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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:KR1020100102301A
公开(公告)日:2010-09-24
申请号:KR1020090020609
申请日:2009-03-11
Applicant: 현대자동차주식회사
Inventor: 강희삼
IPC: C22C21/10
CPC classification number: C22C21/10 , C22C2202/00
Abstract: PURPOSE: An abrasion-resistant aluminum alloy for a vehicle is provided to improve abrasion-resistance and mechanical properties by uniformly dispersing soft and hard particles. CONSTITUTION: An abrasion-resistant aluminum alloy for a vehicle is composed of zinc 38~43 weight%, copper 2.5~3.5 weight%, silicon 8~9 weight%, manganese 0.2~0.5 weight%, and inevitable impurities. The main ingredient of the aluminum alloy is aluminum which is soft particles. The aluminum alloy reduces a friction coefficient. The silicon is hard particles and improves abrasion-resistance of the aluminum alloy.
Abstract translation: 目的:提供一种用于车辆的耐磨铝合金,以通过均匀分散软和硬颗粒来改善耐磨性和机械性能。 构成:车用耐磨铝合金由38〜43重量%的锌,2.5〜3.5重量%的铜,8〜9重量%的硅,0.2〜0.5重量%的锰和不可避免的杂质组成。 铝合金的主要成分是软质颗粒铝。 铝合金减少摩擦系数。 硅是硬质颗粒,提高铝合金的耐磨性。
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公开(公告)号:KR1020080102560A
公开(公告)日:2008-11-26
申请号:KR1020070049165
申请日:2007-05-21
Applicant: 현대자동차주식회사
Inventor: 강희삼
IPC: C22C21/02
CPC classification number: C22C21/02 , C22C2202/00 , F02F1/24
Abstract: High thermal resistance aluminium alloy for cylinder head is enhanced in tensile strength over 20% by dispersion strengthening effect obtained by adding Sn to multi-component aluminium alloy and applying T6 heat treatment. High thermal resistance aluminium alloy for cylinder head is produced by casting aluminium(Al) as the main component, and silicon(Si) 7~12 weight%, copper(Cu) 2~4 weight%, magnesium(Mg) 0.2~0.6 weight%, antimony(Sb) 0.2~0.4 weight%, and tin(Sn) 0.005~0.2 weight%, and applying T6 heat treatment.
Abstract translation: 用于气缸盖的高耐热铝合金通过将Sn添加到多组分铝合金并应用T6热处理而获得的分散强化效果增强了拉伸强度超过20%。 以铝(Al)为主要成分,以硅(Si)7〜12重量%,铜(Cu)2〜4重量%,镁(Mg)0.2〜0.6重量% %,锑(Sb)0.2〜0.4重量%,锡(锡)0.005〜0.2重量%,应用T6热处理。
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公开(公告)号:KR1020080041364A
公开(公告)日:2008-05-13
申请号:KR1020060109386
申请日:2006-11-07
Applicant: 현대자동차주식회사
Inventor: 강희삼
IPC: C22C21/02
CPC classification number: C22C21/04 , C22C1/1036 , C22C1/1094 , C22C2202/00 , C22F1/043
Abstract: A hypereutectic Al-Si alloy for aluminum liners and a manufacturing method thereof are provided, wherein the hypereutectic Al-Si alloy has wear resistance, dimensional stability, formability, and thermal conductivity that are at least the same levels as those of an existing aluminum liner workpiece by optimizing distribution and size of Si particles using P-Sr-TiB2 melt treatment and T6 heat treatment. A hypereutectic Al-Si alloy for aluminum liners is manufactured by adding 0.01 to 0.2 wt.% of strontium(Sr), 0.01 to 0.2 wt.% of TiB2 and 50 to 200 ppm of phosphorous(P), in the form of a master alloy, into an Al-Si alloy comprising Al as a principal component and 13 to 25 wt.% of silicon(Si). A manufacturing method of a hypereutectic Al-Si alloy for aluminum liners comprises: melting a workpiece manufactured by adding 0.01 to 0.2 wt.% of strontium(Sr), 0.01 to 0.2 wt.% of TiB2 and 50 to 200 ppm of phosphorous(P), in the form of a master alloy, into an Al-Si alloy comprising Al as a principal component and 13 to 25 wt.% of silicon(Si); pouring the melt into a mold to solidify the melt; and subjecting the solidified melt to a T6 heat treatment at a temperature of 520 to 540 deg.C for 2 to 5 hours to spheroidize eutectic Si of a fibrous state.
Abstract translation: 提供了一种用于铝衬垫的过共晶Al-Si合金及其制造方法,其中过共晶Al-Si合金具有至少与现有铝衬垫相同的耐磨性,尺寸稳定性,成形性和导热性 通过使用P-Sr-TiB2熔体处理和T6热处理优化Si颗粒的分布和尺寸来实现工件。 通过以主体的形式添加0.01〜0.2重量%的锶(Sr),0.01〜0.2重量%的TiB 2和50〜200ppm的磷(P),制造用于铝衬里的过共晶Al-Si合金。 合金成为以Al为主成分的Al-Si合金和13〜25重量%的硅(Si)。 用于铝衬垫的过共晶Al-Si合金的制造方法包括:通过添加0.01至0.2重量%的锶(Sr),0.01至0.2重量%的TiB 2和50至200ppm的磷(P ),以Al合金为主成分,含有13〜25重量%的硅(Si)的Al-Si合金。 将熔体倒入模具中以固化熔体; 并在520〜540℃的温度下对凝固的熔体进行T6热处理2〜5小时,以对纤维状态的共晶Si进行球化。
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