KR20030039829A - Light alloy which magnesium is used as main raw naterials and casting products by using the light alloy - Google Patents

Light alloy which magnesium is used as main raw naterials and casting products by using the light alloy Download PDF

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KR20030039829A
KR20030039829A KR1020010070993A KR20010070993A KR20030039829A KR 20030039829 A KR20030039829 A KR 20030039829A KR 1020010070993 A KR1020010070993 A KR 1020010070993A KR 20010070993 A KR20010070993 A KR 20010070993A KR 20030039829 A KR20030039829 A KR 20030039829A
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magnesium
light alloy
powdered
mixture
light
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KR1020010070993A
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Korean (ko)
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박영철
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박영철
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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/06—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of magnesium or alloys based thereon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/02—Making non-ferrous alloys by melting
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C23/00—Alloys based on magnesium
    • C22C23/02—Alloys based on magnesium with aluminium as the next major constituent

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  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Eyeglasses (AREA)

Abstract

PURPOSE: A light alloy which is light and has superior hardness and texture and necessary and sufficient elasticity is provided, and a casting molded article manufactured by using the light alloy is provided. CONSTITUTION: The light alloy using magnesium as main raw material is manufactured by injecting 80 to 90 vol.% of powdered magnesium (Mg), 9 to 19 vol.% of powdered aluminum and 1 to 10 vol.% of powdered zinc (Zn) into an agitator maintaining the vacuum state so that the raw materials are agitated to obtain a mixture, and melting the mixture in the melting furnace after injecting the obtained mixture into a melting furnace. The casting molded article using magnesium as main raw material is manufactured by injecting 80 to 90 vol.% of powdered magnesium (Mg), 9 to 19 vol.% of powdered aluminum and 1 to 10 vol.% of powdered zinc (Zn) into an agitator maintaining the vacuum state so that the raw materials are agitated to obtain a mixture, melting the mixture in the melting furnace after injecting the obtained mixture into a melting furnace, and cast molding an article in the mold by injecting the molten material into a mold having a desired shape.

Description

마그네슘을 주원료로 한 경합금소재 및 경합금소재를 이용한 캐스팅 성형제품{Light alloy which magnesium is used as main raw naterials and casting products by using the light alloy}Light alloy which magnesium is used as main raw naterials and casting products by using the light alloy}

본 발명은 가볍고 경도가 높으면서 양호한 질감과 적절한 탄성을 갖는 경합금소재를 제공하여 안경테나 휴대폰케이스 및 기타 악세사리용품의 성형소재로 사용케하므로서 고품질의 양호한 제품을 얻을 수 있도록 한 것이다.The present invention is to provide a light alloy material having a good texture and a suitable elasticity of light and high hardness to enable the use as a molding material of eyeglass frames, cell phone cases and other accessory supplies to obtain a good quality product.

일반적으로 마그네슘(Mg)는 은백색의 가볍고, 공기속에서 연소하여 강렬한 빛을 발하면서 산화물로 되는 소재로서 주로 경합금, 플래시 등에 사용되고 있다.In general, magnesium (Mg) is a light silver-white light, which emits intense light by burning in air, and is mainly used in light alloys, flashes, and the like.

따라서 마그네슘(Mg)을 함유한 경합금소재의 제품성형은 다이캐스팅 제작방식으로 복잡한 고가의 금형과 설비에서 이루어지고 있으며, 적절한 성형성과 탄성 및 안정성을 위하여 마그네슘(Mg)과 알미늄(Al)의 혼합비율을 40∼50 : 50∼60정도로 알미늄의 혼합비율이 비교적 높게 적용되고 있고, 이러한 이유때문에 충분한 경도를 유지시킬 수가 없어 고품질의 제품제조에 장애가 되고 있다.Therefore, the molding of light alloy materials containing magnesium (Mg) is performed in complex and expensive molds and equipment by die casting manufacturing method, and the mixing ratio of magnesium (Mg) and aluminum (Al) is adjusted for proper formability, elasticity and stability. The mixing ratio of aluminum is relatively high in the range of 40 to 50:50 to 60. For this reason, sufficient hardness cannot be maintained, which hinders the production of high quality products.

이때 충분한 경도를 얻기위하여 마그네슘(Mg)의 혼합비율을 증가시키면 높은 경도의 소재를 얻을 수 있으나 폭발의 위험성과 성형성이 현저히 떨어지게 될뿐 아니라, 경도는 높으나 탄성이 없어 쉽게 부러지게 되므로 상품성이 떨어지게 된다.In this case, increasing the mixing ratio of magnesium (Mg) to obtain sufficient hardness can obtain a material of high hardness, but not only the risk of explosion and moldability are remarkably reduced, but also the hardness is high, but it is easily broken due to its lack of elasticity. do.

또한 다이캐스팅 방식의 제품제조는 섬세하고 다양한 디자인의 제조에 장애가 될뿐 아니라 제품에 따라 많은 공정이 요구되고 있다.In addition, the production of die-casting methods not only impedes the manufacture of delicate and diverse designs, but also requires many processes depending on the products.

예를 들어 안경테를 다이캐스팅방법으로 제조하고자할 경우에는 먼저 제품을 성형한 다음 1차연마하고, 1차연마된 제품을 렌즈삽입용 "∨"홈을 컷팅하고, 다시 2차연마하고 안구를 벤딩하고 다시 프론트벤딩을 하는 공정으로서, 공정이 비교적 복잡할뿐 아니라 섬세하고, 다양한 디자인의 제조에 어려움이 따르게 되는 등의 문제점이 있는 것이었다.For example, if you want to manufacture the spectacle frame by the die casting method, first molded the product and then first polished, and the first polished product is cut the "∨" groove for lens insertion, second time polishing and bending the eyeball As a front bending process again, the process is not only relatively complicated but also delicate and has difficulty in manufacturing various designs.

본 발명은 이러한 종래의 제반문제점을 시정하고자 마그네슘의 우수한 경도를 충족하면서 적절한 탄성이 있고, 가벼우면서 질감이 우수한 양질의 제품을 캐스팅방식으로 제조할 수 있도록 한 경합금소재를 얻고, 상기 경합금소재를 이용하여 안경테, 휴대폰케이스 및 기타 악세사리용품 등 다용도로 사용할 수 있도록 한 것이다.The present invention obtains a light alloy material that can produce a good quality product having an appropriate elasticity, light weight and excellent texture by casting method while meeting the excellent hardness of the magnesium in order to correct these problems, using the light alloy material It can be used for various purposes such as eyeglass frames, mobile phone case and other accessories.

상기 목적을 달성하기 위하여 본 발명자는 여러번의 시험결과 가볍고 경도가 우수한 마그네슘(Mg)소재와, 가벼우면서 주조성과 가공성 및 합금성이 양호한 알미늄(Al) 및 연성이 풍부한 아연(Zn)을 혼합한 경합금소재를 얻고, 상기 경합금소재를 이용하여 필요한 제품을 캐스팅방식으로 성형할 수 있도록 한 것이다.In order to achieve the above object, the present inventors have made a light and excellent magnesium (Mg) material and a light alloy with good castability, workability, and alloyability of aluminum (Al) and ductile zinc (Zn). To obtain a material, it is to be able to mold the required product by the casting method using the light alloy material.

상기 본 발명에서 제공하고자 하는 경합금소재의 제조시 혼입되는 마그네슘 (Mg)과 알미늄(Al)과 아연(Zn)의 비율이 매우 중요한 요인이 된다.The ratio of magnesium (Mg) and aluminum (Al) and zinc (Zn) to be incorporated in the manufacture of the light alloy material to be provided in the present invention is a very important factor.

다시설명하면 막연히 경도를 향상시킬 목적으로 마그네슘의 함량을 증가시키면 경도면에서는 우수한 소재의 경합금을 얻을 수 있겠으나, 탄성과 성형성이 취약하고, 반대로 탄성과 성형성을 증진시키기 위하여 알미늄이나 아연의 함량을 증진시킬 경우에는 상대적으로 경도와 질감이 떨어지게 되므로 이상적인 경합금소재의 제공이 어렵게된다.In other words, if the magnesium content is increased for the purpose of improving the hardness, it is possible to obtain a light alloy of excellent material in terms of hardness, but it is weak in elasticity and formability, and conversely, in order to enhance the elasticity and formability, In the case of increasing the content, it is difficult to provide an ideal light alloy material because the hardness and texture is relatively poor.

따라서 본 발명자는 여러번의 실험을 통하여 측정한 결과 가벼우면서 경도가 높고 또한 성형성과 탄성 및 질감이 우수한 경합금소재를 얻기 위하여는 마그네슘 (Mg)의 혼입비율을 80∼90%, 알미늄(Al)의 혼합비율을 9∼19%, 아연(Zn)을 1∼10%의 부피비율로 혼합하는 것이 가장 이상적인 것으로 판단되어 졌다.Therefore, in order to obtain a light alloy material which is light, has high hardness, and has excellent moldability, elasticity and texture, the inventors have mixed 80% to 90% of magnesium (Mg) and mixed aluminum (Al). The ideal ratio was 9 to 19% and zinc (Zn) at a volume ratio of 1 to 10%.

이때 충분하고 안전한 혼합을 위하여 분말상태의 소재를 공기가 없는 진공상태의 교반기를 사용하는 것이 이상적이며, 충분히 혼합된 분말소재를 용해로에서 용융시킨 다음 캐스팅방식으로 필요한 제품성형을 위한 주형틀에 주입 경화시킨 다음 탈형하여 제품을 얻고, 연마와 광택연마를 동시에 하여 완성된 제품을 얻는 것이다.In this case, it is ideal to use a vacuum-free agitator in powder state for sufficient and safe mixing, and melt the fully mixed powder material in the melting furnace and then inject the mold into the mold for molding the required product by casting method. It is then demolded to obtain a product, and the finished product is obtained by simultaneously polishing and polishing.

상기 소재에서 마그네슘은 제품의 경도를 증감하고, 알미늄은 접합성 즉 성형을, 아연은 탄성을 증감시키는 역할을 하게된다.In the material, magnesium increases or decreases the hardness of the product, aluminum plays a role in bonding, that is, molding, and zinc increases or decreases elasticity.

이하 본 발명에서 제공하고자 하는경합금소재와 상기 경합금소재를 이용한 제품의 제조를 상세히 설명하면 다음과 같다.Hereinafter, the light alloy material to be provided by the present invention and the manufacture of the product using the light alloy material will be described in detail.

가벼우면서 경도가 높은 마그네슘(Mg)과 가벼우면서 주조성과 가공성 및 합금성이 양호한 알미늄(Al) 및 연성이 풍부한 아연(Zn)을 적절한 비율로 혼합한다.Magnesium (Mg), which is light and hard, is mixed with aluminum (Al) and ductile zinc (Zn), which are light, have good castability, processability, and alloyability, in an appropriate ratio.

이때 충분한 혼합을 위하여 상기 소재들은 분말화된 것들을 사용하는 것이 바람직하고, 또한 혼합작업중 안전성(폭발방지)을 위하여서는 진공상태의 교반기를 사용하는 것이 이상적이며, 혼합시간은 혼합하고자하는 소재의 량이나 분말입자의 상태 등 조건에 따라 달리 조정된다.At this time, it is preferable to use the powdered materials for sufficient mixing, and in order to ensure the safety (explosion prevention) during the mixing operation, it is ideal to use a stirrer in a vacuum state, and the mixing time is the amount of the material to be mixed It is adjusted differently according to conditions, such as the state of powder particle.

상기 분말소재들의 혼합비율은 부피비로 마그네슘(Mg)을 80∼90%, 알미늄 (Al)을 9∼19%, 아연(Zn)을 1∼10%의 비율로 투입한 다음 충분히 혼합하여 이들의 소재가 골고루 교반되게 한다.The mixing ratio of the powder materials is 80 to 90% of magnesium (Mg), 9 to 19% of aluminum (Al), and 1 to 10% of zinc (Zn), and then sufficiently mixed. Allow to stir evenly.

위에서와 같이 충분히 혼합된 분말소재를 용해로에 투입, 가열하여 용융시키므로서 본 발명에서 얻고자하는 경합금소재를 얻고, 상기 경합금소재를 통상의 캐스팅 (casting)방식으로 제작하고자하는 물품의 주형에 주입하여 필요한 제품을 성형하고, 상기 성형된 제품을 연마와 동시에 광택연마를 하여 가공하므로서 필요한 제품의 제조가 완료된다.By mixing the powder material sufficiently mixed as above into the melting furnace, heating it to obtain a light alloy material to be obtained in the present invention, and injecting the light alloy material into the mold of the article to be produced by the usual casting (casting) method The required product is molded, and the molded product is polished and polished and processed to finish the manufacture of the required product.

이때 캐스팅방식으로 필요한 제품을 성형함에 있어서 안경테를 성형하고자 할 경우에는 안경테의 형태로 주형을 먼저 제작한 다음, 상기 주형에 본 발명에서 제공하고자 하는 경합금소재를 용융, 주입, 경화시킨 다음 탈형하고, 동시에 연마하므로서 본 발명에서 얻고자 하는 안경테를 제공받을 수 있게 된다.In this case, in order to mold the spectacle frame in molding the product required by casting method, the mold is first manufactured in the form of the spectacle frame, and then the mold is melted, infused and cured, and then demolded to the mold. At the same time polishing can be provided with a spectacle frame to be obtained in the present invention.

상기에서 캐스팅방식으로 안경테를 제작하고자할 경우에는 다양하고 섬세한 디자인의 표현이 자유로울뿐 아니라, 일반 다이캐스팅 금형에서는 표현할 수 없었던 안구(3차원 벤딩)내의 렌즈 삽입용 "∨"홈을 동시에 성형할 수 있게되므로 생산공정이 간단하게 된다.In the case of manufacturing the spectacle frame by the casting method, it is not only free to express various and delicate designs, but also to simultaneously form the "∨" groove for inserting the lens in the eye (three-dimensional bending) which could not be expressed in the general die casting mold. Therefore, the production process is simplified.

또한 휴대폰케이스를 본 발명에서 제공하고자 하는 경합금 소재를 이용하여 캐스팅방식으로 제품을 성형할 경우에는 소재자체로서 전자파차단 및 잡음제거의 효과가 있기때문에 종래와 같이 케이스내부에 별도의 동판 삽입이나 코팅의 필요성이 없으며, 또한 높은 방열성에 따른 내부기기의 보호기능도 겸할 수 있게 된다.In addition, when molding a product using a light alloy material to provide a mobile phone case in the present invention by casting method, since the material itself has the effect of electromagnetic shielding and noise removal, it is necessary to insert a separate copper plate or coating inside the case. There is no need, and it can also serve as a protection function for internal devices due to high heat dissipation.

본 발명의 경합금소재를 제조함에 있어서, 혼합되는 소재의 혼입비율에 따라 제공되는 경합금소재의 물성이 서로 달라지게 된다.In manufacturing the light alloy material of the present invention, the physical properties of the light alloy material provided according to the mixing ratio of the material to be mixed will be different from each other.

이때 마그네슘의 혼합비율을 높이고, 알미늄이나 아연의 혼합비율이 줄이면 경도와 질감이 높은 제품을 얻을 수가 있고, 반대로 마그네슘의 혼합비율을 줄이고, 알미늄이나 아연의 비율을 높이면 탄성이 우수한 제품을 얻을 수 있게 되므로 제작하고자 하는 제품의 특성에 따라 마그네슘이나 알미늄 및 아연의 혼입비율을 본 발명에서 제공하고자 하는 혼합범위내에서 적절히 조정하여 사용하면 된다.In this case, if the mixing ratio of magnesium is increased, and the mixing ratio of aluminum or zinc is reduced, a product with high hardness and texture can be obtained. On the contrary, if the mixing ratio of magnesium is reduced and the ratio of aluminum or zinc is increased, a product having excellent elasticity can be obtained. Therefore, according to the characteristics of the product to be manufactured, the mixing ratio of magnesium, aluminum, and zinc may be appropriately adjusted and used within the mixing range to be provided by the present invention.

상기 본 발명의 경합금소재를 제조함에 있어서, 안경테나 휴대폰케이스와 같이 가벼우면서 높은 경도의 필요성이 요구되며, 동시에 적절한 탄성을 갖는 제품을 성형하고자할 경우에는 마그네슘(Mg)의 함량을 90%, 알미늄(Al)의 함량을 9%, 아연(Zn)의 함량을 1%로 각각 부피비로 혼합하여 용융시킨 다음 캐스팅방식으로 제품을 제조사용한 결과, 가볍고 경도 및 질감이 높고 필요한 탄성을 충족하는 양질의 제품을 얻을 수가 있었다.In manufacturing the light alloy material of the present invention, the need for light and high hardness, such as eyeglass frames or mobile phone case, and at the same time to form a product having an appropriate elasticity of magnesium (Mg) content of 90%, aluminum As a result of mixing and melting (Al) content of 9% and zinc (Zn) content of 1% in volume ratio, and manufacturing the product by casting method, it is light, high in hardness and texture, and meets the required elasticity. Could get.

이상과 같이 본 발명은 가벼우면서, 경도 및 질감이 우수하며, 또한 필요 충분한 탄성을 유지하는 제품의 소재를 얻기 위하여, 마그네슘(Mg)과 알미늄(Al) 및 아연(Zn)을 적절비율로 혼합용융시켜 새로운 경합금소재를 얻고, 상기 소재를 이용하여 캐스팅방식으로 안경테나 휴대폰케이스, 노트북 컴퓨터케이스 및 기타 각종 전자제품케이스나 악세사리 용품 등 다양도로 사용케하므로서 다양하고 정밀한 디자인의 표현이 가능할뿐 아니라 다이캐스팅금형에서는 처리할 수 없는 구성들도 캐스팅방식으로 제조할 수 있어 공정이 간단하게 되므로 제조비용이 저렴하고 경제성이 우수한 양질의 제품을 제공받을 수 있게되는 등의 효과가 있는 것이다.As described above, in order to obtain a material of a product which is light, has excellent hardness and texture, and maintains sufficient elasticity, magnesium (Mg), aluminum (Al) and zinc (Zn) may be mixed and melted at an appropriate ratio. It is possible to express various and precise designs as well as to obtain new light alloy materials by using various materials such as eyeglass frames, mobile phone cases, laptop computer cases, and various electronics cases and accessories by casting method using the above materials. In the process that can not be processed in the casting process can be manufactured because the process is simple, so that there is an effect such as being able to provide a high quality product with low production cost and excellent economic efficiency.

Claims (2)

가볍고, 경도 및 질감이 우수하면서, 필요 충분한 탄성을 갖는 경합금소재를 제조함에 있어서, 분말화된 마그네슘(Mg) 80∼90%(부피비)와 분말화된 알미늄(Al) 9∼19%(부피비)와, 분말화된 아연(Zn) 1∼10%(부피비)를 진공상태를 유지하는 교반기에 투입 교반하여 혼합물을 얻고, 상기 혼합물을 용해로에 투입후 용융하여 제조함을 특징으로 하는 마그네슘(Mg)을 주원료로 한 경합금소재.80-90% (volume ratio) of powdered magnesium (Mg) and 9-19% (volume ratio) of powdered aluminum (Al) in manufacturing a light alloy material having excellent lightness, hardness, and texture and sufficient elasticity. And magnesium (Mg) characterized in that 1 to 10% (volume ratio) of powdered zinc (Zn) is added to and stirred in a stirrer maintaining a vacuum state to obtain a mixture, and the mixture is added to a melting furnace and melted. Light alloy material with main ingredient. 가볍고, 경도 및 질감이 우수하면서 필요 충분한 탄성을 갖는 경합금소재를 이용한 캐스팅 성형제품을 제조함에 있어서, 분말화된 마그네슘(Mg) 80∼90%(부피비)와, 분말화된 알미늄(Al) 9∼19%(부피비)와, 분말화된 아연(Zn) 1∼10%(부피비)를 진공상태를 유지하는 교반기에 투입 교반하여 혼합물을 얻고, 상기 혼합물을 용해로에 투입후 용융하고, 상기 용융된 소재를 필요한 형상의 주형에 주입하여 캐스팅(casting)방식으로 제품을 성형하는 것을 특징으로 하는 마그네슘(Mg)을 주원료로 한 캐스팅(casting)성형제품.In manufacturing a cast molded product using a light alloy material that is light, has excellent hardness and texture, and has sufficient elasticity, powdered magnesium (Mg) 80 to 90% (volume ratio) and powdered aluminum (Al) 9 to 19% (volume ratio) and powdered zinc (Zn) 1-10% (volume ratio) were added to the stirrer holding a vacuum to stir to obtain a mixture, and the mixture was put into a melting furnace and melted, and the molten material Casting molded product with magnesium (Mg) as a main raw material, characterized in that the injection molding into the mold of the required shape to mold the product (casting).
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63282232A (en) * 1987-05-15 1988-11-18 Showa Denko Kk High-strength magnesium alloy for plastic working and its production
JPH03202430A (en) * 1989-12-29 1991-09-04 Fujitsu Ltd Manufacture of magnesium series sintered alloy and magnesium series composite material
JPH06145872A (en) * 1992-11-06 1994-05-27 Kobe Steel Ltd Mg alloy excellent in creep strength and its production
JPH0776740A (en) * 1993-09-07 1995-03-20 Ube Ind Ltd Production of magnesium alloy casting stock suitable for semi-fusion molding

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63282232A (en) * 1987-05-15 1988-11-18 Showa Denko Kk High-strength magnesium alloy for plastic working and its production
JPH03202430A (en) * 1989-12-29 1991-09-04 Fujitsu Ltd Manufacture of magnesium series sintered alloy and magnesium series composite material
JPH06145872A (en) * 1992-11-06 1994-05-27 Kobe Steel Ltd Mg alloy excellent in creep strength and its production
JPH0776740A (en) * 1993-09-07 1995-03-20 Ube Ind Ltd Production of magnesium alloy casting stock suitable for semi-fusion molding

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