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公开(公告)号：KR1020120094327A
公开(公告)日：2012-08-24
申请号：KR1020110013765
申请日：2011-02-16
Applicant: 현대자동차주식회사 , 연세대학교 산학협력단
CPC classification number: C22C21/02 , B22D21/04 , C22C1/1036 , C22C2202/00
Abstract: PURPOSE: A method for fabricating wear-resistant and heat-resistant hypereutectic aluminum alloys by a field control is provided to control the generation of pore defects and a shrinkage of a product by forming a low injection temperature condition and to extend a lifetime of a mold. CONSTITUTION: A method for fabricating wear-resistant and heat-resistant hypereutectic aluminum alloys by a field control is as follows. A hypereutectic aluminum alloy contains Al as a basic component and 14.0 to 16.0wt.% of Si, 4.5 to 5.5wt.%, of Ni, 3.0 to 4.0wt.%, of Cu, maximum 1.0wt.% of Fe, and 0.7 to 1.0wt.% of Mg. The hypoeutectic aluminum alloy contains impurities such as Cr and Ti. A field control with respect to Al, Si, Ni, Cu, Fe, Mg, Cr, and Ti is performed through an electromagnetic stirring at a melting temperature of 585°C(S10). Molten metal is cast(S20).
Abstract translation: 目的：提供一种通过现场控制制造耐磨和耐热过共晶铝合金的方法，以通过形成低注射温度条件并延长模具的寿命来控制孔缺陷的产生和产品的收缩 。 构成：通过现场控制制造耐磨和耐热过共晶铝合金的方法如下。 过共晶铝合金含有Al作为碱性成分，14.0〜16.0重量％的Si，4.5〜5.5重量％的Ni，3.0〜4.0重量％的Cu，1.0重量％的Fe和0.7 至1.0重量％的Mg。 亚共晶铝合金含有Cr和Ti等杂质。 通过在585℃的熔融温度下的电磁搅拌进行相对于Al，Si，Ni，Cu，Fe，Mg，Cr和Ti的场控制（S10）。 熔铸金属（S20）。
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公开(公告)号：KR1020120094326A
公开(公告)日：2012-08-24
申请号：KR1020110013764
申请日：2011-02-16
Applicant: 현대자동차주식회사 , 연세대학교 산학협력단
CPC classification number: C22C21/02 , B22D21/04 , C22C1/1036 , C22C2202/00
Abstract: PURPOSE: A method for fabricating wear-resistant and heat-resistant hypoeutectic aluminum alloys by a field control is provided to improve efficiency by rapidly producing an alloy at a low casting temperature and to reduce a coefficient of thermal expansion by multiplying a content of silicon. CONSTITUTION: A method for fabricating wear-resistant and heat-resistant hypoeutectic aluminum alloys by a field control is as follows. A hypoeutectic aluminum alloy contains AL as a basic component and includes 8.0 to 10.0wt.% of Si, 1.5 to 2.5wt.% of Ni, 3.0 to 4.5wt.% of Cu, Fe maximum 1.0wt.%, and 0.7 to 1.0wt.% of Mg. The hypoeutectic aluminum alloy contains impurities such as Cr and Ti. A field control with respect to Al, Si, Ni, Cu, Fe, Mg, Cr, and Ti is performed through an electromagnetic stirring at a melting temperature of 585°C(S10). Molten metal is cast(S20).
Abstract translation: 目的：提供一种通过现场控制制造耐磨和耐热的亚共晶铝合金的方法，以通过在低铸造温度下快速生产合金来提高效率，并通过将硅含量乘以来降低热膨胀系数。 构成：通过现场控制制造耐磨和耐热的亚共晶铝合金的方法如下。 亚共晶铝合金含有AL作为碱性成分，包括8.0〜10.0重量％的Si，1.5〜2.5重量％的Ni，3.0〜4.5重量％的Cu，Fe最多为1.0重量％，0.7〜1.0 Mg的重量％。 亚共晶铝合金含有Cr和Ti等杂质。 通过在585℃的熔融温度下的电磁搅拌进行相对于Al，Si，Ni，Cu，Fe，Mg，Cr和Ti的场控制（S10）。 熔铸金属（S20）。
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公开(公告)号：KR101090702B1
公开(公告)日：2011-12-08
申请号：KR1020090057138
申请日：2009-06-25
Applicant: 현대자동차주식회사 , 기아자동차주식회사 , 주식회사 한국하우톤
IPC: C09D5/10
Abstract: 본발명은알루미늄백록저감조성물에관한것으로서, 더욱상세하게는알칼리금속메타실리케이트및 알칼리금속하이드록사이드가필수성분으로포함되어있음으로써, 별도의표면처리공정없이도알루미늄부품에방청기능을제공하여공정축소에의한비용절감과자동차용알루미늄부품의수명을향상시키는백록저감조성물에관한것이다.
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公开(公告)号：KR1020100138553A
公开(公告)日：2010-12-31
申请号：KR1020090057138
申请日：2009-06-25
Applicant: 현대자동차주식회사 , 기아자동차주식회사 , 주식회사 한국하우톤
IPC: C09D5/10
Abstract: PURPOSE: A composition for reducing white rust from aluminum is provided to improve the lifetime of an aluminum product for a vehicle by applying the corrosion resistance, and to offer the washing function to the aluminum product. CONSTITUTION: A composition for reducing white rust from aluminum contains 100 parts of alkali metal metasilicate by weight, and 0.1~20parts of alkali metal hydroxide by weight. The alkali metal metasilicate is selected from either metasilicate potassium and metasilicate sodium. The alkali metal hydroxide is selected from either potassium hydroxide or sodium hydroxide.
Abstract translation: 目的：提供一种用于降低铝的白锈的组合物，以通过施加耐腐蚀性来提高车辆铝产品的寿命，并为铝产品提供洗涤功能。 构成：用于减少铝的白锈的组合物含有100份重量的碱金属偏硅酸盐，和0.1〜20份碱金属氢氧化物。 偏硅酸碱金属硅酸盐选自偏硅酸钾和偏硅酸钠。 碱金属氢氧化物选自氢氧化钾或氢氧化钠。
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公开(公告)号：KR100551851B1
公开(公告)日：2006-02-13
申请号：KR1020030023590
申请日：2003-04-15
Applicant: 현대자동차주식회사
Inventor： 정병준
IPC: B22D27/20
Abstract: 본 발명은 반용융 주조법에 적용하기에 적합한 조직을 가지는 소재의 제조 방법으로 널리 알려져 있는 기존의 전자교반법에 의존하지 않으면서, 아공정(亞共晶) Al-Si계 주조용 합금에 결정립 미세화제를 첨가하고, 냉각속도를 향상시켜주는 등의 간단한 방법으로 반용융 주조법에 적용하기에 적합한 등축정계(等軸晶系)의 미세한 알파상 조직을 얻을 수 있도록 한 새로운 반용융 주조용 소재의 제조 방법에 관한 것이다.
이를 위해, 본 발명은 Al을 주성분으로 하고 Si 7중량%, Mg 0.5중량% 가 함유된 합금(AC4CH)에 Al을 주성분으로 하고 Ti 5중량%, B 1중량% 가 함유된 모합금을 첨가하는 것에 의해 0.2중량%의 Ti-B가 첨가되도록 하는 단계; 공정 Si의 개량처리를 위해 Sr 첨가하는 단계; 응고시의 냉각속도 향상을 위해 냉각속도 약 10℃/s를 제공하는 동(銅)금형을 이용하여 주조하는 단계로 이루어지는 것을 특징으로 하는 반용융 주조용 소재의 제조 방법을 제공한다.
반용융 주조, 미세화제, 동 금형, 등축정계, 알파상 조직-
Patent Agency Ranking
公开(公告)号：KR1020050009299A
公开(公告)日：2005-01-25
申请号：KR1020030048498
申请日：2003-07-16
Applicant: 현대자동차주식회사
Inventor： 정병준
IPC: B22D21/04
Abstract: PURPOSE: To provide a method for manufacturing automobile cylinder liner, the method capable of reducing residual stress of a cylinder bore part by increasing a contact area of a cast iron liner and an aluminum alloy covered on the outer circumferential surface of the liner, thereby improving close adhesion between the liner and a cylinder block so that contractile force is evenly applied to the whole cylinder liner. CONSTITUTION: The method for manufacturing automobile cylinder liner comprises the steps of setting a cast iron liner(12) having a certain surface roughness manufactured by centrifugal casting on bore pins of a mold; and ejecting molten aluminum alloy(13) into the inside of the mold at a high pressure, wherein the surface roughness of the cast iron liner is 200 μm or less, and wherein a strain gauge connected to a stress measuring device is attached to the outer circumferential surface of a cylinder bore part(11) of cylinder block(10), that is, an aluminum hoop part to measure stress of the cylinder bore part.
Abstract translation: 目的：提供一种制造汽车气缸套的方法，该方法能够通过增加覆盖在衬套的外圆周表面上的铸铁衬套和铝合金的接触面积来减少气缸孔部分的残余应力，从而改善 衬套与气缸体之间的密合性使得收缩力均匀地施加到整个气缸套上。 构成：制造汽车气缸套的方法包括将具有通过离心铸造制造的一定表面粗糙度的铸铁衬套（12）设置在模具的孔销上的步骤; 并将熔融铝合金（13）以高压喷射到模具的内部，其中铸铁衬垫的表面粗糙度为200μm以下，并且其中连接到应力测量装置的应变仪附接到外部 气缸体（10）的气缸孔部分（11）的圆周表面，即测量气缸孔部分的应力的铝箍部分。
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公开(公告)号：KR100513673B1
公开(公告)日：2005-09-08
申请号：KR1020030031183
申请日：2003-05-16
Applicant: 현대자동차주식회사
Inventor： 정병준
IPC: B22D25/00
Abstract: 본 발명은 자동차용 실린더 보어부의 변형저감 방법에 관한 것으로서, 실린더블록을 제조함에 있어서, 금형에 주철재 라이너를 장착하는 주조공정 시, 주철재 라이너 내측에 알루미늄이나 스테인레스 스틸 등으로 이루어진 보조라이너를 장착한 이중 라이너 구조로 형성하여 상기 실린더블록의 수축응력을 보조라이너가 균일하게 분산시켜 그 사이에 개재되어 있는 주철재 라이너의 수축을 전체적으로 균일하게 함으로써, 주조 후 실린더 보어부에서 발생하는 잔류응력에 의한 변형을 저감시키므로 결국 엔진의 성능 향상을 도모할 수 있는 자동차용 실린더 보어부의 변형저감 방법에 관한 것이다.
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公开(公告)号：KR1020040098877A
公开(公告)日：2004-11-26
申请号：KR1020030031183
申请日：2003-05-16
Applicant: 현대자동차주식회사
Inventor： 정병준
IPC: B22D25/00
Abstract: PURPOSE: To seek performance improvement of engines by mounting a supporting liner formed of aluminum or stainless steel on the inner side of a cast iron liner during a casting process of mounting the cast iron liner on a mold, thereby evenly distributing contraction stress of cylinder block by the supporting liner. CONSTITUTION: The method comprises a step of performing casting operation in the state that a cylindrical supporting liner (30) capable of evenly distributing contraction stress of the cylinder block all over the cast iron liner (20) is mounted on the inner side of a cast iron liner (20) during a high pressure casting process of cylinder block (10); and a step of separating the supporting liner from a cylinder bore part (11) during a separation process of separating a cast article from a mold after passing through casting and solidification steps, wherein a gap (31) is formed between the supporting liners by longitudinally cutting a side part of the supporting liner.
Abstract translation: 目的：通过在将铸铁衬垫安装在模具上的铸造过程中，将由铝或不锈钢形成的支撑衬垫安装在铸铁衬套的内侧上，从而均匀分布气缸体的收缩应力，以寻求发动机性能改进 由支撑衬垫。 构成：该方法包括以下步骤：在能够均匀地分布气缸体的整个铸铁衬套（20）的收缩应力的圆柱形支撑衬套（30）安装在铸件的内侧的状态下进行铸造操作 在气缸体（10）的高压铸造过程中，铁衬（20）; 以及在通过铸造和固化步骤之后将铸造件与模具分离的分离过程中将支撑衬套与气缸孔部分（11）分离的步骤，其中通过纵向在支撑衬套之间形成间隙（31） 切割支撑衬里的侧面部分。
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公开(公告)号：KR100475951B1
公开(公告)日：2005-03-10
申请号：KR1020030028543
申请日：2003-05-06
Applicant: 현대자동차주식회사
Inventor： 정병준
IPC: G01L1/00
Abstract: 본 발명은 자동차용 실린더 보어부 가공시의 응력 측정방법에 관한 것으로서, 알루미늄 실린더블록의 실린더 보어부를 가공할 때에 발생하는 알루미늄 후프(hoop)부의 균열 발생을 예측함에 있어서, 상기 실린더 보어부의 외주면인 알루미늄 후프부에 응력측정장치와 연결된 스트레인게이지를 장착한 후, 그 스트레인게이지 부위에 가공시의 윤활유 분위기를 견딜 수 있도록 점착제를 도포한 다음 상기 실린더 보어부의 응력을 측정하여 상기 알루미늄 후프부의 균열 발생을 예측 가능하도록 함으로써, 실린더 보어부의 가공방법에 대한 개선과 함께, 알루미늄 후프부의 균열 발생을 최소화할 수 있는 자동차용 실린더 보어부 가공시의 응력 측정방법에 관한 것이다.
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公开(公告)号：KR1020040089795A
公开(公告)日：2004-10-22
申请号：KR1020030023590
申请日：2003-04-15
Applicant: 현대자동차주식회사
Inventor： 정병준
IPC: B22D27/20
Abstract: PURPOSE: A manufacturing method of material for semi-solid casting is provided to manufacture material having structure properly applied to semi-solid casting method and improve physical properties of the material when applying the material to the semi-solid casting method by improving grain refinement and cooling rate in the solidifying process of cast alloy. CONSTITUTION: The method comprises a step of adding 0.2 wt.% of Ti-B to the alloy by adding a master alloy containing Al as a principal component, 5 wt.% of Ti and 1 wt.% of B to an alloy (AC4CH) containing Al as a principal component, 7 wt.% of Si and 0.5 wt.% of Mg; a step of adding Sr to the alloy for improvement treatment of eutectic Si; and a step of casting the alloy using a copper mold providing cooling rate of about 10 deg.K/sec to improve cooling rate during solidification, wherein the method further comprises a step of solidifying the heated material by maintaining the heated material at temperature of 580 deg.C for 120 seconds to precipitate alpha phase of the material after heating the material to temperature of 580 deg.C at which solid phase and liquid phase coexist by semi-solid casting method.
Abstract translation: 目的：提供半固态铸造材料的制造方法，以制造具有适用于半固态铸造方法的结构的材料，并且通过改善晶粒细化将材料施加到半固体铸造方法时改善材料的物理性能， 铸造合金凝固过程中的冷却速度。 方案：该方法包括通过向合金（AC4CH）中加入以Al为主成分的母合金，5重量％的Ti和1重量％的B添加0.2重量％的Ti-B， ）含有Al为主成分，7重量％的Si和0.5重量％的Mg; 在合金中添加Sr以改善共晶Si的处理的步骤; 以及使用提供约10度/秒的冷却速度的铜模铸造该合金的步骤，以改善凝固期间的冷却速度，其中该方法还包括通过将加热的材料保持在580℃的温度来固化加热的材料的步骤 在120℃下，将材料加热至580℃的温度，使固相和液相通过半固体铸造法共存而沉淀出α相。
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