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。

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.

公开(公告)号：US20130189148A1

公开(公告)日：2013-07-25

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 ,  B21C1/00 ,  H01F1/01

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.

摘要翻译： 具有优异的磁特性的线材和钢丝及其制造方法，其中线材和钢丝可用于需要低铁损和高渗透性的变压器，车辆，电气或电子产品等中。 本发明提供一种具有优良磁特性的线材和钢丝及其制造方法，其中线材或钢丝以重量％计含有C 0.03〜0.05％，Si 3.0〜5.0％，Si：0.1〜2.0 Mn的％，Al的0.02〜0.08％，N的0.0015〜0.0030％，余量是Fe和不可避免的杂质。 具有定向特性的线材和钢丝可以通过一般的制造工艺提供，而不需要使用昂贵的合金元素，而不需要添加制造设备。

公开(公告)号：US20130048159A1

公开(公告)日：2013-02-28

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： C21D9/52 ,  C22C38/04 ,  C22C38/02

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。