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1. 发明专利

JP2010077505A Tie rod end made from steel and method for manufacturing the same 有权
标题翻译：从钢制成的端部端部及其制造方法
公开(公告)号：JP2010077505A
公开(公告)日：2010-04-08
申请号：JP2008248397
申请日：2008-09-26
申请人： Aichi Steel Works Ltd , Nippon Steel Corp , Toyota Motor Corp , トヨタ自動車株式会社 , 愛知製鋼株式会社 , 新日本製鐵株式会社
发明人： KAWAMOTO TAKESHI , SAKUMA HITOSHI , HIRANO TAKASHI , MIZUNO HIROYUKI , TERAMOTO SHINYA , TODA MASAHIRO , TAKADA HIROTADA , OKONOGI MAKOTO
IPC分类号： C21D9/00 , B62D7/08
CPC分类号： B62D7/20 , B60G7/001 , B60G2206/11 , B60G2206/8401 , B60G2206/8402 , C21D1/25 , C21D9/0068 , C21D9/0075 , C21D2211/008 , C21D2221/01
摘要： PROBLEM TO BE SOLVED: To provide a tie rod end having low rigidity, high strength and superior impact properties, and to provide a method for manufacturing the same.
SOLUTION: The tie rod end 1 made from steel having a shank 2, a first attaching part 3 and a second attaching part 4 has the smallest area part 26 provided in the shank 2, of which the cross-sectional area in the diametrical direction is small. The smallest area part 26 also has a steel structure of which 90% or more is constituted by martensite or tempered martensite. The surface hardness and the average hardness of the cross-section in the diametrical direction of the smallest area part 26 are controlled to 600 Hv or less, and the average hardness of the cross-section in the diametrical direction of the first attaching part 3 and the average hardness of the cross-section in the diametrical direction of the second attaching part 4 are controlled to 300 Hv or less. The method for manufacturing the tie rod end 1 made from steel includes a quenching step of heating only a scheduled part of the shank to an austenitizing temperature with a high-frequency wave, and then rapid-cooling the shank with water or a coolant.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供具有低刚性，高强度和优异冲击性能的拉杆端，并提供其制造方法。解决方案：由具有柄2，第一安装部3和第二安装部4的钢制成的拉杆端1具有设置在柄部2中的最小区域部26，其中截面积直径方向小。最小面积部26也具有由马氏体或回火马氏体构成的90％以上的钢结构。将最小面积部26的直径方向的截面的表面硬度和平均硬度控制为600Hv以下，将第一安装部3的直径方向的截面的平均硬度和将第二安装部4的直径方向的截面的平均硬度控制在300Hv以下。用于制造由钢制成的拉杆端1的方法包括：淬火步骤，其仅使用高频波将柄部的预定部分加热到奥氏体化温度，然后用水或冷却剂快速冷却柄部。版权所有（C）2010，JPO＆INPIT

2. 发明专利

JP2008247339A Tie rod and its manufacturing method 有权
标题翻译： TIE ROD及其制造方法
公开(公告)号：JP2008247339A
公开(公告)日：2008-10-16
申请号：JP2007094463
申请日：2007-03-30
申请人： Nippon Steel Corp , Toyota Motor Corp , トヨタ自動車株式会社 , 新日本製鐵株式会社
发明人： YANO HITOSHI , MORI MOTOHIDE , SAKUMA HITOSHI , IMAI KAZUHIKO , OKONOGI MAKOTO , TODA MASAHIRO , TAKADA HIROTADA , TERAMOTO SHINYA
IPC分类号： B62D7/08
摘要： PROBLEM TO BE SOLVED: To provide a tie rod capable of smoothly transmitting the steering operation of a driver to a wheel and enhancing a steering feeling of the driver.
SOLUTION: In the tie rod 1 provided with at least a shaft 10 and mounting parts 20, 30 at both ends of the shaft 10, the shaft 10 has a small cross section area 13 getting a smaller cross section area than respective cross section areas of both ends 11, 12 of the shaft, and a ratio of the cross section area Dmin of the small cross section area 13 to the respective cross section areas D1, D2 of both ends 11, 12 is 0.8 or smaller.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供能够平稳地将驾驶员的转向操作传递到车轮并提高驾驶员的转向感的拉杆。解决方案：在具有至少一个轴10和在轴10两端的安装部分20,30的拉杆1中，轴10具有小的横截面积13，其横截面面积比相应的横截面小轴的两端部11,12的截面积以及小截面积13的截面积Dmin与两端部11,12的截面积D1，D2的比率为0.8以下。版权所有（C）2009，JPO＆INPIT

3. 发明专利

JP2010077488A High strength non-heat-treated steel for fracture partition, and steel component for fracture partition 有权
$High strength non-heat-treated steel for fracture partition, and steel component for fracture partition$
标题翻译：用于断裂分段的高强度非热处理钢和用于断裂分段的钢组件
公开(公告)号：JP2010077488A
公开(公告)日：2010-04-08
申请号：JP2008246661
申请日：2008-09-25
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： TERAMOTO SHINYA , TAKADA HIROTADA , KUBOTA MANABU
IPC分类号： C22C38/00 , B21J5/00 , B21K1/14 , C22C38/24 , C22C38/60
摘要： PROBLEM TO BE SOLVED: To provide a high strength non-heat-treated steel having excellent fracture partition properties, which has excellent hot ductility and has a stably perfect ferrite-pearlite structure when being air-cooled or wind-cooled after hot forging, and to provide a steel component for fracture partition.
SOLUTION: The high strength non-heat-treated steel has a composition comprising, by mass, 0.30 to 0.45% C, 0.50 to
摘要翻译：要解决的问题：提供一种具有优异的断裂分隔性能的高强度非热处理钢，其具有优异的热延展性，并且在空气冷却或风冷后热稳定地完成铁素体 - 珠光体结构锻造，并提供用于断裂分割的钢部件。解决方案：高强度非热处理钢具有质量分数为0.30〜0.45％，Si：0.50〜0.80％，Mn：0.76〜1.17％，P：0.040〜0.080％，P：0.040〜0.118 ％S，0.05〜0.20％Cr，≤0.010％Al，0.27〜0.45％V和0.0050〜0.0145％N，余量为Fe与不可避免的杂质，确保热延展性，满足三种构成调节式，形成铁素体 - 锻造后风冷或风冷时的铁素体分率≥60％的珠光体组织：公式（1）定义的K值K = -0.56×％C-0.07×％Si + 1.3×％Mn + 0.80× ％Cr-1.80×％P + 0.19％V-5.6×％N≤1.3，由式（2）定义的F值F = 4.3×％C-0.21×％Si + 1.0×％Mn + 1.4×％Cr- 1.90×％P + 1.8％V-6.6×％N≤3.0，由式（3）定义的R值R = 46.7-7.4×％Si + 37.7×％Mn-349×％S-12.0×％V- 174×％Al≥35。还提供了用于断裂分割的钢构件。版权所有（C）2010，JPO＆INPIT

4. 发明专利

JP2009108357A Non-heat treated steel for martensite type hot-forging, and hot-forged non-heat treated steel part 有权
标题翻译：用于马氏体型锻造的非热处理钢和热加工非热处理钢部件
公开(公告)号：JP2009108357A
公开(公告)日：2009-05-21
申请号：JP2007280269
申请日：2007-10-29
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： TERAMOTO SHINYA , HASHIMURA MASAYUKI
IPC分类号： C22C38/00 , C22C38/60
摘要： PROBLEM TO BE SOLVED: To provide a non-heat treated steel for hot-forging and hot-forged non-heat treated steel parts composed of the above steel with which even in the case of not performing the heat treatment of quenching and tempering by reheating after forming with the hot-forging and performing the control-cooling, the main structure in the steel is made to be martensite and then, the steel parts having high strength and toughness and excellent machinability, can be obtained. SOLUTION: This non-heat treated steel for martensite type hot-forging includes, by mass%, 0.10-0.20% C, 0.10-0.50% Si, 1.0-3.0% Mn, 0.005-0.80% S, 0.10-1.50% Cr, 0.0005-0.003% Al, 0.002-0.01% N, and further includes one or more kinds among 0.0003-0.0050% Ca, 0.0003-0.0050% Mg, 0.0005-0.10% Zr, and the balance substantially Fe with inevitable impurities. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于热锻的非热处理钢和由锻造非热处理的钢部件组成的上述钢，即使在不进行淬火的热处理的情况下，通过热锻成形后的再加热回火，进行控制冷却，钢中的主要结构为马氏体，可获得强度高，韧性高，切削性优良的钢部。解决方案：用于马氏体型热锻的这种非热处理钢包括质量％为0.10-0.20％C，0.10-0.50％Si，1.0-3.0％Mn，0.005-0.80％S，0.10-1.50 ％Cr，0.0005-0.003％Al，0.002-0.01％N，并且还包括0.0003-0.0050％Ca，0.0003-0.0050％Mg，0.0005-0.10％Zr中的一种或多种，余量基本上为Fe和不可避免的杂质。版权所有（C）2009，JPO＆INPIT

5. 发明专利

JP2012246527A Steel component for machine structure with high fatigue strength and high toughness, and method of manufacturing the same 有权
标题翻译：具有高疲劳强度和高韧性的机械结构的钢构件及其制造方法
公开(公告)号：JP2012246527A
公开(公告)日：2012-12-13
申请号：JP2011118312
申请日：2011-05-26
申请人： Nippon Steel Corp , 新日本製鐵株式会社 , Mitsubishi Motors Corp , 三菱自動車工業株式会社
发明人： TERAMOTO SHINYA , TAKADA HIROTADA , KUBOTA MANABU , TANIGUCHI YOICHI , KOGANEMARU TOMOSHI , FUJIMURA KAZUHIRO , NAKATSUKA JUNICHI
IPC分类号： C22C38/00 , B21J5/00 , C21D8/00 , C22C38/60
CPC分类号： C21D8/005 , B21J1/003 , C21D1/20 , C21D6/00 , C21D2211/002 , C21D2211/004 , C22C38/001 , C22C38/002 , C22C38/02 , C22C38/06 , C22C38/22 , C22C38/24 , C22C38/26 , C22C38/28 , C22C38/38 , C22C38/60
摘要： PROBLEM TO BE SOLVED: To provide a steel component for machine structure with improved fatigue strength and toughness without reduced machinability by controlling the structure in its components by cooling and heating even in a usual heat treatment, and a method of manufacturing the same.SOLUTION: The component is made of steel containing C: 0.05-0.20 mass%, Si: 0.10-1.00 mass%, Mn: 0.75-3.00 mass%, P: 0.001-0.050 mass%, S: 0.001-0.200 mass%, V: over 0.20-0.25 mass%, Cr: 0.01-1.00 mass%, Al: 0.001-0.500 mass%, N: 0.0080-0.0200 mass% with the balance being Fe and inevitable impurities, wherein the steel structure includes a bainitic structure by 95% or more of area ratio, a width of a bainite lath is 5 μm or less, and V carbonitride is dispersed in the steel.
摘要翻译：要解决的问题：即使在通常的热处理中也可以通过冷却和加热来控制其组件的结构，提供具有改善的疲劳强度和韧性而不降低机械加工性的机械结构的钢构件及其制造方法。
解决方案：该组件由含有C：0.05-0.20质量％，Si：0.10-1.00质量％，Mn：0.75-3.00质量％，P：0.001-0.050质量％，S：0.001-0.200质量％的钢制成％，V：0.20〜0.25质量％，Cr：0.01〜1.00质量％，Al：0.001-0.500质量％，N：0.0080〜0.0200质量％，余量为Fe和不可避免的杂质，其中，钢结构体包含贝氏体结构为95％以上的面积比，贝氏体板条的宽度为5μm以下，碳氮化硼分散在钢中。版权所有（C）2013，JPO＆INPIT

6. 发明专利

JP2008056956A Surface layer fine granular steel part and producing method therefor 有权
标题翻译：表面层微细颗粒钢件及其生产方法
公开(公告)号：JP2008056956A
公开(公告)日：2008-03-13
申请号：JP2006232801
申请日：2006-08-29
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： TERAMOTO SHINYA , TAKADA HIROTADA
IPC分类号： C22C38/00 , B21J5/00 , C21D8/00 , C22C38/60
摘要： PROBLEM TO BE SOLVED: To provide a surface layer fin granular steel part having high yield strength equal to or higher than a conventional quenching and tempering treated material, and to provide a producing method therefor. SOLUTION: This surface layer fine granular steel part contains, by mass%, of 0.45-0.60% C, 0.01-0.60% Nb, 0.10-1.50% Si, 0.40-3.0% Mn, ≤2.0% (containing 0) Cr, ≤0.10% P, 0.001-0.15% S, 0.003-0.025% N and the balance Fe with inevitable impurities and is observed that till at least 1.0mm depth under a part or the whole surface, the whole average grain diameter of a packet of protectoid ferrite crystal grain, bainitic ferrite crystal grain and tempering martensite , surrounding the large angle granular boundary having 15° or more the orientation differential angle, is 5μm or lower, and this part is the ferrite-bainite-martensite-based structure having 30% or lower of the volume ratio of the proeutentoid ferrite crystal. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供具有等于或高于常规淬火和回火处理材料的高屈服强度的表层翅片状颗粒状钢部件，并提供其制造方法。解决方案：该表层细粒状钢部分以质量％计含有0.45-0.60％的C，0.01-0.60％的Nb，0.10-1.50％的Si，0.40-3.0％的Mn，≤2.0％（含0） Cr，≤0.10％P，0.001-0.15％S，0.003-0.025％N，余量为Fe与不可避免的杂质，并且观察到在一部分或全部表面下至少为1.0mm的深度，全部平均粒径a 围绕具有15°以上取向差角的大角度粒状边界的保护型铁素体晶粒的包层贝氏体铁素体晶粒和回火马氏体为5μm以下，该部分为铁素体 - 贝氏体 - 马氏体系的结构，具有 30％以下的原始铁素体晶体的体积比。版权所有（C）2008，JPO＆INPIT

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