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公开(公告)号：US20110074076A1
公开(公告)日：2011-03-31
申请号：US12892439
申请日：2010-09-28
CPC分类号： C22C38/34 , C22C38/04 , C22C38/42 , C22C38/44 , C22C38/50 , C22C38/54 , Y10T29/479 , Y10T29/49611 , Y10T29/49615
摘要： A high-strength spring steel and a spring are provided that have superior corrosion fatigue strength. The spring steel comprises, in mass percent, 0.35-0.55% C, 1.60-3.00% Si, 0.20-1.50% Mn, 0.10-1.50% Cr, and at least one of 0.40-3.00% Ni, 0.05-0.50% Mo and 0.05-0.50% V, the balance being substantially Fe and incidental elements and impurities.
摘要翻译： 提供了具有优异的耐腐蚀疲劳强度的高强度弹簧钢和弹簧。 弹簧钢以质量％计含有0.35-0.55％C，1.60-3.00％Si，0.20-1.50％Mn，0.10-1.50％Cr和0.40-3.00％Ni，0.05-0.50％Mo中的至少一种，Mo和 0.05-0.50％V，余量基本上为Fe和附带的元素和杂质。
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2.发明授权公开(公告)号：US08936236B2
公开(公告)日：2015-01-20
申请号：US12892434
申请日：2010-09-28
CPC分类号： C22C38/34 , C22C38/04 , C22C38/42 , C22C38/44 , C22C38/50 , C22C38/54 , Y10T29/479 , Y10T29/49611 , Y10T29/49615
摘要： A manufacturing method of a coil spring for an automobile suspension includes forming a material into a coil shape; performing a heat treatment step on the material; performing a warm shot peening step on the material, and performing a hot setting step on the material. By performing the warm shot peening step prior to the hot setting step, a stronger compressive residual stress is imparted in a direction along which a large tensile stress acts during actual use of the coil spring, thereby improving sag resistance and durability of the coil spring. A coil spring is also manufactured according to this method.
摘要翻译： 一种用于汽车悬架的螺旋弹簧的制造方法，包括将材料形成为线圈形状; 对材料进行热处理步骤; 对材料进行温热喷丸处理，并对材料进行热固化步骤。 通过在热定形步骤之前进行温喷丸硬化步骤，在螺旋弹簧的实际使用期间，在大的拉伸应力作用的方向上施加更强的压缩残余应力，从而改善螺旋弹簧的下垂阻力和耐久性。 根据该方法也制造螺旋弹簧。
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公开(公告)号：US08328169B2
公开(公告)日：2012-12-11
申请号：US12892444
申请日：2010-09-28
IPC分类号： C22C38/18
CPC分类号： C22C38/34 , C22C38/04 , C22C38/42 , C22C38/44 , C22C38/50 , C22C38/54 , Y10T29/479 , Y10T29/49611 , Y10T29/49615
摘要： The present application provides a high strength spring steel and a high strength spring that have superior corrosion fatigue strength. The spring steel comprises, in terms of percent by mass, 0.35-0.55% C, 1.60-3.00% Si, 0.20-1.50% Mn, 0.10-1.50% Cr and at least one element selected from 0.40-3.00% Ni, 0.05-0.50% Mo 0.05-0.50% V, the balance being at least substantially Fe and incidental elements and impurities.
摘要翻译： 本申请提供了具有优异的耐腐蚀疲劳强度的高强度弹簧钢和高强度弹簧。 弹簧钢以质量％计含有0.35-0.55％C，1.60-3.00％Si，0.20-1.50％Mn，0.10-1.50％Cr和至少一种选自0.40-3.00％Ni，0.05- 0.50％Mo 0.05-0.50％V，余量至少基本上为Fe和附带的元素和杂质。
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4.发明申请公开(公告)号：US20110074079A1
公开(公告)日：2011-03-31
申请号：US12892434
申请日：2010-09-28
CPC分类号： C22C38/34 , C22C38/04 , C22C38/42 , C22C38/44 , C22C38/50 , C22C38/54 , Y10T29/479 , Y10T29/49611 , Y10T29/49615
摘要： A manufacturing method of a coil spring for an automobile suspension includes forming a material into a coil shape; performing a heat treatment step on the material; performing a warm shot peening step on the material, and performing a hot setting step on the material. By performing the warm shot peening step prior to the hot setting step, a stronger compressive residual stress is imparted in a direction along which a large tensile stress acts during actual use of the coil spring, thereby improving sag resistance and durability of the coil spring. A coil spring is also manufactured according to this method.
摘要翻译： 一种用于汽车悬架的螺旋弹簧的制造方法，包括将材料形成为线圈形状; 对材料进行热处理步骤; 对材料进行温热喷丸处理，并对材料进行热固化步骤。 通过在热定形步骤之前进行温喷丸硬化步骤，在螺旋弹簧的实际使用期间，在大的拉伸应力作用的方向上施加更强的压缩残余应力，从而改善螺旋弹簧的下垂阻力和耐久性。 根据该方法也制造螺旋弹簧。
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公开(公告)号：US08789817B2
公开(公告)日：2014-07-29
申请号：US12892439
申请日：2010-09-28
IPC分类号： C22C38/42
CPC分类号： C22C38/34 , C22C38/04 , C22C38/42 , C22C38/44 , C22C38/50 , C22C38/54 , Y10T29/479 , Y10T29/49611 , Y10T29/49615
摘要： A high-strength spring steel and a spring are provided that have superior corrosion fatigue strength. The spring steel comprises, in mass percent, 0.35-0.55% C, 1.60-3.00% Si, 0.20-1.50% Mn, 0.10-1.50% Cr, and at least one of 0.40-3.00% Ni, 0.05-0.50% Mo and 0.05-0.50% V, the balance being substantially Fe and incidental elements and impurities.
摘要翻译： 提供了具有优异的耐腐蚀疲劳强度的高强度弹簧钢和弹簧。 弹簧钢以质量％计含有0.35-0.55％C，1.60-3.00％Si，0.20-1.50％Mn，0.10-1.50％Cr和0.40-3.00％Ni，0.05-0.50％Mo中的至少一种，Mo和 0.05-0.50％V，余量基本上为Fe和附带的元素和杂质。
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公开(公告)号：US08349095B2
公开(公告)日：2013-01-08
申请号：US12892445
申请日：2010-09-28
IPC分类号： C22C38/00
CPC分类号： C22C38/34 , C22C38/04 , C22C38/42 , C22C38/44 , C22C38/50 , C22C38/54 , Y10T29/479 , Y10T29/49611 , Y10T29/49615
摘要： A spring steel and spring having superior corrosion fatigue strength and a strength on the order of HRC 53 to HRC 56 are disclosed. The spring steel comprises a tempered martensite and 2.1 to 2.4% Si in terms of percent by mass of the total mass of the spring steel.
摘要翻译： 公开了具有优异的耐腐蚀疲劳强度和HRC 53至HRC 56的强度的弹簧钢和弹簧。 该弹簧钢由弹性钢的总质量的质量百分比表示，回火马氏体和2.1〜2.4％的Si。
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公开(公告)号：US20110074078A1
公开(公告)日：2011-03-31
申请号：US12892445
申请日：2010-09-28
CPC分类号： C22C38/34 , C22C38/04 , C22C38/42 , C22C38/44 , C22C38/50 , C22C38/54 , Y10T29/479 , Y10T29/49611 , Y10T29/49615
摘要： A spring steel and spring having superior corrosion fatigue strength and a strength on the order of HRC 53 to HRC 56 are disclosed. The spring steel comprises a tempered martensite and 2.1 to 2.4% Si in terms of percent by mass of the total mass of the spring steel.
摘要翻译： 公开了具有优异的耐腐蚀疲劳强度和HRC 53至HRC 56的强度的弹簧钢和弹簧。 该弹簧钢由弹性钢的总质量的质量百分比表示，回火马氏体和2.1〜2.4％的Si。
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公开(公告)号：US20110074077A1
公开(公告)日：2011-03-31
申请号：US12892444
申请日：2010-09-28
CPC分类号： C22C38/34 , C22C38/04 , C22C38/42 , C22C38/44 , C22C38/50 , C22C38/54 , Y10T29/479 , Y10T29/49611 , Y10T29/49615
摘要： The present application provides a high strength spring steel and a high strength spring that have superior corrosion fatigue strength. The spring steel comprises, in terms of percent by mass, 0.35-0.55% C, 1.60-3.00% Si, 0.20-1.50% Mn, 0.10-1.50% Cr and at least one element selected from 0.40-3.00% Ni, 0.05-0.50% Mo 0.05-0.50% V, the balance being at least substantially Fe and incidental elements and impurities.
摘要翻译： 本申请提供了具有优异的耐腐蚀疲劳强度的高强度弹簧钢和高强度弹簧。 弹簧钢以质量％计含有0.35-0.55％C，1.60-3.00％Si，0.20-1.50％Mn，0.10-1.50％Cr和至少一种选自0.40-3.00％Ni，0.05- 0.50％Mo 0.05-0.50％V，余量至少基本上为Fe和附带的元素和杂质。
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公开(公告)号：US06193816B1
公开(公告)日：2001-02-27
申请号：US09192271
申请日：1998-11-16
IPC分类号： C22C3846
摘要： A spring is provided having a high durability in actual use and sagging resistance of the same level as or higher than conventional ones through improvement of the corrosion fatigue resistance. The spring uses as a material a steel including C: 0.35-0.55%, Si: 1.60-3.00%, Mn: 0.20-1.50%, S: 0.010% or less, Ni: 0.40-3.00%, Cr: 0.10-1.50%, N: 0.010-0.025%, V: 0.05-0.50% and Fe balance. The steel is heat treated to have a hardness of 50.5-55.0 HCC and shot-peened at a moderate temperature to render a residual stress of −600 MPa or more at a depth of 0.2 mm below the surface. The temperature at which the spring is shot-peened is preferably 100-300° C., and the hardness of shot particles for the shot-peening is preferably 450-600 Hv.
摘要翻译： 通过提高抗腐蚀疲劳性，提供具有与常规的相同水平或更高的实际使用中的高耐久性和下垂阻力的弹簧。 该弹簧用作钢，包括C：0.35-0.55％，Si：1.60-3.00％，Mn：0.20-1.50％，S：0.010％或更少，Ni：0.40-3.00％，Cr：0.10-1.50％ ，N：0.010-0.025％，V：0.05-0.50％，Fe平衡。 钢被热处理以具有50.5-55.0HCC的硬度，并在中等温度下进行喷丸硬化，使得在表面下方0.2mm的深度处具有-600MPa或更高的残余应力。 弹簧喷丸硬化的温度优选为100〜300℃，喷丸硬化的喷丸粒度的硬度优选为450〜600Hv。
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公开(公告)号：US07699943B2
公开(公告)日：2010-04-20
申请号：US10546833
申请日：2004-03-24
IPC分类号： C21D9/02
CPC分类号： C21D8/00 , C21D7/06 , C21D9/02 , Y10S148/908 , Y10T29/479
摘要： The present invention intends to provide a method for manufacturing a high-strength spring, which is capable of generating a higher level of compressive residual stress than that given by conventional methods. This object is achieved as follows: After the final heating process, such as the tempering (in the case of a heat-treated spring) or removing-strain annealing (in the case of a cold-formed spring), a shot peening process is performed on the spring while the surface temperature of the spring is within the range from 265 to 340° C. (preferably from 300 to 340° C.). Subsequently, the spring is rapidly cooled. Preferably, a prestressing process is performed before the shot peening process, or after the shot peening process and before the rapid cooling process. The rapid cooling process may be either a water-cooling process or an oil-cooling process. A forced-air cooling process may be used if the wire diameter of the spring is small.
摘要翻译： 本发明旨在提供一种制造高强度弹簧的方法，其能够产生比常规方法给出的更高水平的压缩残余应力。 该目的实现如下：在最终加热过程（如热处理弹簧的情况下）或去除 - 应变退火（在冷成型弹簧的情况下）之后，喷丸硬化过程为 弹簧的表面温度在265〜340℃的范围内（优选为300〜340℃）。 随后，弹簧快速冷却。 优选地，在喷丸硬化处理之前或喷丸硬化处理之后和快速冷却过程之前执行预应力过程。 快速冷却过程可以是水冷工艺或油冷却过程。 如果弹簧的线径小，则可以使用强制空气冷却过程。
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