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1. 发明申请

US20130174947A1 High-Toughness Cold-Drawn Non-Heat-Treated Wire Rod, and Method for Manufacturing Same 有权
标题翻译：高韧性冷拉非热处理线材及其制造方法
公开(公告)号：US20130174947A1
公开(公告)日：2013-07-11
申请号：US13824667
申请日：2011-11-21
申请人： You-Hwan Lee , Dong-Hyun Kim
发明人： You-Hwan Lee , Dong-Hyun Kim
IPC分类号： C21D8/06 , C22C38/04 , C22C38/02
CPC分类号： C21D8/065 , B21C1/003 , C21D7/00 , C21D7/10 , C21D9/525 , C22C38/02 , C22C38/04 , C22C38/38
摘要： Provided is a wire rod for use in mechanical structure connections, vehicle components, or the like, and more particularly, to a wire rod which has superior toughness without being subjected to a heat treatment, and the strength of which is ensured through a cold-drawing process. Tot his end, provided are a high-toughness cold-drawn non-heat-treated wire rod and a method for manufacturing the same, wherein the wire rod comprises in % by weight: 0.2 to 0.3% of carbon (C), 0.1 to 0.2% of silicon (Si), 2.5 to 4.0% of manganese (Mn), 0.035% or less (but not 0%) of phosphorus (P), 0.04% or less (but not 0%) of sulfur (S), the remainder being iron (Fe) and unavoidable impurities.
摘要翻译：本发明提供一种用于机械结构连接，车辆部件等的线材，更具体地说，涉及一种具有优异韧性而不经受热处理的线材，其强度通过冷 - 绘图过程。尽管如此，提供了一种高韧性冷拉非热处理线材及其制造方法，其中线材包含重量百分比：碳（C）的0.2〜0.3％，碳（C）的0.1〜0.3％ 0.2％硅（Si），2.5〜4.0％锰（Mn），0.035％以下（但不为0％）的磷（P），0.04％以下（但不为0％）的硫（S）余量为铁（Fe）和不可避免的杂质。

2. 发明申请

US20120227872A1 ULTRA-HIGH-STRENGTH STEEL WIRE HAVING EXCELLENT RESISTANCE TO DELAYED FRACTURE AND MANUFACTURING METHOD THEREOF 审中-公开
标题翻译：具有良好抗延迟断裂性能的超高强度钢丝及其制造方法
公开(公告)号：US20120227872A1
公开(公告)日：2012-09-13
申请号：US13508745
申请日：2010-12-23
申请人： Dong-Hyun Kim , You-Hwan Lee , Sang-Yoon Lee , Hyung-Keun Cho
发明人： Dong-Hyun Kim , You-Hwan Lee , Sang-Yoon Lee , Hyung-Keun Cho
IPC分类号： C21D9/52 , C22C38/12 , C22C38/04 , C22C38/02
CPC分类号： C22C38/12 , C21D8/065 , C21D9/0093 , C22C38/02 , C22C38/04
摘要： An ultra-high-strength steel wire rod having excellent resistance to delayed fracture includes, by wt %, 0.7-1.2% C, 0.25-0.5% Si, 0.5-0.8% Mn, 0.02-0.1% V and a balance of Fe and inevitable impurities. The method includes the steps of heating the above steel composition to 1100° C. or lower and hot rolling at a temperature of 900-1000° C., followed by cooling to 600-650° C. at a prescribed rate, followed by cold drawing at a reduction ratio of 60-80%.
摘要翻译：具有优异的延迟断裂性的超高强度钢线材包括：重量％，0.7-1.2％C，0.25-0.5％Si，0.5-0.8％Mn，0.02-0.1％V，余量为Fe和不可避免的杂质。该方法包括以下步骤：将上述钢组合物加热至1100℃以下，在900-1000℃的温度下进行热轧，然后以规定的比例冷却至600-650℃，然后冷却以60-80％的减速比绘制。

3. 发明申请

US20120037283A1 High-Strength, High-Toughness Steel Wire Rod, and Method for Manufacturing Same 审中-公开
标题翻译：高强度，高韧性钢丝杆及其制造方法
公开(公告)号：US20120037283A1
公开(公告)日：2012-02-16
申请号：US13263758
申请日：2010-04-23
申请人： Dong-Hyun Kim , You-Hwan Lee , Sang-Yoon Lee , Hyung-Keun Cho
发明人： Dong-Hyun Kim , You-Hwan Lee , Sang-Yoon Lee , Hyung-Keun Cho
IPC分类号： C21D9/52 , C22C38/04 , C22C38/02 , C22C38/00 , C22C38/06
CPC分类号： C22C38/12 , C22C38/001 , C22C38/06 , C22C38/14
摘要： Provided are a high-strength, high-toughness steel wire rod and a method of manufacturing the same. The steel wire rod has a composition including 0.07 wt % to 0.14 wt % of aluminum (Al) and nitrogen (N) wherein Al:N (where Al and N denote wt % of each element) is in a range of 15:1 to 25:1. Since a steel wire rod having sufficient strength and toughness improvement effects can be obtained with a simple alloy component, a steel wire rod capable of allowing processing such as cold forging to be performed without an additional heat treatment may be provided.
摘要翻译：本发明提供高强度，高韧性钢线材及其制造方法。钢线材具有含有0.07重量％至0.14重量％的铝（Al）和氮（N）的组成，其中Al：N（其中Al和N表示各元素的重量％）在15:1至 25：1。由于可以通过简单的合金成分获得具有足够的强度和韧性改善效果的钢丝棒，所以可以提供能够进行诸如冷锻的加工的钢线，而不进行额外的热处理。

4. 发明授权

US09322075B2 High-strength and high-toughness ultrafine wire rod 有权
标题翻译：高强度高韧性超细线材
公开(公告)号：US09322075B2
公开(公告)日：2016-04-26
申请号：US13695121
申请日：2011-05-06
申请人： Dong-Hyun Kim , Woo-Gi Shin , You-Hwan Lee
发明人： Dong-Hyun Kim , Woo-Gi Shin , You-Hwan Lee
IPC分类号： C22C38/02 , C22C38/04 , C21D9/52 , C21D8/06
CPC分类号： C21D9/52 , C21D8/065 , C21D2211/003 , C21D2211/005 , C22C38/02 , C22C38/04
摘要： Provided is an ultra-fine grained, high-strength, high-toughness carbon steel wire rod manufactured through control of a microstructure by process control without addition of relatively expensive alloying elements. More particularly, the material provided is an ultra-fine grained, high-strength, high-toughness carbon steel wire rod having a microstructure including a ferrite structure having an area fraction of 60% or more and a cementite structure as a remainder, wherein an average grain diameter of ferrite grains is 15 μm or less. Also provided is a method of manufacturing the wire rod.
摘要翻译：提供了通过在不添加相对昂贵的合金元素的情况下通过过程控制来控制微结构而制造的超细晶粒，高强度，高韧性的碳钢线材。更具体地说，所提供的材料是具有微结构的超细晶粒，高强度，高韧性的碳钢线材，其具有包括面积分数为60％以上的铁素体结构和作为余量的渗碳体结构的微结构，其中，铁素体晶粒的平均粒径为15μm以下。还提供了制造线材的方法。

5. 发明申请

US20140150934A1 WIRE ROD HAVING SUPERIOR HYDROGEN DELAYED FRACTURE RESISTANCE, METHOD FOR MANUFACTURING SAME, HIGH STRENGTH BOLT USING SAME AND METHOD FOR MANUFACTURING BOLT 审中-公开
标题翻译：具有超级氢延迟耐断裂性的线，其制造方法，使用其的高强度螺栓和用于制造螺栓的方法
公开(公告)号：US20140150934A1
公开(公告)日：2014-06-05
申请号：US14232805
申请日：2012-05-14
申请人： You-Hwan Lee , Dong-Hyun Kim , Geun-Soo Ryu
发明人： You-Hwan Lee , Dong-Hyun Kim , Geun-Soo Ryu
IPC分类号： C21D9/00 , C22C38/08 , C22C38/04 , C22C38/00 , C22C38/02
CPC分类号： C21D9/0093 , C21D8/065 , C21D9/525 , C22C38/005 , C22C38/02 , C22C38/04 , C22C38/08 , C22C38/12
摘要： The present invention relates to a wire rod used in bolts for automobile engines, for example, and more specifically to a wire rod having an improved resistance to hydrogen delayed fracture, to a manufacturing method for same, to a bolt using same and a method for manufacturing the bolt. Provided are a high strength wire rod having a superior resistance to hydrogen delayed fracture and a method for manufacturing same, a high strength bolt using the wire rod and a method for manufacturing same, wherein.the wire rod comprises, 0.3-0.7 wt % C, 0.05-2.0 wt % Si, 0.7-1.5 wt % Mn, 0.01-0.1 wt % Ni, and 30-70 ppm La, and the remainder thereof is comprised by Fe and inevitable impurities.
摘要翻译：本发明涉及例如用于汽车发动机的螺栓的线材，更具体地说，涉及一种具有改进的耐氢延迟断裂性的线材，其制造方法，使用该线材的螺栓以及用于其的方法制造螺栓。本发明提供一种具有优异的耐氢延迟断裂性的高强度线材及其制造方法，使用该线材的高强度螺栓及其制造方法。线材包括0.3-0.7重量％C，0.05-2.0重量％的Si，0.7-1.5重量％的Mn，0.01-0.1重量％的Ni和30-70ppm的La，其余的由Fe和不可避免的杂质。

6. 发明申请

US20140027025A1 WIRE ROD HAVING GOOD SUPERIOR SURFACE PROPERTIES, HIGH STRENGTH, AND HIGH TOUGHNESS, AND A METHOD FOR MANUFACTURING SAME 审中-公开
标题翻译：具有良好的超级表面特性，高强度和高韧性的线材及其制造方法
公开(公告)号：US20140027025A1
公开(公告)日：2014-01-30
申请号：US14110924
申请日：2012-05-11
申请人： Dong-Hyun Kim , You-Hwan Lee , Hyung-Keun Cho
发明人： Dong-Hyun Kim , You-Hwan Lee , Hyung-Keun Cho
IPC分类号： C21D8/06 , C22C38/02 , C22C38/04 , C22C38/60
CPC分类号： C21D8/065 , C21D9/525 , C21D2211/005 , C21D2211/009 , C22C38/00 , C22C38/002 , C22C38/02 , C22C38/04 , C22C38/60
摘要： Provided is a wire rod having high strength and high toughness, which suppresses the generation of surface oxide and has superior surface properties through uniform oxide formation, and to a method for manufacturing same. For this purpose, a wire rod comprising 0.005˜ to 0.02 wt. % of Sb, having superior surface properties, high strength and high toughness, and a method for manufacturing same are provided.
摘要翻译：提供一种具有高强度和高韧性的线材，其通过均匀的氧化物形成抑制了表面氧化物的产生并具有优异的表面性能及其制造方法。为此，将包含0.005〜0.02重量％提供具有优异的表面性能，高强度和高韧性的Sb的％，及其制造方法。

7. 发明申请

US20130019999A1 METHOD OF MANUFACTURING HIGH STRENGTH AND HIGH DUCTILITY TITANIUM ALLOY 审中-公开
标题翻译：制造高强度和高密度钛合金的方法
公开(公告)号：US20130019999A1
公开(公告)日：2013-01-24
申请号：US13511419
申请日：2010-12-23
申请人： Chong-Soo Lee , You Hwan Lee , Sun Mi Kim , Chan Hee Park
发明人： Chong-Soo Lee , You Hwan Lee , Sun Mi Kim , Chan Hee Park
IPC分类号： C22F1/18
CPC分类号： C22C14/00 , C22F1/04
摘要： Disclosed is a method of manufacturing a high strength and high ductility titanium alloy. The method comprises: providing a titanium alloy having a martensite structure; and partially dynamically spheroidizing a microstructure through a thermal and mechanical treatment of the titanium alloy having the martensite structure. According to the present invention, a titanium alloy having a partially dynamically spheroidized microstructure can be manufactured to have excellent yield strength (YS) and uniform elongation (U.EL). A microstructure having lamellar structures is controlled to a microstructure where fine equiaxed structures and lamellar structures are simultaneously present by regulating a rolling direction and a deformation amount. According to the present invention, a titanium alloy can be manufactured to have an improved product (YS×U.EL) of yield strength and uniform elongation as compared with conventional heat treatment.
摘要翻译：公开了一种制造高强度和高延展性钛合金的方法。该方法包括：提供具有马氏体结构的钛合金; 并通过具有马氏体结构的钛合金的热和机械处理部分动态地球化微结构。根据本发明，可以制造具有部分动态球化的微结构的钛合金，以具有优异的屈服强度（YS）和均匀的伸长率（U.EL）。通过调节轧制方向和变形量，将具有层状结构的微观结构控制到微观结构，同时存在细等轴结构和层状结构。根据本发明，与常规热处理相比，可以制造钛合金以具有改善的屈服强度和均匀伸长率的产品（YS×U.EL）。

8. 发明授权

US09728332B2 Wire rod and steel wire having superior magnetic characteristics, and method for manufacturing same 有权
公开(公告)号：US09728332B2
公开(公告)日：2017-08-08
申请号：US13824428
申请日：2011-11-09
申请人： Dong-Hyun Kim , You-Hwan Lee , Woo-Gi Shin
发明人： Dong-Hyun Kim , You-Hwan Lee , Woo-Gi Shin
IPC分类号： H01F41/02 , C21D8/06 , C21D8/12 , C22C38/00 , C22C38/04 , C22C38/06 , H01F1/14 , B21C1/00 , H01F1/01 , C22C38/02
CPC分类号： H01F41/02 , B21C1/00 , C21D8/06 , C21D8/065 , C21D8/12 , C22C38/001 , C22C38/02 , C22C38/04 , C22C38/06 , H01F1/01 , H01F1/143
摘要： A wire rod and steel wire having superior magnetic characteristics and a method for manufacturing same, wherein the wire rod and the steel wire can be used in transformers, vehicles, electric or electronic products, or the like which require low iron loss and high permeability. Provided are a wire rod and steel wire having superior magnetic characteristics and a method for manufacturing same, wherein the wire rod or the steel wire comprises, by wt %, 0.03 to 0.05% of C, 3.0 to 5.0% of Si, 0.1 to 2.0% of Mn, 0.02 to 0.08% of Al, 0.0015 to 0.0030% of N, and the remainder being Fe and unavoidable impurities. The wire rod and steel wire having directional properties may be provided by a general manufacturing process without using expensive alloying elements and without having to add a manufacturing facility.

9. 发明授权

US09394580B2 High-toughness cold-drawn non-heat-treated wire rod, and method for manufacturing same 有权
标题翻译：高韧性冷拉非热处理线材及其制造方法
公开(公告)号：US09394580B2
公开(公告)日：2016-07-19
申请号：US13824667
申请日：2011-11-21
申请人： You-Hwan Lee , Dong-Hyun Kim
发明人： You-Hwan Lee , Dong-Hyun Kim
IPC分类号： C21D7/10 , C21D8/06 , B21C1/00 , C21D7/00 , C21D9/52 , C22C38/04 , C22C38/38 , C22C38/02
CPC分类号： C21D8/065 , B21C1/003 , C21D7/00 , C21D7/10 , C21D9/525 , C22C38/02 , C22C38/04 , C22C38/38
摘要： Provided is a wire rod for use in mechanical structure connections, vehicle components, or the like, and more particularly, to a wire rod which has superior toughness without being subjected to a heat treatment, and the strength of which is ensured through a cold-drawing process. Tot his end, provided are a high-toughness cold-drawn non-heat-treated wire rod and a method for manufacturing the same, wherein the wire rod comprises in % by weight: 0.2 to 0.3% of carbon (C), 0.1 to 0.2% of silicon (Si), 2.5 to 4.0% of manganese (Mn), 0.035% or less (but not 0%) of phosphorus (P), 0.04% or less (but not 0%) of sulfur (S), the remainder being iron (Fe) and unavoidable impurities.
摘要翻译：本发明提供一种用于机械结构连接，车辆部件等的线材，更具体地说，涉及一种具有优异韧性而不经受热处理的线材，其强度通过冷 - 绘图过程。尽管如此，提供了一种高韧性冷拉非热处理线材及其制造方法，其中线材包含重量百分比：碳（C）的0.2〜0.3％，碳（C）的0.1〜0.3％ 0.2％硅（Si），2.5〜4.0％锰（Mn），0.035％以下（但不为0％）的磷（P），0.04％以下（但不为0％）的硫（S）余量为铁（Fe）和不可避免的杂质。

10. 发明授权

US08715429B2 Non-heat treated rolled steel and drawn wire rod with excellent toughness, and method for manufacturing the same 有权
标题翻译：非热处理轧制钢和韧性优良的拉丝线材及其制造方法
公开(公告)号：US08715429B2
公开(公告)日：2014-05-06
申请号：US13384779
申请日：2010-08-04
申请人： You-Hwan Lee , Dong-Hyun Kim , Sang-Yoon Lee , Ha-Ni Kim , Yong-Sik Park
发明人： You-Hwan Lee , Dong-Hyun Kim , Sang-Yoon Lee , Ha-Ni Kim , Yong-Sik Park
IPC分类号： C22C38/02 , C22C38/04 , C21D8/06 , C21D7/13
CPC分类号： C22C38/02 , C21D8/021 , C21D8/0263 , C21D8/06 , C21D2211/005 , C21D2211/009 , C22C38/04
摘要： There is provided a rolled steel with excellent toughness, a drawn wire rod prepared by drawing the rolled steel, and a method for manufacturing the same, in which even if a heating step is omitted, the toughness of the steel can be improved by securing a degenerated pearlite structure in an internal structure of the rolled steel by controlling a content of Mn among components and cooling conditions, and then preventing C diffusion. The rolled steel according to the present invention includes C: 0.15˜0.30%, Si: 0.1˜0.2%, Mn: 1.8˜3.0%, P: 0.035% or less, S: 0.040% or less, the remainder Fe, and other inevitable impurites, as a percentage of weight, in which the microstucture of the rolled steel is composed of ferrite and pearlite including cementite with 150 nm or less of thickness.
摘要翻译：提供具有优异韧性的轧制钢，通过拉制轧制钢制备的拉丝线及其制造方法，其中即使省略加热步骤，也可以通过确保钢的韧性来提高钢的韧性通过控制成分中的Mn含量和冷却条件，然后防止C扩散，在轧制钢的内部结构中退化珠光体组织。根据本发明的轧制钢包括C：0.15〜0.30％，Si：0.1〜0.2％，Mn：1.8〜3.0％，P：0.035％以下，S：0.040％以下，剩余部分Fe等不可避免的杂质占重量的百分比，其中轧制钢的组织由铁素体和珠光体组成，包括厚度在150nm以下的渗碳体。

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