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1. 发明申请

WO2012067473A3 HIGH-TOUGHNESS COLD-DRAWN NON-HEAT-TREATED WIRE ROD, AND METHOD FOR MANUFACTURING SAME 审中-公开
标题翻译：高韧性冷轧非热处理线及其制造方法
公开(公告)号：WO2012067473A3
公开(公告)日：2012-09-20
申请号：PCT/KR2011008883
申请日：2011-11-21
申请人： POSCO , LEE YOU-HWAN , KIM DONG-HYUN
发明人： LEE YOU-HWAN , KIM DONG-HYUN
IPC分类号： C22C38/00 , C21D8/06 , C22C38/04
CPC分类号： C21D8/065 , B21C1/003 , C21D7/00 , C21D7/10 , C21D9/525 , C22C38/02 , C22C38/04 , C22C38/38
摘要： The present invention relates to 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. To this end, provided are a high-toughness cold-drawn non-heat-treated wire rod and a method for manufacturing same, wherein the wire rod comprises 0.2 to 0.3% of C, 0.1 to 0.2% of Si, 2.5 to 4.0% of Mn, 0.035% or less (but not 0%) of P, 0.04% or less (but not 0%) of S, the remainder being Fe and unavoidable impurities.
摘要翻译：本发明涉及一种用于机械结构连接，车辆部件等的线材，更具体地，涉及一种具有优异韧性而不经受热处理的线材，其强度通过一个冷画过程。为此，提供了一种高韧性冷拉非热处理线材及其制造方法，其中，所述线材包括0.2〜0.3％的C，0.1〜0.2％的Si，2.5〜4.0％的Mn，0.035％以下（但不是0％）的P，0.04％以下（但不是0％）的S，余量为Fe和不可避免的杂质。

2. 发明申请

WO2011081360A2 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：WO2011081360A2
公开(公告)日：2011-07-07
申请号：PCT/KR2010009281
申请日：2010-12-23
申请人： POSCO , KIM DONG-HYUN , LEE YOU-HWAN , LEE SANG-YOON , CHO HYUNG-KEUN
发明人： KIM DONG-HYUN , LEE YOU-HWAN , LEE SANG-YOON , CHO HYUNG-KEUN
IPC分类号： C21D8/06 , C22C38/00 , C22C38/12
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.
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。

3. 发明申请

WO2011139117A3 HIGH-STRENGTH AND HIGH-TOUGHNESS ULTRAFINE WIRE ROD AND METHOD FOR PRODUCING SAME 审中-公开
标题翻译：高强度和高韧性超导线及其生产方法
公开(公告)号：WO2011139117A3
公开(公告)日：2012-05-18
申请号：PCT/KR2011003396
申请日：2011-05-06
申请人： POSCO , KIM DONG-HYUN , SHIN WOO-GI , LEE YOU-HWAN
发明人： KIM DONG-HYUN , SHIN WOO-GI , LEE YOU-HWAN
IPC分类号： C22C38/00 , C21D8/06 , C21D9/52
CPC分类号： C21D9/52 , C21D8/065 , C21D2211/003 , C21D2211/005 , C22C38/02 , C22C38/04
摘要： The present invention relates to a high-strength and high-toughness ultrafine wire rod and to a method for producing same, wherein the wire rod is a high-strength and high-toughness ultrafine carbon-steel wire rod produced by controlling a microstructure through process control without adding expensive alloying elements. The microstructure of the carbon-steel wire rod comprises 60% or greater by area percentage of a ferrite structure, with the remainder being a cementite structure, wherein the ferrite has a mean diameter of 15 µm or less.
摘要翻译：高强度高韧性超细线材及其制造方法技术领域本发明涉及一种高强度高韧性超细线材及其制造方法，其特征在于，所述线材是通过过程控制微观结构而制造的高强度高韧性超细碳素线材控制而不添加昂贵的合金元素。碳钢线材的微结构包含铁素体组织的面积百分比为60％以上，其余为渗碳体结构，铁素体的平均直径为15μm以下。

4. 发明申请

WO2011016676A2 NON-HEAT TREATED ROLLED STEEL AND DRAWN WIRE ROD WITH EXCELLENT TOUGHNESS, AND METHOD FOR MANUFACTURING THE SAME 审中-公开
标题翻译：具有优异韧性的非热处理的轧制钢丝和拉丝线及其制造方法
公开(公告)号：WO2011016676A2
公开(公告)日：2011-02-10
申请号：PCT/KR2010/005117
申请日：2010-08-04
申请人： POSCO , LEE, You-Hwan , KIM, Dong-Hyun , LEE, Sang-Yoon , KIM, Ha-Ni , PARK, Yong-Sik
发明人： LEE, You-Hwan , KIM, Dong-Hyun , LEE, Sang-Yoon , KIM, Ha-Ni , PARK, Yong-Sik
IPC分类号： C22C38/04 , C21D8/06
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 de-generated 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：提供了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，在轧制钢的内部结构中去除珠光体组织，然后防止C扩散。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，重量的百分比，其中轧制钢的微结构由铁素体和珠光体组成，包括厚度在150nm以下的渗碳体。

5. 发明申请

WO2010123315A3 HIGH STRENGTH, HIGH TOUGHNESS STEEL WIRE ROD, AND METHOD FOR MANUFACTURING SAME 审中-公开
标题翻译：高强度，高韧性钢丝绳及其制造方法
公开(公告)号：WO2010123315A3
公开(公告)日：2011-03-10
申请号：PCT/KR2010002568
申请日：2010-04-23
申请人： POSCO , KIM DONG-HYUN , LEE YOU-HWAN , LEE SANG-YOON , CHO HYUNG-KEUN
发明人： KIM DONG-HYUN , LEE YOU-HWAN , LEE SANG-YOON , CHO HYUNG-KEUN
IPC分类号： C22C38/00 , B21B1/16 , C21D8/06
CPC分类号： C22C38/12 , C22C38/001 , C22C38/06 , C22C38/14
摘要： The present invention relates to a high strength, high toughness steel wire rod and to a method for manufacturing same, and more particularly, to a high strength, high toughness steel wire rod useful in cold heading, etc., which not only uses less alloy elements and has an excellent dimensional accuracy compared to quenched and tempered steel wire rods produced by conventional heat treatment processes, but can also be manufactured by a simple method as compared to conventional steel wire rods that are not quenched and tempered. The steel wire rod of the present invention has a composition including nitrogen such that Al may be present in an amount of 0.07 to 0.14 wt % and the ratio of Al:N (i.e., the wt % of each element) can be 15:1 to 25:1. According to the present invention, a steel wire rod which has strength and toughness enhancing effects sufficient for a simple alloy component system can be obtained, and thus, a steel wire rod can be provided through processing by cold heading, etc. without additional heat treatment.
摘要翻译：本发明涉及一种高强度，高韧性钢线材及其制造方法，更具体地说，涉及一种用于冷镦等的高强度，高韧性钢线材，其不仅使用较少的合金元件，并且与通过常规热处理工艺制造的淬火和回火钢丝线相比具有优异的尺寸精度，但是也可以通过简单的方法制造，与不进行淬火和回火的常规钢丝棒相比。本发明的钢线材具有包含氮的组成，Al可以以0.07〜0.14重量％的量存在，Al：N的比例（即，各元素的重量％）可以为15:1 至25：1。根据本发明，可以获得对于简单的合金成分体系具有足够的强度和韧性提高效果的钢线材，因此，可以通过冷镦加工等而不需要额外的热处理来提供钢线材。

6. 发明申请

WO2012157902A3 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性能，高强度和高韧性的线材及其制造方法
公开(公告)号：WO2012157902A3
公开(公告)日：2013-01-17
申请号：PCT/KR2012003720
申请日：2012-05-11
申请人： POSCO , KIM DONG-HYUN , LEE YOU-HWAN , CHO HYUNG-KEUN
发明人： KIM DONG-HYUN , LEE YOU-HWAN , CHO HYUNG-KEUN
IPC分类号： C22C38/00 , C21D8/06
CPC分类号： C21D8/065 , C21D9/525 , C21D2211/005 , C21D2211/009 , C22C38/00 , C22C38/002 , C22C38/02 , C22C38/04 , C22C38/60
摘要： The present invention relates to a wire rod having high strength and high toughness, which suppresses the generation of surface oxide and has good superior surface properties through uniform oxide formation, and to a method for manufacturing same. For this purpose, According according to the present invention, a wire rod including comprising 0.005~ to 0.02 wtweight % of Sb, having good superior surface properties, high strength and high toughness, and a method for manufacturing same are provided.
摘要翻译：本发明涉及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且具有良好的表面性能及其制造方法。为此，根据本发明，提供一种包含0.005〜0.02重量％的Sb，具有良好的表面性，高强度，高韧性的线材及其制造方法。

7. 发明申请

WO2011078600A3 METHOD FOR PRODUCING A HIGH-STRENGTH AND HIGHLY DUCTILE TITANIUM ALLOY 审中-公开
标题翻译：用于生产高强度和高密度钛金属合金的方法
公开(公告)号：WO2011078600A3
公开(公告)日：2011-11-17
申请号：PCT/KR2010009272
申请日：2010-12-23
申请人： POSTECH ACAD IND FOUND , LEE CHONG-SOO , LEE YOU HWAN , KIM SUN MI , PARK CHAN HEE
发明人： LEE CHONG-SOO , LEE YOU HWAN , KIM SUN MI , PARK CHAN HEE
IPC分类号： B21B3/00 , C22C1/00 , C22C14/00
CPC分类号： C22C14/00 , C22F1/04
摘要： Disclosed is a method for producing a high-strength and highly ductile titanium alloy. The method for producing a high-strength and highly ductile titanium alloy comprises the following steps: providing a titanium alloy having a martensitic structure; and partially and dynamically spheroidizing a microstructure of said titanium alloy having a martensitic structure through heat and mechanical treatments. The method of the present invention produces a titanium alloy having a partially and dynamically spheroidized microstructure, and provides the titanium alloy with superior yield strength (YS) and uniform elongation (U.EL). The method of the present invention involves adjusting a rolling direction and deformation with respect to a layered microstructure, and thus enables the microstructure to have a micro-equiaxial structure and a layered structure coexisting therein. The method of the present invention can produce a titanium alloy having an improved product of yield strength and uniform elongation (YS×U.EL) as compared to conventional heat treatment methods.
摘要翻译：公开了一种高强度高韧性钛合金的制造方法。高强度，高韧性的钛合金的制造方法包括以下步骤：提供具有马氏体组织的钛合金; 并通过热和机械处理部分和动态地球化具有马氏体结构的所述钛合金的微观结构。本发明的方法生产具有局部和动态球化微观结构的钛合金，并提供具有优异屈服强度（YS）和均匀伸长率（U.EL）的钛合金。本发明的方法涉及调整相对于层叠微结构的轧制方向和变形，从而能够使微观结构具有微等轴结构和层叠结构共存。与常规热处理方法相比，本发明的方法可以生产具有改善的屈服强度和均匀伸长率（YS×U.EL）的钛合金。

8. 发明申请

WO2011037403A2 HIGH-CARBON SOFT WIRE ROD NOT REQUIRING SOFTENING TREATMENT AND MANUFACTURING METHOD THEREOF 审中-公开
标题翻译：高碳钢丝绳不需要软化处理及其制造方法
公开(公告)号：WO2011037403A2
公开(公告)日：2011-03-31
申请号：PCT/KR2010006496
申请日：2010-09-20
申请人： POSCO , LEE SANG-YOON , KWON JUNG-SEOK , KIM DONG-HYUN , KIM JOON-YOUNG , LEE YOU-HWAN
发明人： LEE SANG-YOON , KWON JUNG-SEOK , KIM DONG-HYUN , KIM JOON-YOUNG , LEE YOU-HWAN
IPC分类号： C21D8/06 , C22C38/00 , C22C38/02
CPC分类号： C22C38/02 , C21D6/005 , C21D8/06 , C21D9/52 , C21D9/525 , C22C38/04
摘要： Provided are a method for manufacturing a high-carbon soft wire rod which omits softening treatment and a wire rod manufactured thereby, and the method comprises the steps of: austenitizing a billet including 0.7-1.5 weight% of C, 0.005-2.0 weight% of Si, 0.2-1.5 weight% of Mn, 0.03 weight% or less of Al, 0.02 weight% or less of P, 0.02 weight% or less of S, and the remaining weight percent of Fe and necessary impurities at the temperature of A3 or more; performing a finish-rolling process at A1 to A1+80°C; and cooling the rolled wire rod to A1-50°C to A1-100°C at the cooling speed of 0.03°C/s.
摘要翻译：本发明提供一种省略软化处理的高碳软线材及其制造的线材的制造方法，其特征在于，包括以下步骤：将含有0.7〜1.5重量％的C，0.005〜2.0重量％的C， Si，0.2〜1.5重量％的Mn，0.03重量％以下的Al，0.02重量％以下的P，0.02重量％以下的S，剩余重量百分比的Fe和必需的杂质在A3或更多; 在A1〜A1 + 80℃进行精轧工序; 并以0.03℃/ s的冷却速度将轧制线材冷却至A1-50℃至A1-100℃。

9. 发明申请

WO2012015167A3 APPARATUS HAVING CIRCULATION TYPE COOLANT SPRAYER ATTACHED FOR CONDUCTING LOW TEMPERATURE PYRO TESTS AND METHOD FOR SAME 审中-公开
标题翻译：具有循环型冷却剂喷雾器的设备用于进行低温热重分析测试及其方法相同
公开(公告)号：WO2012015167A3
公开(公告)日：2012-03-22
申请号：PCT/KR2011004484
申请日：2011-06-20
申请人： LEE CHONG SOO , LEE TAE KYUNG , PARK SUNG HYUK , LEE YOU HWAN , LEE SUNG HAK , KIM YONG JIN
发明人： LEE CHONG SOO , LEE TAE KYUNG , PARK SUNG HYUK , LEE YOU HWAN , LEE SUNG HAK , KIM YONG JIN
IPC分类号： G01N3/20 , G01N3/18
CPC分类号： G01N3/32 , G01N2203/0073 , G01N2203/0228
摘要： An apparatus having a circulation type coolant sprayer attached for conducting low temperature pyro tests, according to the present invention, makes an extreme low-temperature, high-cycle pyro test possible in a short time by means of a rotation bending pyro test apparatus having a high test speed. The present invention relates to a low temperature pyro test apparatus having a circulation type coolant sprayer attached and comprising: a rotation bending test unit which grasps and fixes each of both ends of a test piece using a pair of rotating bodies, and connects one side of each rotating body to a weight so as to bias same toward the test piece and induce rotation bending of the test piece; and a coolant circulating unit which, prior to the rotation bending of the test piece, continuously circulates and pours coolant on the test piece until a lamp ON state is reached.
摘要翻译：根据本发明，具有用于进行低温焦化试验的附有循环型冷却剂喷雾器的装置通过旋转弯曲高温试验装置在短时间内进行极端低温高循环高温试验，所述旋转弯曲高温试验装置具有高测试速度。本发明涉及一种具有循环式冷却剂喷雾器的低温高温测试设备，其包括：旋转弯曲测试单元，其使用一对旋转体来抓握并固定测试件的两端中的每一端，并且将旋转弯曲测试单元的一侧每个旋转体具有一定的重量，以便朝向试件偏压该试件并引起试件的旋转弯曲; 以及冷却剂循环单元，其在测试片的旋转弯曲之前使得冷却剂连续地循环和倾倒到测试片上直到达到灯开启状态。

10. 发明申请

WO2011081360A3 ULTRA-HIGH-STRENGTH STEEL WIRE HAVING EXCELLENT RESISTANCE TO DELAYED FRACTURE AND MANUFACTURING METHOD THEREOF 审中-公开
公开(公告)号：WO2011081360A3
公开(公告)日：2011-07-07
申请号：PCT/KR2010/009281
申请日：2010-12-23
申请人： POSCO , KIM, Dong-Hyun , LEE, You-Hwan , LEE, Sang-Yoon , CHO, Hyung-Keun
发明人： KIM, Dong-Hyun , LEE, You-Hwan , LEE, Sang-Yoon , CHO, Hyung-Keun
IPC分类号： C21D8/06 , C22C38/00 , C22C38/12
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.

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