KR100343309B1 - Hot chamber castable zinc alloy - Google Patents
Hot chamber castable zinc alloy Download PDFInfo
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- KR100343309B1 KR100343309B1 KR1019960705161A KR19960705161A KR100343309B1 KR 100343309 B1 KR100343309 B1 KR 100343309B1 KR 1019960705161 A KR1019960705161 A KR 1019960705161A KR 19960705161 A KR19960705161 A KR 19960705161A KR 100343309 B1 KR100343309 B1 KR 100343309B1
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Abstract
Description
본 발명은 고온챔버기(hot chamber machine)에서 가압하에 주조되는 Al 및 Cu을 함유하는 아연을 베이스로 하는 합금에 관한 것이다.The present invention relates to an alloy based on zinc containing Al and Cu that is cast under pressure in a hot chamber machine.
그와 같은 상기 합금은 "SAE technical paper series 930788. ACuZinc : improved zinc alloys for die casting application, M.D. Hanna and M.S. Rashid. International Congress and Exposition Detroit, Michigan, March 1-5, 1993." 에 기재되어있다. 이 공지의 합금은 " ACuZinc 5"로 불리고, Cu 5.0-6.0%, Al 2.8-3.3% 및 Mg 0.025-0.05%, 나머지는 Zn으로 구성되어 있다(본 특허 출원에서 모든 %는 중량%이다). 이 합금의 크리프내성은 고온 챔버에서 장기간에 주조되어진 Zamak 또는 ZA 합금보다 우수하지만, 여전히 크리프내성은 상대적으로 낮다.Such alloys are described in "SAE technical paper series 930788. ACuZinc: improved zinc alloys for die casting application, M.D. Hanna and M.S. Rashid. International Congress and Exposition Detroit, Michigan, March 1-5, 1993." Described in This known alloy is called "ACuZinc 5" and consists of Cu 5.0-6.0%, Al 2.8-3.3% and Mg 0.025-0.05%, the remainder being Zn (all percentages in this patent application are by weight). The creep resistance of this alloy is superior to Zamak or ZA alloys that have been cast for a long time in high temperature chambers, but still have relatively low creep resistance.
본 발명의 목적은 상기에 공지된 합금보다 더 좋은 크리프내성을 강지는 상기에 언급된 합금을 제공하는 것이다.It is an object of the present invention to provide the above-mentioned alloys which are more resistant to creep resistance than the alloys known above.
결국, 본 발명에 따른 합금은 중량%로 다음을 함유한다:After all, the alloy according to the invention contains, in weight percent:
5-20 Al, 8-10 Cu, 0.01-2 Si, 0.1까지 Mg, 0.5까지 Ti, 0.5까지 Cr, 1까지 Mn, 0.5까지 Nb 및 희토류 금속 또는 금속 혼합물 0.1이하로 구성되며, 상기 조성물은 이후에 변형체 I으로 불리는 것, 또는 25-30 Al, 15-20 Cu, 0.01-2 Si, 0.1까지 Mg, 0.5까지 Ti, 0.5까지 Cr, 1까지 Mn, 0.5까지 Nb 및 희토류 금속 또는 금속 혼합물 0.1까지로 구성되며, 상기 조성물은 이후에 변형체 Ⅱ로 불리는 것의 어느것을 함유하며, 나머지는 아연과 아연 및 합금원소중에 불가피하게 존재하는 불순물이다.5-20 Al, 8-10 Cu, 0.01-2 Si, up to 0.1 Mg, up to 0.5 Ti, up to 0.5 Cr, up to 1 Mn, up to 0.5 Nb and rare earth metal or metal mixture up to 0.1, wherein the composition is then To variant I, or 25-30 Al, 15-20 Cu, 0.01-2 Si, up to 0.1 Mg, up to 0.5 Ti, up to 0.5 Cr, up to 1 Mn, up to 0.5 Nb and rare earth metals or metal mixtures up to 0.1 Wherein the composition contains any of what is hereafter referred to as variant II, and the remainder are impurities inevitably present in zinc and zinc and alloying elements.
실제로, 한편에서 액체 상태로 460℃를 초과하지 온도로 액체상태로 있는 두 종류의 변형체는 고온 챔버에서 주조되는 강에 대해 낮은 침식성을 나타내고, 또 다른 한편에서 주조 상태에 있는 변형체 I은 양호한 크리프내성 및 우수한 인장강도를 나타내고, 반면 주조 상태에 있는 변형체 Ⅱ는 우수한 크리프내성 및 양호한 인장강도를 나타낸다. 상기에 언급된 상기 Al 및 Cu은 유지되어야 한다; 그렇지 않으면, 합금의 융점이 450℃ 이상으로 오르고, 그 결과 합금은 주조장치에 대한 부식성이 460℃이상에서 너무 커지기 때문에 고온 챔버에서 합금을 더 이상 주조할 수 없다. 실리콘 함량이 0.01%보다 낮으면, 인장강도 및 크리프내성이 나빠진다. 2%이상의 실리콘 함량은 용융상태에서 합금을 상당히 페이스트(pasty) 및 부식시킨다.Indeed, both variants in liquid form on the one hand and in liquid form at temperatures not exceeding 460 ° C. exhibit low erosion resistance to the steel cast in the high temperature chamber, while on the other hand variant I in the casting state has good creep resistance. And good tensile strength, whereas variant II in cast state shows good creep resistance and good tensile strength. The Al and Cu mentioned above must be maintained; Otherwise, the melting point of the alloy rises above 450 ° C. and as a result the alloy can no longer cast the alloy in a high temperature chamber because the corrosiveness to the casting apparatus becomes too high above 460 ° C. If the silicon content is lower than 0.01%, the tensile strength and creep resistance become worse. Silicon contents above 2% significantly paste and corrode the alloy in the molten state.
다음의 합금이 이미 공지되어 기재되어 있기에 여기서 그 내용을 설명한다(단위는 중량%):Since the following alloys are already known and described, their contents are described here (in weight percent):
(a) 17-19 Al, 4.5-5.5 Cu, 0.9-1.3 Si, 0.8-1.2 Mg, 나머지는 Zn(CS-A-135802)(a) 17-19 Al, 4.5-5.5 Cu, 0.9-1.3 Si, 0.8-1.2 Mg, the rest is Zn (CS-A-135802)
(b) 28.6 Al, 3.1 Cu, 1 Si, 0.1 Ca, 0.2 Ni, 나머지는 Zn(GB-A-769483)(b) 28.6 Al, 3.1 Cu, 1 Si, 0.1 Ca, 0.2 Ni, the rest Zn (GB-A-769483)
(c) 20-40 Al, 0-5 Cu, 0-1 Si, 0-0.1 Mg, 0.25-2의 적어도 한 종류의 희토류 금속, 나머지는 Zn(US-A-4789522)(c) at least one rare earth metal of 20-40 Al, 0-5 Cu, 0-1 Si, 0-0.1 Mg, 0.25-2, the others being Zn (US-A-4789522)
(d) 55 Al, 8 Cu, 6.5 Si, 4.5 Be, 0.12 Ni, 0.6 Ca, 나머지는 Zn(US-A-287008)(d) 55 Al, 8 Cu, 6.5 Si, 4.5 Be, 0.12 Ni, 0.6 Ca, the rest is Zn (US-A-287008)
이들 공지된 합금 중에 합금 (a) 및 (c)는 본 발명에 따른 합금과 가장 긴밀한 관계가 있다. 합금(a)는 고온 챔버에서 주조되기 위해서는 매우 낮은 Cu함량과 너무 높은 Mg함량을 가지고 있다. 합금(c)는 또한 너무 낮은 Cu함량을 가지고; 더구나 산화되어진 상태에서 조차도 산소에 대한 희토류 금속들의 높은 친화성 때문에 이들 희토류 금속의 0.25-2%를 함유하는 합금을 제조하는 것이 극히 어렵다.Of these known alloys, alloys (a) and (c) have the closest relationship with the alloy according to the invention. Alloy (a) has very low Cu content and too high Mg content to be cast in a high temperature chamber. Alloy (c) also has a too low Cu content; Moreover, even in the oxidized state, it is extremely difficult to produce alloys containing 0.25-2% of these rare earth metals due to the high affinity of rare earth metals for oxygen.
유리하게 변형체 I은 15-18%, 바람직하게는 15-17%의 Al을 포함한다. 변형체 Ⅱ에서 바람직한 Al 및 Cu 함량은 각각 25.5-28.5% 및 15-18%이다. 양 변형체에서 바람직한 Si 함량은 0.1-1%이다.Advantageously variant I comprises 15-18%, preferably 15-17% Al. Preferred Al and Cu contents in variant II are 25.5-28.5% and 15-18%, respectively. The preferred Si content in both variants is 0.1-1%.
양쪽 변형체는Both variants are
- 필요하다면, 결정 상호간 내식성을 향상하기 위해 Mg를 0.1%까지;If necessary, Mg up to 0.1% to improve the corrosion resistance between the crystals;
- 필요하다면, 연성을 향상시키기 위해 Ti를 0.5%까지, Cr을 0.5%까지,-If necessary, Ti up to 0.5% and Cr up to 0.5% to improve ductility,
그리고 Mn을 1%까지;And Mn up to 1%;
- 필요하다면, 외부 부식에 대한 내성을 향상시키기 위해, 즉 백색염의 형성을 지연시키기 위해 Nb 0.5%까지; 및If necessary, up to Nb 0.5% to improve resistance to external corrosion, ie to delay the formation of white salts; And
- 필요하다면, 용융상태에서 합금의 표면장력을 저하시키기 위해 희토류 금속 또는 금속 혼합물을 0.1%까지 함유한다.If necessary, it contains up to 0.1% rare earth metals or metal mixtures to reduce the surface tension of the alloy in the molten state.
0.1%이상의 Mg 함량은 합금을 용융상태에서 페이스트 상태로 되고, 고체상태에서 취성이 나타난다. 합금은 또한 Ti, Cr 및 Mn에 대해 상기 한계를 초과하였을 때 페이스트상이 나타난다. 0.5%이상의 Nb 함량 및 0.1% 이상의 희토류 금속 함량은 산소에 대한 상기 원소의 높은 친화성 때문에 사용하기 어렵다.The Mg content of 0.1% or more makes the alloy paste in the molten state, and shows brittleness in the solid state. The alloy also appears pasted when the above limits are exceeded for Ti, Cr and Mn. Nb content of 0.5% or more and rare earth metal content of 0.1% or more are difficult to use because of the high affinity of the element for oxygen.
합금에서 불순물의 존재하는 것은 유동성 및 기계적인 성질에 악영향을 주기때문에 합금제조에 사용된 Zn, Al 및 Cu는 각각 ≥ 99.99%, ≥ 99.95% 및 ≥ 99.99%의 순도를 가지는 것이 바람직하다. 99.995% 순도의 아연 및 99.97% 순도의 알루미늄이 바람직하게 사용된다.Since the presence of impurities in the alloy adversely affects the flowability and mechanical properties, it is preferable that Zn, Al and Cu used in the alloy production have a purity of ≥ 99.99%, ≥ 99.95% and ≥ 99.99%, respectively. Zinc of 99.995% purity and aluminum of 99.97% purity are preferably used.
합금이 산소에 대해 매우 높은 친화성을 갖는 금속, 예를 들면 Y를 함유할 때, 상기 금속의 적어도 일부는 산화상태에 있는 것은 명백하다.When the alloy contains a metal having a very high affinity for oxygen, for example Y, it is evident that at least part of the metal is in an oxidized state.
본 발명에 따른 합금의 변형체 I의 양호한 크리프내성 및 변형체 Ⅱ의 우수한 크리프내성은 하기에 기재된 일련의 비교 시험에 의해 설명되고, 그 결과는 다이아그램에 나타나 있다.The good creep resistance of variant I of the alloy according to the invention and the excellent creep resistance of variant II are illustrated by a series of comparative tests described below, the results of which are shown in the diagram.
두 종류의공지된 합금인 Zamak 5 및 ACuZinc 5가 본 발명에 따른 두 종류의 합금, 이하 " X27"로 기재된 변형체 I에 따른 제1의 합금 및 이하 " X28"로 기재된 변형체 Ⅱ에 따른 제2의 합금과 함께 시험되었다.Two known alloys, Zamak 5 and ACuZinc 5, are two kinds of alloys according to the invention, the first alloy according to variant I described hereafter as "X27" and the second according to variant II described below as "X28". Tested with alloy.
상기 합금의 조성은 다음과 같다:The composition of the alloy is as follows:
- Zamak 5 : 4% Al, 1% Cu, 0.04% Mg, 나머지는 Zn;Zamak 5: 4% Al, 1% Cu, 0.04% Mg, the others are Zn;
- ACuZinc5 : 3% Al, 5.5% Cu, 0.04% Mg, 나머지는 Zn;ACuZinc5: 3% Al, 5.5% Cu, 0.04% Mg, the others are Zn;
- X27 : 17% Al, 9.5% Cu, 0.5% Si, 나머지는 Zn;X27: 17% Al, 9.5% Cu, 0.5% Si, the others are Zn;
- X28 : 27% Al, 16.5% Cu, 0.1% Si, 나머지는 Zn.X28: 27% Al, 16.5% Cu, 0.1% Si, the others are Zn.
이들 합금의 시험편은 고온-챔버기에서 주조되었다.Test pieces of these alloys were cast in hot-chambers.
일반적인 주조조건은 다음과 같다:Typical casting conditions are as follows:
- 사이클 시간: 12초Cycle time: 12 seconds
- 욕온: 420-460℃-Bath temperature: 420-460 ℃
- 금속에 가해진 압력: 50MPaPressure on metal: 50 MPa
- 피스톤 속도: 1.2m/s-Piston speed: 1.2m / s
- 노즐 직경: 9.5 mmNozzle diameter: 9.5 mm
- 성형온도: 180-250℃Molding temperature: 180-250 ℃
이들 시험편의 형상 및 치수는 아연 및 아연합금으로부터 제조되어진 시트 및 박막에 대한 인장시험에서 사용되는 시험편을 위해 European Zinc Producers' Technical Committee에 의해 규정되어진 것이다.The shape and dimensions of these specimens are those specified by the European Zinc Producers' Technical Committee for specimens used in tensile tests on sheets and thin films made from zinc and zinc alloys.
시험편은 40MPa 하중하의 100℃에서 크리프 시험이 되었다. 시간(in hours)의 함수로서 측정된 신장(in %)을 나타내는 리프 곡선은 제1도의 다이아그램과 같다.The test piece was creep-tested at 100 degreeC under a 40 MPa load. The leaf curve representing the elongation (in%) measured as a function of in hours is shown in the diagram of FIG.
본 발명에 따른 합금 및 특히 변형체 Ⅱ에 따른 합금은 공지된 합금들보다 더 양호한 크리프 내성을 나타내고 있다.The alloys according to the invention and in particular the alloys according to variant II show better creep resistance than known alloys.
본 발명에 따른 합금에서 변형체 I의 우수한 인장강도 및 매우 높은 경도와 변형체 Ⅱ의 양호한 인장강도 및 적당한 경도가 다음의 표에 정리된 데이터에 의해 설명된다.The excellent tensile strength and very high hardness of variant I in the alloy according to the invention and the good tensile strength and suitable hardness of variant II are explained by the data summarized in the following table.
[표][table]
인장시험은 상기에서와 같이 제조된 3mm 두께의 시험편에 1 cm/min은 인장속도로 실내온도에서 행해졌다.Tensile tests were performed at room temperature at a tensile rate of 1 cm / min on a 3 mm thick specimen prepared as above.
본 발명은 또한 고온-챔버기내에서 가압하에 주조되는 것에 의해 Al 및 Cu을 함유하는 아연 베이스의 합금으로 된 물품을 제조방법에 관한 것으로, 상기 합금이 본 발명의 합금이고, 상기 주조는 460℃와 같거나 그 보다 낮은 온도에서 실시되는 것을 특징으로 하는 제조방법이다.The invention also relates to a process for the manufacture of an article of zinc-based alloys containing Al and Cu by casting under pressure in a hot-chamber, wherein the alloy is an alloy of the invention, the casting being at 460 ° C. It is a manufacturing method characterized in that carried out at the same or lower temperature.
본 발명의 합금은 고온 챔버에서 주조되지만, 그것은 필요에 따라 저온 챔버 (cold chamber)에서 중력하에서 주조될 수 있다.The alloy of the invention is cast in a high temperature chamber, but it can be cast under gravity in a cold chamber as needed.
그러므로, 본 발명은 또한 저온 챔버기에서 가압하에서 주조하든가 또는 중력 주조하는 것에 의해 Al 및 Cu등을 함유하는 아연 베이스 합금으로 된 물품의 제조방법에 관한 것으로, 상기 합금은 본 발명의 합금인 것을 특징으로 하는 제조방법이다.Therefore, the present invention also relates to a method for producing an article made of a zinc base alloy containing Al and Cu by casting under pressure in a low temperature chamber or by gravity casting, wherein the alloy is an alloy of the present invention. It is a manufacturing method.
본 발명은 더구나 본 말명에 따른 합금을 감마재(antifriction material)로 사용하는 것에도 관련이 있다.The present invention furthermore relates to the use of the alloy according to the present name as an antifriction material.
Claims (9)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE9400676 | 1994-07-18 | ||
| BE9400676A BE1008479A3 (en) | 1994-07-18 | 1994-07-18 | Zinc alloy castable room hot. |
| PCT/EP1995/002820 WO1996002682A1 (en) | 1994-07-18 | 1995-07-12 | Hot chamber castable zinc alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR100343309B1 true KR100343309B1 (en) | 2002-11-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019960705161A KR100343309B1 (en) | 1994-07-18 | 1995-07-12 | Hot chamber castable zinc alloy |
Country Status (16)
| Country | Link |
|---|---|
| EP (1) | EP0771365B1 (en) |
| JP (1) | JP3800345B2 (en) |
| KR (1) | KR100343309B1 (en) |
| AT (1) | ATE173029T1 (en) |
| AU (1) | AU3113995A (en) |
| BE (1) | BE1008479A3 (en) |
| BR (1) | BR9507577A (en) |
| CA (1) | CA2185013C (en) |
| CZ (1) | CZ287825B6 (en) |
| DE (1) | DE69505820T2 (en) |
| DK (1) | DK0771365T3 (en) |
| ES (1) | ES2126301T3 (en) |
| FI (1) | FI114400B (en) |
| PE (1) | PE12696A1 (en) |
| PL (1) | PL178557B1 (en) |
| WO (1) | WO1996002682A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100961081B1 (en) | 2009-03-03 | 2010-06-08 | 임현규 | Zinc-aluminium alloys with high strength and low density |
| KR20180106620A (en) * | 2017-03-21 | 2018-10-01 | 주식회사 지.에이.엠 | High strength aluminium-zinc alloy and high strength aluminium-zinc alloy casting |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112522540A (en) * | 2020-12-01 | 2021-03-19 | 江苏同生特钢制造有限公司 | Zinc alloy casting and preparation method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB769483A (en) * | 1953-06-30 | 1957-03-06 | Willi Neu | Zinc aluminium alloy and process for the production thereof |
| US2870008A (en) * | 1954-11-18 | 1959-01-20 | Main Alloy Company Establishme | Zinc-aluminium alloys and the method for producing same |
| US4789522A (en) * | 1986-06-27 | 1988-12-06 | Queen's University At Kingston | Castable zinc-aluminum alloys |
-
1994
- 1994-07-18 BE BE9400676A patent/BE1008479A3/en not_active IP Right Cessation
-
1995
- 1995-07-12 WO PCT/EP1995/002820 patent/WO1996002682A1/en active IP Right Grant
- 1995-07-12 AU AU31139/95A patent/AU3113995A/en not_active Abandoned
- 1995-07-12 CZ CZ199751A patent/CZ287825B6/en not_active IP Right Cessation
- 1995-07-12 CA CA002185013A patent/CA2185013C/en not_active Expired - Fee Related
- 1995-07-12 KR KR1019960705161A patent/KR100343309B1/en not_active IP Right Cessation
- 1995-07-12 PL PL95318133A patent/PL178557B1/en not_active IP Right Cessation
- 1995-07-12 EP EP95926933A patent/EP0771365B1/en not_active Expired - Lifetime
- 1995-07-12 AT AT95926933T patent/ATE173029T1/en not_active IP Right Cessation
- 1995-07-12 BR BR9507577A patent/BR9507577A/en not_active IP Right Cessation
- 1995-07-12 DK DK95926933T patent/DK0771365T3/en active
- 1995-07-12 ES ES95926933T patent/ES2126301T3/en not_active Expired - Lifetime
- 1995-07-12 JP JP50471196A patent/JP3800345B2/en not_active Expired - Fee Related
- 1995-07-12 DE DE69505820T patent/DE69505820T2/en not_active Expired - Fee Related
- 1995-07-13 PE PE1995273756A patent/PE12696A1/en not_active Application Discontinuation
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1997
- 1997-01-16 FI FI970177A patent/FI114400B/en active IP Right Grant
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100961081B1 (en) | 2009-03-03 | 2010-06-08 | 임현규 | Zinc-aluminium alloys with high strength and low density |
| WO2010101394A2 (en) * | 2009-03-03 | 2010-09-10 | Lim Hyun Kyu | High strength and lightweight zinc-aluminum alloy |
| WO2010101394A3 (en) * | 2009-03-03 | 2010-11-25 | Lim Hyun Kyu | High strength and lightweight zinc-aluminum alloy |
| KR20180106620A (en) * | 2017-03-21 | 2018-10-01 | 주식회사 지.에이.엠 | High strength aluminium-zinc alloy and high strength aluminium-zinc alloy casting |
| KR101955995B1 (en) * | 2017-03-21 | 2019-03-08 | 주식회사 지.에이.엠 | High strength aluminium-zinc alloy and high strength aluminium-zinc alloy casting |
Also Published As
| Publication number | Publication date |
|---|---|
| FI970177A0 (en) | 1997-01-16 |
| CZ5197A3 (en) | 1997-04-16 |
| CZ287825B6 (en) | 2001-02-14 |
| AU3113995A (en) | 1996-02-16 |
| CA2185013A1 (en) | 1996-02-01 |
| BR9507577A (en) | 1997-09-09 |
| DK0771365T3 (en) | 1999-07-19 |
| EP0771365B1 (en) | 1998-11-04 |
| DE69505820T2 (en) | 1999-07-08 |
| WO1996002682A1 (en) | 1996-02-01 |
| JP3800345B2 (en) | 2006-07-26 |
| DE69505820D1 (en) | 1998-12-10 |
| FI970177A (en) | 1997-01-16 |
| JPH10502705A (en) | 1998-03-10 |
| CA2185013C (en) | 2006-08-29 |
| PL178557B1 (en) | 2000-05-31 |
| ATE173029T1 (en) | 1998-11-15 |
| PE12696A1 (en) | 1996-04-23 |
| BE1008479A3 (en) | 1996-05-07 |
| PL318133A1 (en) | 1997-05-12 |
| FI114400B (en) | 2004-10-15 |
| ES2126301T3 (en) | 1999-03-16 |
| EP0771365A1 (en) | 1997-05-07 |
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