Moreover, an alloy most suitably used as a spring material can be obtained by applying prescribed cold working to the above alloy.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供具有高强度，低杨氏模量和高冷加工性的Ti基高强度超弹性合金。解决方案：该Ti基高强度超弹性合金是单相固溶体，其组成由以重量计12％〜30％的Nb，12〜30％的Zr，1〜6％的Al，1〜 8％Cr，1〜8％Sn，余量为Ti。由于Ti基高强度超弹性合金是常温下β相的单相固溶体，因此具有高的冷加工性，并且还具有扩展的弹性变形区域并且展现出高的延展性。此外，可以通过对上述合金进行规定的冷加工来获得最适合用作弹簧材料的合金。版权所有（C）2008，JPO＆INPIT

5. 发明专利

JP2008075169A Magnesium alloy extruded member and its manufacturing method 审中-公开
标题翻译：镁合金挤压成员及其制造方法
公开(公告)号：JP2008075169A
公开(公告)日：2008-04-03
申请号：JP2006258800
申请日：2006-09-25
申请人： Nagaoka Univ Of Technology , Nissan Motor Co Ltd , Sankyo Tateyama Aluminium Inc , Toyama Univ , 三協立山アルミ株式会社 , 国立大学法人富山大学 , 国立大学法人長岡技術科学大学 , 日産自動車株式会社
发明人： YOSHIDA AKIRA , ITAKURA KOJI , SANBE TAKAHIRO , MURAI TSUTOMU , TAKAHASHI YASUSHI , KAMATSUCHI SHIGEHARU , ITO SHOTA , TAKATSUJI NORIO
IPC分类号： C22C23/02 , B21C23/00 , C22F1/00 , C22F1/06
摘要： PROBLEM TO BE SOLVED: To provide a magnesium alloy extruded member superior in compression characteristics and its manufacturing method.
SOLUTION: The magnesium alloy extruded member is formed by extruding a magnesium alloy. In the magnesium alloy extruded member, the (0001) planes are oriented at random, the average value of Schmid factors showing the inclination of crystal orientation of crystal grains is 0.2 or more and the existence ratio of crystal grains of which the values of the Schmid factors are 0-0.2 is 55% or smaller; the ratio of compression strength/tensile strength is 0.7-1.2. The magnesium alloy is a Mg-Al-Zn-based alloy having a composition comprising 3-10 mass% of Al, 0.1-1.5 mass% of Zn, 1 mass% of total impurities, and the balance being Mg. In the manufacturing method of the magnesium alloy extruded member, the magnesium alloy is extruded at a temperature of 150-400°C and the crystal orientation of crystal grains is controlled.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：解决的问题：提供压缩特性优异的镁合金挤压构件及其制造方法。解决方案：通过挤压镁合金形成镁合金挤压构件。在镁合金挤压部件中，（0001）面是随机取向的，显示晶粒的晶体取向倾斜度的Schmid因子的平均值为0.2以上，并且其中的晶粒的存在比例为Schmid 因子为0-0.2为55％以下; 抗压强度/拉伸强度的比为0.7-1.2。镁合金是具有3〜10质量％的Al，0.1〜1.5质量％的Zn，1质量％的总杂质，Mg的组成的Mg-Al-Zn系合金。在镁合金挤压部件的制造方法中，镁合金在150〜400℃的温度下挤出，晶粒的晶体取向受到控制。版权所有（C）2008，JPO＆INPIT

6. 发明专利

JP2007245200A Friction stir welding method, and welded member 审中-公开
标题翻译：摩擦焊接方法和焊接构件
公开(公告)号：JP2007245200A
公开(公告)日：2007-09-27
申请号：JP2006072755
申请日：2006-03-16
申请人： Nissan Motor Co Ltd , 日産自動車株式会社
发明人： YOSHIDA AKIRA , TAKAHASHI ATSUSHI
IPC分类号： B23K20/12 , B23K103/10
摘要： PROBLEM TO BE SOLVED: To provide a friction stir welding method which can suppress the deterioration of the strength of the welded portion formed by the friction stir welding, and further to provide a welded member.
SOLUTION: In the friction stir welding method, a reinforcing material 4 is arranged at the abutted portion 2 of objects to be welded, and a welding tool 3 is inserted into the abutted portion of the materials to be welded, and is moved along the abutted portion while being turned. The reinforcing material is made of boron-, silicon carbide-, carbon- or alumina-based fiber or whisker. The whisker of the reinforcing material has a diameter of 0.02 to 1.5 μm, and a length of 3 to 200 μm. The fiber of the reinforcing material has a diameter of 1 to 250 μm. The welded member can be achieved by the friction stir welding method described above. The reinforcing material is uniformly distributed over the welded portion of the objects to be welded at a rate of 10 to 30 vol.%.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种可以抑制由摩擦搅拌焊接形成的焊接部分的强度劣化的摩擦搅拌焊接方法，并且还提供一种焊接部件。解决方案：在摩擦搅拌焊接方法中，在待焊接物体的抵接部分2处设置增强材料4，并且将焊接工具3插入待焊接材料的邻接部分中并且被移动沿着抵接部分转动。增强材料由硼，碳化硅，碳 - 或氧化铝基纤维或晶须制成。增强材料的晶须的直径为0.02〜1.5μm，长度为3〜200μm。增强材料的纤维的直径为1〜250μm。可以通过上述的摩擦搅拌焊接方法来实现焊接部件。增强材料以10〜30体积％的比例均匀分布在待焊接物体的焊接部分上。版权所有（C）2007，JPO＆INPIT

7. 发明专利

JP2007277660A Magnesium alloy and die cast product 审中-公开
标题翻译：镁合金和DIE铸造产品
公开(公告)号：JP2007277660A
公开(公告)日：2007-10-25
申请号：JP2006107071
申请日：2006-04-10
申请人： Nagaoka Univ Of Technology , Nissan Motor Co Ltd , 国立大学法人長岡技術科学大学 , 日産自動車株式会社
发明人： YOSHIDA AKIRA , ITAKURA KOJI , SANBE TAKAHIRO , KAMATSUCHI SHIGEHARU , ISHIZUKI HISATSUGU
IPC分类号： C22C23/02
摘要： PROBLEM TO BE SOLVED: To provide a magnesium alloy for casting having excellent casting properties and high strength, to provide a method for producing a die cast product using such the alloy, and to provide a magnesium die cast product.
SOLUTION: The magnesium alloy has a componential composition comprising, by mass, 4.0 to 13.0% Al, 0.1 to 15.0% Sn, 0.1 to 3.0% Zn and 0.05 to 0.60% Mn, and, if required, further comprising at least either 0.05 to 0.50% Zr or 0.01 to 0.50% Cu.
COPYRIGHT: (C)2008,JPO&INPIT

8. 发明专利

JP2005321018A Rivet and joining method using rivet 审中-公开
标题翻译：使用RIVET的RIVET和JOINING方法
公开(公告)号：JP2005321018A
公开(公告)日：2005-11-17
申请号：JP2004139327
申请日：2004-05-10
申请人： Nissan Motor Co Ltd , 日産自動車株式会社
发明人： YOSHIDA AKIRA , USUKI HIDEKI
IPC分类号： F16B19/08 , B21J15/00
摘要： PROBLEM TO BE SOLVED: To provide a rivet, imparting favorable corrosion resistance to a joining part by a rivet, and a jointing method using the rivet.
SOLUTION: In this rivet 1, a film 3 made of resin molten by predetermined heating treatment and hardened at room temperature is formed on the head part 2a. After the superposed members to be joined are joined, heating treatment is performed within a temperature range of 140 to 200°C about 5 to 20 minutes, thereby melting the resin film 3 to flow in between the rivet 1 and a joined material.
COPYRIGHT: (C)2006,JPO&NCIPI

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