公开(公告)号：KR1020140000399A

公开(公告)日：2014-01-03

申请号：KR1020120067242

申请日：2012-06-22

Applicant: 현대자동차주식회사

Inventor： 김소연 ,  정재규

IPC: B21D22/02 ,  C21D8/02

CPC classification number: C21D7/13 ,  B21D22/02 ,  B21D37/16 ,  B30B15/34

Abstract: The present invention relates to a method for manufacturing a lightweight hot stamping material, wherein the method is to manufacture a hot stamping material, which is lightweight, without the degrading of strength, running noise, and vibration (NVH) performance by maintaining the prior thickness. The method includes a first step of heating a hot stamping material in a heating furnace so that the temperature of an aluminum-silicone coating steel blank becomes more than the transformation point of AC3; a second step of transferring the two heated aluminum-silicone coating steel blanks to a press; a third step of performing a pressing-sudden cooling process by inserting an aluminum plate between the two aluminum-silicone coating steel blanks transferred to the press; and a fourth step for performing a trim process on the protruding part caused by the pressing-sudden cooling process.

Abstract translation: 本发明涉及一种轻质热冲压材料的制造方法，其特征在于，该方法是通过保持先前的厚度来制造轻质的热冲压材料，而不会降低强度，运行噪音和振动（NVH）性能 。 该方法包括在加热炉中加热热冲压材料的第一步骤，以使铝硅氧烷涂层钢坯的温度变得超过AC3的转变点; 将两个加热的铝 - 硅涂层钢坯料转移到压机的第二步骤; 通过将铝板插入转移到压机的两个铝硅酮涂层钢坯之间进行按压突然冷却过程的第三步骤; 以及第四步骤，用于对通过按压突然冷却过程引起的突出部分进行修整处理。

公开(公告)号：KR101113666B1

公开(公告)日：2012-02-14

申请号：KR1020080079405

申请日：2008-08-13

Applicant: 현대자동차주식회사 ,  기아자동차주식회사

Inventor： 김소연 ,  홍승현

IPC: C22C38/04 ,  C22C38/00

CPC classification number: C22C38/02 ,  C21D8/0405 ,  C21D8/0421 ,  C21D2211/001 ,  C22C38/04 ,  C22C38/06

Abstract: 망간을 15～25중량% 포함하는 오스테나이트 기지조직의 초고강도 트윕 강판이 소개된다. 이 트윕 강판은, 냉간 압연 후 열처리 과정에서 황동 방위가 억제되고 {3 5 2} 가 주방위로 발달된 재결정 집합조직을 가지며, 평균 소성변형비가 적어도 1.2 이상, 바람직하게는 1.5 이상이다. 이러한 트윕 강판은 가공성 및 강도가 우수하여, 프레스 성형을 통해 크랙이나 터짐 없이 복잡한 형상의 차체 부품을 손쉽게 제작할 수 있다.
트윕강, 쌍정, 집합조직, 황동 방위, 어닐링

公开(公告)号：KR101080727B1

公开(公告)日：2011-11-07

申请号：KR1020090024715

申请日：2009-03-24

Applicant: 현대자동차주식회사 ,  기아자동차주식회사

Inventor： 김소연 ,  홍승현

IPC: C21D8/02 ,  C22C38/00

Abstract: 냉간압연과소둔공정의정밀한제어를통해항복강도를향상시킬수 있는트윕강판및 그제조방법이소개된다. 이초고강도트윕강판은중량%로, 탄소 0.15∼0.30%, 실리콘 0.01∼0.03%, 망간 15∼25%, 알루미늄 1.2∼3.0%, 인 0.020% 이하, 황 0.001∼0.002%, 나머지철 및기타불가피한불순물을포함하는조성을갖는오스테나이트기지조직의열연압연강판을, 냉간압하율 60~73.5%으로냉간압연하고, 900~1000℃에서연속소둔열처리하여제조된다.

公开(公告)号：KR101714121B1

公开(公告)日：2017-03-09

申请号：KR1020140163758

申请日：2014-11-21

Applicant: 현대자동차주식회사

Inventor： 김소연

IPC: B23K26/211 ,  B23K35/22

CPC classification number: C22C38/04 ,  B23K26/21 ,  B23K26/322 ,  B23K2201/185 ,  B23K2203/08 ,  C21D6/001 ,  C21D6/005 ,  C21D9/505 ,  C21D9/525 ,  C21D10/00 ,  C22C38/08

Abstract: 본발명은도금강판을이용하여테일러웰디드브랭크제조시용접부의품질을향상시키면서제조시간을단축시킬수 있는테일러웰디드블랭크제조방법에관한것으로서, 본발명의일 실시예에따른테일러웰디드블랭크제조방법은이종두께또는강도를갖는한 쌍이상의이종도금강판을필러와이어를이용하여레이저용접하는것을특징으로한다.

Abstract translation: 制造定制焊接坯料的方法可以提高焊接部件的质量并缩短当使用涂覆钢板制造裁缝焊接坯料时的制造时间。 制造定制焊接坯件的方法包括使用填充焊丝用激光焊接具有不同厚度或强度的一对或多对不同涂层钢板。

公开(公告)号：KR1020160061560A

公开(公告)日：2016-06-01

申请号：KR1020140163758

申请日：2014-11-21

Applicant: 현대자동차주식회사

Inventor： 김소연

IPC: B23K26/211 ,  B23K35/22

CPC classification number: C22C38/04 ,  B23K26/21 ,  B23K26/322 ,  B23K2201/185 ,  B23K2203/08 ,  C21D6/001 ,  C21D6/005 ,  C21D9/505 ,  C21D9/525 ,  C21D10/00 ,  C22C38/08

Abstract: 본발명은도금강판을이용하여테일러웰디드브랭크제조시용접부의품질을향상시키면서제조시간을단축시킬수 있는테일러웰디드블랭크제조방법에관한것으로서, 본발명의일 실시예에따른테일러웰디드블랭크제조방법은이종두께또는강도를갖는한 쌍이상의이종도금강판을필러와이어를이용하여레이저용접하는것을특징으로한다.

Abstract translation: 本发明涉及一种用于制造裁缝焊接坯件的方法，其可以提高焊接部分的质量并缩短当使用涂覆钢板制造裁缝焊接坯件时的制造时间。 根据本发明的实施例，用于制造裁缝焊接坯件的方法被配置为使用填充焊丝用激光焊接具有不同厚度或强度的一对或多对不同涂层钢板。

公开(公告)号：KR1020090010829A

公开(公告)日：2009-01-30

申请号：KR1020070074239

申请日：2007-07-24

Applicant: 현대자동차주식회사

Inventor： 김소연

IPC: C23F1/16 ,  C23F1/28

CPC classification number: C23F1/28 ,  C09K13/06 ,  G01N1/32

Abstract: An etchant for microstructure analysis of interstitial free steel is provided to improve measurement reliability by efficiently preventing ghost grains and stepped corrosion, etc., thereby preventing error from generating when analyzing the grain size and measuring the microstructure. An etchant for microstructure analysis of interstitial free steel comprises less than 0.05% by weight of carbon. The etchant for microstructure analysis of interstitial free steel is a composition prepared by adding 0.1 to 2 ml of hydrochloric acid to 100 ml of a mixed solution comprising 1 to 5 g of picric acid, 3 to 5 ml of nitric acid, and the balance of methanol or ethanol.

Abstract translation: 提供无间隙钢的微结构分析的蚀刻剂，通过有效地防止重影和阶梯腐蚀等来提高测量可靠性，从而防止在分析晶粒尺寸和测量微结构时产生误差。 无间隙钢的微观结构分析用蚀刻剂含有小于0.05重量％的碳。 无间隙钢的微观结构分析用蚀刻剂是将0.1〜2ml盐酸加入到100ml含有1〜5g苦味酸，3〜5ml硝酸的混合溶液中而制备的组合物，余量为 甲醇或乙醇。

公开(公告)号：KR101894839B1

公开(公告)日：2018-09-05

申请号：KR1020120067242

申请日：2012-06-22

Applicant: 현대자동차주식회사

Inventor： 김소연 ,  정재규

IPC: C21D7/13 ,  B21D22/02 ,  B21D37/16 ,  B30B15/34

Abstract: 본발명은경량화된핫스탬핑소재의제조방법에관한것으로핫스탬핑소재의제조방법에있어서, 가열로내에서알루미늄-실리콘도금강블랭크의온도가 AC3 변태점이상이되도록가열하는제 1 단계, 상기가열된알루미늄-실리콘도금강블랭크두 개를프레스로이송하는제 2 단계, 상기프레스로이송된두 개의알루미늄-실리콘도금강블랭크사이에알루미늄판재를삽입하여프레싱-급냉공정을실시하는제 3 단계, 상기프레싱-급냉공정에의해돌출된부분에대해트림공정을실시하는제 4 단계를포함함으로써, 기존두께를유지하는것이가능하여주행소음및 진동(NVH)과강성성능의저하없이경량화된핫스탬핑소재의제조방법에관한것이다.

公开(公告)号：KR1020100106649A

公开(公告)日：2010-10-04

申请号：KR1020090024715

申请日：2009-03-24

Applicant: 현대자동차주식회사 ,  기아자동차주식회사

Inventor： 김소연 ,  홍승현

IPC: C21D8/02 ,  C22C38/00

CPC classification number: C21D8/0236 ,  C21D8/0226 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06

Abstract: PURPOSE: An ultra-high strength twip steel sheets and a manufacturing method thereof is provided to secure high yield strength by controlling an annealing process and a cold rolling process. CONSTITUTION: A manufacturing method of an ultra-high strength twip steel sheets comprise next steps. The hot-rolling steel plate of an austenite grain structure is cold-rolled at a cold compression rate 60~73.5%. A cooling-rolled steel sheet is continuously annealing-heat treated at 900~1000°C. A thermal processing annealing time is 2~5 minutes. A slab which is continuously casted and hot rolled at 1100~1300°C, and cooled at 60°C/sec.

Abstract translation: 目的：提供一种超高强度的双面钢板及其制造方法，通过控制退火处理和冷轧工序来确保高的屈服强度。 构成：超高强度双面钢板的制造方法包括以下步骤。 奥氏体晶粒结构的热轧钢板以60〜73.5％的冷压缩率进行冷轧。 冷轧钢板在900〜1000℃下进行连续热处理。 热处理退火时间为2〜5分钟。 在1100〜1300℃下连续铸造并热轧的板坯，以60℃/秒的速度冷却。

公开(公告)号：KR1020100020692A

公开(公告)日：2010-02-23

申请号：KR1020080079405

申请日：2008-08-13

Applicant: 현대자동차주식회사 ,  기아자동차주식회사

Inventor： 김소연 ,  홍승현

IPC: C22C38/04 ,  C22C38/00

CPC classification number: C22C38/02 ,  C21D8/0405 ,  C21D8/0421 ,  C21D2211/001 ,  C22C38/04 ,  C22C38/06

Abstract: PURPOSE: An ultra-high strength twip steel sheet and a manufacturing method thereof are provided to manufacture vehicle body parts of complex shape without crack or burst and obtain a lightweight vehicle body. CONSTITUTION: An ultra-high strength twip steel sheet of austenite matrix tissue including manganese 15~25 weight% is characterized as follows. The brass orientation is restricted in a thermal treatment process after cold rolling. In the recrystallization texture, {352} is developed as main orientation. The average plastic deformation ratio is 1.2 or greater. The composition includes, in weight percentage, carbon 0.15~0.30%, silicon 0.01~0.03%, manganese 15~25%, aluminum 1.2~3.0%, phosphorus 0.020% or less, sulfur 0.001~0.002%, and the rest iron. The Σ3 grain boundary fraction of misorientation angle of 60° is 10% or less. The grain boundary fraction of misorientation angle less than 5° is 50% or greater. The grain boundary fraction of misorientation angle over 15° is 40% or less.

Abstract translation: 目的：提供一种超高强度薄板钢板及其制造方法，以制造没有裂纹或爆裂的复杂形状的车身部件，并获得轻质车身。 构成：含有15〜25重量％的锰的奥氏体基质组织的超高强度的双面钢板的特征如下。 在冷轧后的热处理过程中，黄铜取向受到限制。 在再结晶织构中，{352} <221>被开发为主要取向。 平均塑性变形率为1.2以上。 组成包括重量百分比为0.15〜0.30％，硅0.01〜0.03％，锰15〜25％，铝1.2〜3.0％，磷0.020％以下，硫0.001〜0.002％，其余为铁。 60度方位角的Σ3晶界分数为10％以下。 取向角小于5°的晶界分数为50％以上。 15°以上的取向角的晶界分数为40％以下。