公开(公告)号：KR100439803B1

公开(公告)日：2004-07-12

申请号：KR1020020013813

申请日：2002-03-14

Applicant: 현대자동차주식회사

Inventor： 박순찬

IPC: G01N3/04

Abstract: PURPOSE: A high-cycle fatigue testing apparatus is provided improve reliability of a testing result of a high-cycle fatigue test and to linearly align a central axis of load in an easy manner by using two jig devices. CONSTITUTION: A sample jig(20) is divided into two semi-cylindrical jig sections, which are formed at outer portions thereof with male screws in such a manner that the sample jig(20) is screw-coupled into a female screw of a connection jig(10). The sample jig(20) is formed at a center thereof with a hollow section(21) in order to receive a test sample(30) therein. The hollow section(21) has a shape identical to a shape of a grip section(31) of the test sample(30). The hollow section(21) includes a first space section(21a) formed at an upper end thereof and a second space section(21b) having a funnel shape. The test sample(30) is movable between the first and second space sections(21a,21b). A diameter of the first space section(21a) is larger than a diameter of the grip section(31) of the test sample(30) in such a manner that a central axis of load automatically matches with an axis of the test sample(30) when load is applied thereto.

Abstract translation: 目的：提供一种高循环疲劳测试装置，其通过使用两个夹具装置以简单的方式提高高循环疲劳测试的测试结果的可靠性并且使负载的中心轴线线性对齐。 组成：样品夹具（20）被分成两个半圆柱形夹具部分，其外部形成有外螺纹，使得样品夹具（20）螺纹连接到连接的内螺纹 夹具（10）。 样品夹具（20）在其中心形成有中空部分（21），以便在其中接收测试样品（30）。 中空部分（21）具有与测试样品（30）的抓握部分（31）的形状相同的形状。 中空部分21包括形成在其上端的第一空间部分21a和具有漏斗形状的第二空间部分21b。 测试样品（30）可在第一和第二空间部分（21a，21b）之间移动。 第一空间部21a的直径比测试样本30的把持部31的直径大，使得负载的中心轴自动与测试样本30的轴线一致 ）当施加负载时。

公开(公告)号：KR100435325B1

公开(公告)日：2004-06-10

申请号：KR1020010085827

申请日：2001-12-27

Applicant: 현대자동차주식회사

Inventor： 박순찬

IPC: C22C23/04

CPC classification number: C22F1/06

Abstract: 본 발명은 마그네슘-아연계 고강도 내열 마그네슘 합금 및 이의 제조방법에 관한 것으로서, 더욱 상세하게는 이원계 Mg-Zn 합금에 특정 합금원소를 첨가하거나 특정 열처리를 포함한 제조 조건을 변경함으로써 상온에서의 강도, 경도, 연신율 및 특히 내열 특성으로서의 고온강도 등을 포함한 기계적 성질이 개선된 마그네슘 합금 및 이의 제조방법에 관한 것이다.

Abstract translation: 目的：提供一种具有良好物理性能，特别是高温耐热性的Mg-Zn合金及其制备方法。 构成：该方法包括以下步骤：（a）在690-720℃将Mg和Si加入Mg熔体中，然后搅拌; （b）冷却在炉中第一步制备的熔体; （c）将Zn和Ca加入第二步制备的熔体中，然后搅拌; （d）铸造熔体; （e）加工铸件; （f）在70至100℃下将铸造制品初次老化24至96小时; 和（g）在150至180℃下将铸造制品二次老化12至96小时。 本发明的高强度耐热合金包含3至10重量％的Zn，0.5至4.0重量％的Ag，0.1至4.0重量％的Si，0.1至2.0重量％的Ca和余量 的镁。

公开(公告)号：KR1020030096890A

公开(公告)日：2003-12-31

申请号：KR1020020033985

申请日：2002-06-18

Applicant: 현대자동차주식회사

Inventor： 박순찬

IPC: C22C23/04

Abstract: PURPOSE: A corrosion resistance improved high strength magnesium alloy is provided to reduce manufacturing cost and obtain new effect of high corrosion resistance by adding inexpensive new alloy elements to Mg-Zn-Ag ternary alloy developed as high strength alloy, and a manufacturing method of the same is provided. CONSTITUTION: The corrosion resistance improved magnesium alloy comprises 3.0 to 10.0 wt.% of Zn, 0.5 to 4.0 wt.% of Ag, 0.1 to 2.0 wt.% of Mn, 0.25 to 2.0 wt.% of Bi, a balance of Mg and other inevitable impurities, wherein the corrosion resistance improved magnesium alloy further comprises 0.25 to 2.0 wt.% of Pb. The manufacturing method of corrosion resistance improved magnesium alloy comprises the processes of adding Mn master alloy including Zn 10 to 20 wt.% and Ag to molten magnesium (Mg) inside a steel crucible at a temperature of 670 to 720 deg.C; agitating the melt using an agitator for 5 min; furnace cooling the agitated melt to a temperature of 660 to 670 deg.C; and agitating the melt again for 5 min after Zn, Bi and Pb are added to the furnace cooled melt.

Abstract translation: 目的：提供高强度镁合金的耐腐蚀性，通过向作为高强度合金开发的Mg-Zn-Ag三元合金中添加廉价的新合金元素来降低制造成本并获得高耐腐蚀性的新效果，以及制造方法 同样提供。 构成：镁合金的耐腐蚀性提高了3.0〜10.0重量％的Zn，0.5〜4.0重量％的Ag，0.1〜2.0重量％的Mn，0.25〜2.0重量％的Bi，余量的Mg和 其他不可避免的杂质，其中耐腐蚀性改善的镁合金还含有0.25-2.0重量％的Pb。 耐腐蚀性改善的镁合金的制造方法包括在670〜720℃的温度下，在钢坩埚内添加Zn为10〜20重量％的Mn母合金和Ag添加到熔融镁（Mg）的工序; 使用搅拌器搅拌熔体5分钟; 将搅拌的熔体冷却至660〜670℃的温度; 并在Zn，Bi和Pb添加到炉冷却的熔体中之后再次搅拌熔体5分钟。

公开(公告)号：KR100494514B1

公开(公告)日：2005-06-10

申请号：KR1020030025064

申请日：2003-04-21

Applicant: 현대자동차주식회사

Inventor： 박순찬

IPC: C22F1/06

CPC classification number: C22F1/06 ,  C22C1/005

Abstract: 본 발명은 반용융 성형용 마그네슘합금 빌렛의 제조방법에 관한 것으로서, 기존의 다이캐스팅용 합금으로 널리 사용되고 있는 AZ91D 마그네슘합금을 압출 및 압축공정을 통하여 소성변형을 유도하고, 변형유도 액상활성화 원리에 의한 등온유지 공정을 통하여 초정고상입자를 미세한 재결정 조직으로 형성함으로써, 성형제품의 기계적 성질을 향상시킬 수 있는 반용융 성형용 마그네슘합금 빌렛의 제조방법에 관한 것이다.
특히, 본 발명을 통한 공정조건을 적용하여 제조된 마그네슘합금 반용융 성형부품을 자동차의 파워트레인 부품, 샤시 부품, 내장재 부품 등의 소재로 적용할 경우에 기계적 특성이 향상되면서 기존의 성형공법으로는 제조하기가 힘들었던 후육부가 구비된 부품 및 형상이 복잡한 제품의 제조가 가능한 효과가 있다.

公开(公告)号：KR1020030091186A

公开(公告)日：2003-12-03

申请号：KR1020020029041

申请日：2002-05-24

Applicant: 현대자동차주식회사

Inventor： 박순찬

IPC: C22C23/04

Abstract: PURPOSE: A high strength magnesium alloy is provided to obtain a new magnesium alloy beneficial in the manufacturing cost aspect compared to an existing method by new structure refinement and introduction of reinforcing mechanism in accomplishment of alloy improvement according to addition of new alloy elements to Mg-Zn binary alloy. CONSTITUTION: In a high strength magnesium alloy comprising inevitable impurities and magnesium, the high strength magnesium alloy comprises 3.0 to 10.0 wt.% of zinc (Zn) for forming the magnesium alloy; 0.25 to 4.0 wt.% of manganese (Mn) added to the magnesium alloy to improve strength of the alloy through grain refinement in the extruded state; 0.05 to 0.3 wt.% of titanium (Ti) added to the magnesium alloy to additionally improve strength of the alloy by decreasing size of acicular precipitates and increasing density thereof; and 1.0 to 5.0 wt.% of indium (In).

Abstract translation: 目的：提供一种高强度镁合金，与现有的新方法相比，通过新的结构细化和加强机理，在合金改进的基础上，通过添加新的合金元素到Mg- Zn二元合金。 构成：在不可避免的杂质和镁的高强度镁合金中，高强度镁合金含有3.0〜10.0重量％的用于形成镁合金的锌（Zn）; 添加到镁合金中的锰（Mn）为0.25〜4.0重量％，以通过在挤出状态下的晶粒细化来提高合金的强度; 添加到镁合金中的钛（Ti）的0.05〜0.3重量％，通过减小针状析出物的大小，增加密度，进一步提高合金强度。 和1.0-5.0重量％的铟（In）。

公开(公告)号：KR1020030083149A

公开(公告)日：2003-10-30

申请号：KR1020020021576

申请日：2002-04-19

Applicant: 현대자동차주식회사

Inventor： 박순찬

IPC: C22C23/04

Abstract: PURPOSE: A magnesium alloy with improved strength at high temperature is provided, which has improved ordinary temperature strength as well as high temperature strength by improving addition method of alloy elements and adding alloy elements inexpensive compared to existing alloy elements, and a manufacturing method thereof is provided. CONSTITUTION: The magnesium alloy comprises 3.0 to 10.0 wt.% of Zn, 0.5 to 4.0 wt.% of Ag, 0.25 to 4.0 wt.% of Mn, 0.5 to 5.0 wt.% of mischmetal and a balance of Mg and other inevitable impurities, wherein content of the Zn is 5.0 to 7.0 wt.%, content of the Ag is 2.5 to 3.5 wt.%, content of the Mn is 0.75 to 2.0 wt.%, and content of the mischmetal is 1.0 to 3.0 wt.%. The manufacturing method of the magnesium alloy comprises the steps of adding 0.5 to 4.0 wt.% of Ag and 0.5 to 5.0 wt.% of mischmetal to magnesium melt at a temperature of 670 to 720 deg.C, adding Mn to the magnesium melt in Zn-10 to 20wt.% Mn master alloy type; agitating the melt for 5 minutes; adding Zn to the melt after furnace cooling the agitated melt to a temperature of 660 to 670 deg.C; and agitating the resultant melt again for 5 minutes, wherein the manufacturing method further comprises the step of secondly aging the firstly aged magnesium alloy at a temperature of 150 to 180 deg.C for 48 hours or more after first aging the magnesium alloy at a temperature of 70 to 100 deg.C for 24 to 96 hours.

Abstract translation: 目的：提供一种在高温下具有改善的强度的镁合金，通过改进常规的强度和高温强度，通过改进合金元素的添加方法和添加合金元素比现有的合金元件便宜，其制造方法是 提供。 构成：镁合金含有3.0〜10.0重量％的Zn，0.5〜4.0重量％的Ag，0.25〜4.0重量％的Mn，0.5〜5.0重量％的稀土金属和余量的Mg等不可避免的杂质 ，其中Zn的含量为5.0〜7.0重量％，Ag的含量为2.5〜3.5重量％，Mn的含量为0.75〜2.0重量％，混合稀土的含量为1.0〜3.0重量％ 。 镁合金的制造方法包括以下步骤：在670〜720℃的温度下，向镁熔体中加入0.5〜4.0重量％的Ag和0.5-5.0重量％的熔融金属，向该镁熔体中加入Mn Zn-10〜20wt。％Mn母合金型; 搅拌熔融物5分钟; 在将搅拌的熔融物冷却至660〜670℃的温度后，向熔体中添加Zn; 并再次搅拌所得熔体5分钟，其中所述制造方法还包括以下步骤：在镁合金在温度下第一次老化之后，在150至180℃的温度下将第一老化镁合金再次老化48小时或更长时间 为70〜100℃，持续24〜96小时。

公开(公告)号：KR1020040091280A

公开(公告)日：2004-10-28

申请号：KR1020030025064

申请日：2003-04-21

Applicant: 현대자동차주식회사

Inventor： 박순찬

IPC: C22F1/06

CPC classification number: C22F1/06 ,  C22C1/005

Abstract: PURPOSE: A method for manufacturing magnesium alloy billets for thixoforming is provided to improve mechanical properties of formed products by extruding and compressing AZ91D magnesium alloy, thereby impressing deformation by plastic working and forming primary solid particles into refined recrystallized structure through isothermal maintaining process. CONSTITUTION: In a method for manufacturing magnesium alloy billets for thixoforming comprising a step of passing an AZ91D magnesium alloy casting material passing through a casting material manufacturing process through extrusion and compression processes, and performing an isothermal maintaining process on the extruded and compressed casting material, the method comprises a step of performing a temperature increasing process of increasing temperature of the casting material to an isothermal maintenance temperature during the isothermal maintaining process to obtain primary solid particles having particle size of 40 to 60 micrometer, wherein the extrusion process is performed under the conditions that temperature is 350 to 400 deg.C, and an extrusion ratio is 30 to 50:1, wherein the compression process is performed under the conditions that temperature is 200 to 220 deg.C, and nominal strain is 20 to 40%, wherein the isothermal maintaining process is executed at temperature of 570 to 580 deg.C for 30 seconds to 3 minutes, and wherein the temperature increasing process is carried out by increasing temperature of the casting material to the isothermal maintenance temperature in a temperature increasing rate of 1.0 to 5.0 deg.C/sec.

Abstract translation: 目的：提供一种制造触变成型镁合金坯料的方法，通过挤压和压缩AZ91D镁合金来改善成型产品的机械性能，从而通过塑性加工产生变形，并通过等温保持工艺将初级固体颗粒形成精制再结晶结构。 构成：在用于制造用于触变成形的镁合金坯料的方法中，包括使通过挤出和压缩工艺通过铸造材料制造工艺的AZ91D镁合金铸造材料通过挤压和压缩铸造材料进行等温保持工艺的步骤， 该方法包括在等温保持过程中进行将铸造材料的温度升高到等温维持温度的升温过程以获得粒径为40至60微米的主要固体颗粒的步骤，其中挤出工艺在 温度为350〜400℃，挤出率为30〜50:1的条件下，压缩加工在温度为200〜220℃，标称应变为20〜40％的条件下进行， 其中等温保持过程在570至...的温度下执行 580℃持续30秒至3分钟，并且其中通过以1.0至5.0℃/秒的升温速率将铸造材料的温度升高至等温维持温度来进行升温过程。

公开(公告)号：KR100452263B1

公开(公告)日：2004-10-08

申请号：KR1020020029041

申请日：2002-05-24

Applicant: 현대자동차주식회사

Inventor： 박순찬

IPC: C22C23/04

Abstract: PURPOSE: A high strength magnesium alloy is provided to obtain a new magnesium alloy beneficial in the manufacturing cost aspect compared to an existing method by new structure refinement and introduction of reinforcing mechanism in accomplishment of alloy improvement according to addition of new alloy elements to Mg-Zn binary alloy. CONSTITUTION: In a high strength magnesium alloy comprising inevitable impurities and magnesium, the high strength magnesium alloy comprises 3.0 to 10.0 wt.% of zinc (Zn) for forming the magnesium alloy; 0.25 to 4.0 wt.% of manganese (Mn) added to the magnesium alloy to improve strength of the alloy through grain refinement in the extruded state; 0.05 to 0.3 wt.% of titanium (Ti) added to the magnesium alloy to additionally improve strength of the alloy by decreasing size of acicular precipitates and increasing density thereof; and 1.0 to 5.0 wt.% of indium (In).

Abstract translation: 目的：提供高强度镁合金以获得在制造成本方面有利的新镁合金，与现有方法相比，新结构细化和引入增强机制以实现合金改进，这是通过向Mg- Zn二元合金。 构成：在含有不可避免的杂质和镁的高强度镁合金中，高强度镁合金含有3.0-10.0重量％的锌（Zn）以形成镁合金; 在镁合金中添加0.25〜4.0重量％的锰（Mn），通过在挤压状态下的晶粒细化来提高合金的强度; 0.05〜0.3重量％的钛（Ti）添加到镁合金中以通过减小针状析出物的尺寸和增加其密度来额外地提高合金的强度; 和1.0至5.0重量％的铟（In）。

公开(公告)号：KR1020040042469A

公开(公告)日：2004-05-20

申请号：KR1020020070772

申请日：2002-11-14

Applicant: 현대자동차주식회사

Inventor： 박순찬

IPC: C22C23/02

Abstract: PURPOSE: A magnesium alloy is provided in which mechanical properties are improved by micronization of pro-eutectic solid grains by adding Ti and B to a commercially supplied AZ91D magnesium alloy in the semi-solid forming process, and a method for manufacturing the magnesium alloy is provided. CONSTITUTION: The magnesium alloy for semi-solid forming comprises 8.3 to 9.7 wt.% of Al, 0.35 to 1.0 wt.% of Zn, 0.15 to 0.5 wt.% of Mn, 0.1 to 0.5 wt.% of Ti, 0.05 to 0.1 wt.% of B and a balance of Mg and other inevitable impurities. The method for manufacturing a magnesium alloy for semi-solid forming comprises the steps of adding Ti and B as an Al-5 wt.%Ti-1 wt.%B master alloy to molten magnesium at a temperature of 670 to 720 deg.C; agitating the alloy using an agitator for 5 minutes; stationing the alloy at the same temperature for 30 to 60 minutes; furnace cooling the alloy to a temperature of 650 to 670 deg.C, and water cooling the furnace cooled alloy; and passing the alloy through isothermal and water cooling processes so as to manufacture a magnesium alloy comprising 8.3 to 9.7 wt.% of Al, 0.35 to 1.0 wt.% of Zn, 0.15 to 0.5 wt.% of Mn, 0.1 to 0.5 wt.% of Ti, 0.05 to 0.1 wt.% of B and a balance of Mg and other inevitable impurities, wherein the isothermal process is performed by maintaining the heated alloy at the same temperature for 10 to 30 minutes after heating the furnace cooled and water cooled magnesium alloy to a temperature of 570 to 590 deg.C.

Abstract translation: 目的：提供一种镁合金，其中通过在半固体成型工艺中将Ti和B加入到商业提供的AZ91D镁合金中，通过将共晶固体颗粒微粉化来改善机械性能，并且镁合金的制造方法是 提供。 构成：半固体成形用镁合金包含Al：Al：0.35〜1.09％，Al：0.35〜1.0重量％，Mn：0.15〜0.5重量％，Ti：0.1〜0.5重量％，Ti：0.05〜0.1 B的重量百分比以及Mg和其他不可避免的杂质的余量。 用于半固体成型的镁合金的制造方法包括以下步骤：在670-720℃的温度下，将Ti和B作为Al-5重量％Ti-1重量％B母合金添加到熔融镁中 ; 用搅拌器搅拌合金5分钟; 将合金在相同温度下放置30至60分钟; 炉内将合金冷却至650〜670℃，水冷却炉冷却合金; 并使合金通过等温和水冷工艺，以制造出包含8.3至9.7重量％的Al，0.35至1.0重量％的Zn，0.15至0.5重量％的Mn，0.1至0.5重量％的镁合金。 ％的Ti，0.05〜0.1重量％的B和余量的Mg等不可避免的杂质，其中通过在加热炉冷却和水冷却之后将加热的合金保持在相同的温度10至30分钟进行等温过程 镁合金，温度为570〜590℃。

公开(公告)号：KR1020030073990A

公开(公告)日：2003-09-19

申请号：KR1020020013813

申请日：2002-03-14

Applicant: 현대자동차주식회사

Inventor： 박순찬

IPC: G01N3/04

Abstract: PURPOSE: A high-cycle fatigue testing apparatus is provided improve reliability of a testing result of a high-cycle fatigue test and to linearly align a central axis of load in an easy manner by using two jig devices. CONSTITUTION: A sample jig(20) is divided into two semi-cylindrical jig sections, which are formed at outer portions thereof with male screws in such a manner that the sample jig(20) is screw-coupled into a female screw of a connection jig(10). The sample jig(20) is formed at a center thereof with a hollow section(21) in order to receive a test sample(30) therein. The hollow section(21) has a shape identical to a shape of a grip section(31) of the test sample(30). The hollow section(21) includes a first space section(21a) formed at an upper end thereof and a second space section(21b) having a funnel shape. The test sample(30) is movable between the first and second space sections(21a,21b). A diameter of the first space section(21a) is larger than a diameter of the grip section(31) of the test sample(30) in such a manner that a central axis of load automatically matches with an axis of the test sample(30) when load is applied thereto.

Abstract translation: 目的：提供一种高周疲劳试验装置，提高了高周疲劳试验结果的可靠性，并通过使用两个夹具装置，以容易的方式线性对准负载中心轴。 构成：样品夹具（20）被分成两个半圆柱形夹具部分，它们在外部部分形成有外螺纹，使得样品夹具（20）螺纹连接到连接件的内螺纹中 夹具（10）。 样品夹具（20）在其中心处形成有中空部分（21），以便在其中接收测试样品（30）。 中空部（21）具有与被检试样（30）的把持部（31）的形状相同的形状。 中空部21包括形成在其上端的第一空间部21a和漏斗状的第二空间部21b。 测试样品（30）可在第一和第二空间部分（21a，21b）之间移动。 第一空间部分（21a）的直径大于测试样品（30）的把持部分（31）的直径，使得中心轴线与测试样品（30）的轴线自动匹配 ）当施加负载时。