KR100876501B1 - How to metallize the surface of nonmetallic materials - Google Patents
How to metallize the surface of nonmetallic materials Download PDFInfo
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- KR100876501B1 KR100876501B1 KR1020070039143A KR20070039143A KR100876501B1 KR 100876501 B1 KR100876501 B1 KR 100876501B1 KR 1020070039143 A KR1020070039143 A KR 1020070039143A KR 20070039143 A KR20070039143 A KR 20070039143A KR 100876501 B1 KR100876501 B1 KR 100876501B1
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- 239000000463 material Substances 0.000 title claims description 16
- 239000002184 metal Substances 0.000 claims abstract description 50
- 229910052751 metal Inorganic materials 0.000 claims abstract description 50
- 238000000034 method Methods 0.000 claims abstract description 44
- 239000007769 metal material Substances 0.000 claims abstract description 23
- 239000000843 powder Substances 0.000 claims abstract description 18
- 229910052755 nonmetal Inorganic materials 0.000 claims abstract description 16
- 239000000919 ceramic Substances 0.000 claims abstract description 11
- 239000004840 adhesive resin Substances 0.000 claims abstract description 9
- 229920006223 adhesive resin Polymers 0.000 claims abstract description 9
- 238000005488 sandblasting Methods 0.000 claims abstract description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 5
- 239000000956 alloy Substances 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims 1
- 239000000853 adhesive Substances 0.000 abstract description 11
- 230000001070 adhesive effect Effects 0.000 abstract description 11
- 238000005507 spraying Methods 0.000 abstract description 8
- 239000011248 coating agent Substances 0.000 abstract description 7
- 238000000576 coating method Methods 0.000 abstract description 7
- 244000137852 Petrea volubilis Species 0.000 abstract description 3
- 239000002923 metal particle Substances 0.000 abstract 1
- 239000007921 spray Substances 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 6
- 229920005989 resin Polymers 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 239000004576 sand Substances 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 239000005060 rubber Substances 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000001465 metallisation Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000002848 electrochemical method Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000010285 flame spraying Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000007751 thermal spraying Methods 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/06—Metallic material
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
- C23C4/123—Spraying molten metal
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Coating By Spraying Or Casting (AREA)
Abstract
본 발명은 비금속 재료의 표면을 금속화하는 방법으로서, 구체적으로는 비금속 재료의 표면에 접착용 수지를 도포한 후 반 건조상태에서 금속 분말을 도포하거나 접착용 수지에 금속분말을 섞어서 도포하고, 건조시킨 다음, 이를 샌드 블라스트 또는 샌드 페이퍼 처리를 통하여 금속분말의 입자가 돌출될 수 있도록 하고, 상기의 과정을 거친 후 금속 또는 세라믹을 용사 스프레이하여 접합하는 방법을 구현하고자 한다. 또한 코팅시에 가장자리 부분의 박리현상을 방지하기 위하여 가장자리 부분에 금속판 또는 금속제 링을 접착한 다음에 용사하여 접착력을 증대시킬 수 있는 방법을 제시한다.The present invention is a method of metalizing the surface of the non-metal material, specifically, after applying the adhesive resin to the surface of the non-metallic material in a semi-dry state, the metal powder is applied or mixed with the metal powder to the adhesive resin and dried After this, the particles of the metal powder can be protruded through sand blasting or sand paper treatment, and after the above process, the metal or ceramic is sprayed and bonded. In addition, in order to prevent peeling of the edge portion during coating, a method of increasing the adhesive strength by adhering a metal plate or a metal ring to the edge portion and then spraying is provided.
Description
도 1은 본 발명의 바람직한 일 실시 예에 따른 비금속 재료의 표면을 금속화하는 방법으로 만들어진 롤러(roller)의 구성을 보여주고 있는 도면.1 is a view showing the configuration of a roller (roller) made by a method of metallizing the surface of the non-metallic material according to an embodiment of the present invention.
도 2는 본 발명의 바람직한 일 실시 예에 따른 비금속 재료의 표면을 금속화하는 방법으로 만들어진 플레이트 타입의 구조물을 보여주고 있는 도면.Figure 2 shows a plate-type structure made by a method of metallizing the surface of the non-metallic material according to an embodiment of the present invention.
본 발명은 비금속 재료의 표면을 금속화하는 방법에 관한 것으로서, 더욱 상세하게는 세라믹, 수지, 고무 등과 같은 비금속 재질의 표면에 금속 또는 합금을 용사(metallizing)하여 피복 처리하는 방법에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of metallizing a surface of a nonmetallic material, and more particularly, to a method of metallizing and coating a metal or alloy onto a surface of a nonmetallic material such as ceramic, resin, rubber, or the like.
잘 알려진 바와 같이, 메탈라이징(Metallizing)하는 방법으로 금속 덩어리를 용해로에 투입한 다음 소재 금속에 유도전류를 흐르게 하여 그 전기 저항열로 용융시키거나 소재 금속 덩어리에 아크를 발생시켜 용융시킨 후, 로 내의 압을 상승시켜 소재 금속을 압출시키는 방법에 의해 메탈라이징선을 제조하는 것이다. 이는 공 개특허공보 공개번호 제1999-005240호에 상세히 기술되어 있다.As is well known, metallization is introduced into a melting furnace by metalizing, followed by induction current flowing through the material metal to melt with its electrical resistive heat, or arcing and melting of the material metal mass. A metallizing wire is manufactured by the method of extruding a raw material metal by raising the pressure inside. This is described in detail in Publication No. 1999-005240.
또한 비금속 재료를 전기도금 방법에 의하여 메탈라이징하는 방법도 다수 공지된 바가 있으며, 이는 공개특허공보 공개번호 제1984-5498호에 기술되어 있다.There are also many known methods for metallizing nonmetallic materials by electroplating, which are described in Published Patent Publication No. 1984-5498.
그리고 세라믹 재료에 금속재료를 도포하는 방법 중에서, 일본 특허공보 평 제01-275476호에 의하면 금속 분말을 함유한 유기 바인더를 세라믹 표면에 도포한 후 환원분위기 하에서 1000℃ 이상의 온도에서 장시간 소결을 행하는 방법이 제시되어 있다. 그러나 이러한 방법을 행하는 경우 가열온도가 낮아 세라믹과의 접착강도가 낮을 뿐만 아니라 환원분위기 하에서의 가열시 그 가열시간이 길어져 제조비용이 높아지는 문제점이 있었다.In Japanese Patent Application Laid-Open No. 01-275476, a method of applying a metal material to a ceramic material, applying an organic binder containing metal powder to the surface of the ceramic, and then performing a long sintering at a temperature of 1000 ° C. or higher under a reducing atmosphere. Is presented. However, this method has a problem that the heating temperature is low, the adhesive strength with the ceramic is low, and the heating time is long when heating in a reducing atmosphere, thereby increasing the manufacturing cost.
일본 특허공보 소 제64-37482호에 의하면, 세라믹 표면에 금속 분말을 도포한 후 레이저 빔으로 금속분말을 고온 융착시키는 메탈라이징 방법이 기술되어 있다. 이러한 방법으로 금속화하는 경우 레이저 빔과 같은 고가의 장비를 필요로 한다는 단점이 있다.According to Japanese Patent Publication No. 64-37482, a metallizing method is described in which a metal powder is applied to a ceramic surface and then the metal powder is hot-fused by a laser beam. Metallization in this way has the disadvantage of requiring expensive equipment such as a laser beam.
일본 특허공보 평 제05-195286호에 의하면, 플라스틱 표면을 금속화하는 방법으로 전기화학적 방법에 의하여 금속박막을 입히는 공법이 공개되어 있으나, 이 공법의 경우 공정 시간이 길고 막 두께가 얇아 내마모 및 내식용으로 부적합하다는 단점이 있었다.According to Japanese Patent Application Laid-Open No. 05-195286, a method of coating a metal thin film by an electrochemical method as a method of metallizing a plastic surface is disclosed, but in this method, the process time is long and the film thickness is thin, which leads to abrasion and There was a disadvantage of being unsuitable for corrosion resistance.
따라서, 본 발명은 위와 같은 문제점을 해결하기 위한 것으로, 그 목적은 금 속과 친화력이 있는 약한 세라믹, 수지, 고무 등과 같은 비금속 재질의 표면에 금속 또는 합금을 화염 용사법과 같은 저렴한 공법으로 금속화할 뿐만 아니라 세라믹화하여 내마모, 내열, 내식 및 전기 전도용으로 이용할 수 있도록 하는 비금속 재료의 표면을 금속화하는 방법을 제공함에 있다.Therefore, the present invention is to solve the above problems, the purpose is to metalize the metal or alloy on the surface of the non-metal material such as weak ceramics, resins, rubber, etc., which have affinity with metal by a low-cost method such as flame spraying method Rather it provides a method of metallizing the surface of a non-metallic material that can be ceramicized to be used for wear, heat, corrosion and electrical conduction.
또한 본 발명의 다른 목적은 우수한 금속재질의 표면 및 우수한 접착성을 갖는 메탈라이징 방법을 제공함에 있다.In addition, another object of the present invention to provide a metallizing method having an excellent metal surface and excellent adhesion.
상기한 바와 같은 목적을 달성하기 위한 본 발명은, 1) 비금속 재질의 표면에 접착용 수지를 도포한 후, 반 건조상태에서 금속분말을 도포하거나 또는 접착용 수지에 금속분말을 섞어서 도포한 다음, 건조시키는 단계와, 2) 상기 단계를 거친 표면을 샌드 블라스트(sand blast) 또는 샌드 페이퍼(sand paper) 처리 등을 통하여 금속분말 입자가 돌출되도록 하는 단계와, 3) 상기의 단계를 처리한 후, 금속, 합금 또는 세라믹을 용사하여 금속화 또는 세라믹화 하는 단계로 이루어지는 비금속 재료의 표면을 금속화하는 방법을 구현하고자 한다.The present invention for achieving the object as described above, 1) after applying the adhesive resin to the surface of the non-metal material, and then applying a metal powder in a semi-dry state or by mixing the metal powder in the adhesive resin, and then applying 2) causing the metal powder particles to protrude through a sand blast or sand paper process, and the like, and 3) treating the above-mentioned surface. A method of metallizing a surface of a non-metallic material comprising a step of metallizing or ceramicizing by spraying a metal, alloy or ceramic is disclosed.
이와 같은 특징을 가지는 본 발명의 메탈라이징 방법을, 바람직하게는 비금속 재료의 표면을 금속화하는 방법을 각 단계별로 설명하면 아래와 같다.When explaining the metallizing method of the present invention having such a feature, preferably the method of metallizing the surface of the non-metallic material in each step as follows.
첫 번째로, 1)단계의 과정을 설명한다.First , explain the process of step 1) .
먼저, 비금속 재질은 플라스틱, FRP, PVC, 목재, 유리, 카본, 세라믹, 고무 등과 같은 재질을 의미한다. 또한 상기 비금속 재질의 표면에 도포되는 접착용 수 지로는 에폭시 수지 또는 페놀수지, 페인트 등과 같은 접착제를 사용한다. 상기 에폭시 수지는 열경화성 수지로서 금속의 용접시 강한 접착력을 갖는 접착제로 유리한 효과를 가져온다. 상기 접착제를 도포한 후 비금속 재질의 표면이 반건조 상태에 이르면, 금속분말을 살포한다. 또한 상기와 같은 단계를 거치지 않고, 처음부터 금속분말을 접착용 수지에 섞어서 상기 비금속 재질의 표면에 도포한 후 건조하는 것도 가능하다. 이때 접착용 수지도 상기와 같은 종류의 접착용 수지가 이용된다.First, non-metallic material means a material such as plastic, FRP, PVC, wood, glass, carbon, ceramic, rubber, and the like. In addition, as the adhesive resin applied to the surface of the non-metal material, an adhesive such as epoxy resin or phenol resin, paint, or the like is used. The epoxy resin is a thermosetting resin and has an advantageous effect as an adhesive having a strong adhesive force when welding metal. After the adhesive is applied, the surface of the nonmetal material reaches a semi-dry state, and the metal powder is sprayed. In addition, without going through the above steps, it is also possible to mix the metal powder in the adhesive resin from the beginning to apply to the surface of the non-metal material and then dry. At this time, the adhesive resin of the same type as the adhesive resin is used.
두 번째로, 2)단계의 과정을 설명한다.Secondly , explain the process of step 2) .
전술한 1)단계을 거친 비금속 재료, 즉 비금속 재료의 표면에 금속분말을 도포한 후, 상기 비금속 재료의 표면을 샌드 블라스트 또는 샌드 페이퍼 방법을 이용하여 금속분말이 돌출되도록 한다.After applying the metal powder on the surface of the non-metallic material, that is, the non-metallic material that has passed the above-described step 1), the metal powder protrudes from the surface of the non-metallic material using a sand blast or sand paper method.
이때, 상기 1)단계를 거친 후 곧바로 금속 용사 코팅방법을 수행하게 되면, 그 표면이 매끄러워 비금속 재질과 금속 재질간의 접착력이 현저히 떨어지기 때문에 본 발명에서는 금속 용사 과정을 거치기 전에 비금속 재질의 표면에 금속 분말이 돌출되도록 하여 표면의 거칠기를 증가시켜 비금속 재질과 금속간의 접착력을 강화시켰다. 여기서 샌드 블라스트란 가공물의 표면에 모래를 가압ㆍ가속하여 분사시켜 모래나 불필요한 부착물과 도금 등을 제거하는 가공법을 의미한다.At this time, if the metal spray coating method is performed immediately after the step 1), the surface is smooth and the adhesion between the nonmetal material and the metal material is significantly reduced, so in the present invention, the surface of the non-metal material before the metal spray process As the metal powder protrudes, the surface roughness is increased to enhance the adhesion between the nonmetal material and the metal. The sand blasting herein refers to a processing method in which sand is applied to the surface of a workpiece by pressing and accelerating and spraying to remove sand, unnecessary deposits and plating.
세 번째로, 3)단계의 과정을 설명한다.Third , explain the process of step 3) .
본 발명의 3)단계는 전술한 1)단계 및 2)단계를 거친 후, 금속 또는 세라믹을 용사 코팅하는 과정이다. 상기 용사(metallizing)란 금속 또는 금속 화합물의 미분말을 가열하여 반용융 상태로 만든 후, 분사하여 밀착 피복시키는 방법을 말하 는데, 가열 방법으로는 화염용사, 아크를 사용하는 방법 및 플라즈마 용사방법이 있다. 본 발명에서는 상기 각각의 용사방법 중에서 어느 하나가 이용될 수 있으며, 이때의 온도는 상온상태(예를 들어, 50℃ 정도)가 바람직하다. 이는 수지와 금속간의 열팽창 계수 차이에 의해 박리나 크랙 등이 발생하는 것을 방지하기 위함이다.Step 3) of the present invention is a process of spray coating a metal or a ceramic after the steps 1) and 2) described above. The metallizing refers to a method of heating a fine powder of a metal or a metal compound into a semi-melt state, and then spraying and coating the powder. The heating method includes a flame spray, an arc, and a plasma spray method. . In the present invention, any one of the respective thermal spraying methods may be used, and the temperature at this time is preferably in a room temperature state (for example, about 50 ° C). This is to prevent peeling or cracking due to the difference in thermal expansion coefficient between the resin and the metal.
한편, 상기한 바와 같은 가열 방법에 있어서, 화염용사, 전기아크, 플라즈마 용사 방법을 수행하기 전에 상기 비금속 재질의 모서리 부분에 금속판 또는 슬리브(sleeve: 금속링)를 부착하여 전술한 과정을 수행할 수 있다.Meanwhile, in the heating method as described above, the above-described process may be performed by attaching a metal plate or a sleeve (metal ring) to the corner portion of the non-metal material before performing the flame spray, electric arc, or plasma spray method. have.
즉, 전술한 메탈라이징 방법을 실시하는 경우, 공정 중에 가장자리 부분의 박리현상을 방지하기 위하여 모서리 부분에 금속판 또는 금속링 등을 부착하여 용사 코팅 처리를 하는 방법이다. 구체적으로는 수지와 금속 코팅재의 접착강도가 가장자리에서 가장 약하기 때문에 코팅시 가장자리 부근에서 박리 또는 크랙 현상이 발생되는 것을 방지하기 위한 것으로, 도 1에 도시한 바와 같이 롤러의 가장자리 부분에 금속재링을 가열하여 열박음하거나 접착제 등을 이용하여 롤러의 가장자리에 부착한 다음, 전술한 메탈라징 공법을 수행한다. 이는 금속과 금속의 접착이 강한 특성을 이용한 것이다.That is, in the case of performing the above-mentioned metallizing method, in order to prevent peeling of the edge portion during the process, a metal plate or a metal ring is attached to the corner portion to spray spray coating treatment. Specifically, since the adhesive strength between the resin and the metal coating material is the weakest at the edge, it is to prevent peeling or cracking from occurring near the edge during coating, and as shown in FIG. 1, the metal ring is heated at the edge of the roller. After shrinking or attaching to the edge of the roller using an adhesive or the like, the above-described metallizing method is performed. This is because of the strong adhesion between metal and metal.
또한, 도 2a 및 도 2b에 도시한 바와 같이 플레이트 타입으로 형성된 비금속 재질의 표면을 금속화할 때, 비금속 재질의 가장자리에 금속판을 접착제로 이용하여 접착시키고 여기에 볼트를 이용하여 접착강도를 높이게 되면 용사 코팅시에 모서리 부분에서 접착력이 증대되는 효과를 가져올 수 있다.In addition, when metallizing the surface of the non-metal material formed in the plate type as shown in Figures 2a and 2b, by using a metal plate as an adhesive to the edge of the non-metal material and to increase the adhesive strength using a bolt to the thermal spray At the time of coating, the adhesive force may be increased at the corners.
한편, 본 발명에서는 전술한 과정을 수행할 때, 비금속 재질의 표면에 무전해 니켈(Ni) 도금을 행한 후 금속 또는 합금 또는 세라믹을 용사하여 비금속 재질의 표면을 금속화할 수 있다.Meanwhile, in the present invention, when the above-described process is performed, the surface of the nonmetallic material may be metallized by electroless nickel (Ni) plating on the surface of the nonmetallic material and then spraying a metal, an alloy, or a ceramic.
이상으로 살펴본 바와 같이, 본 발명은 종래의 방법과 같은 고비용 및 복잡한 공정에 의하지 않고도 저비용으로 단순한 공정에 의해 금속화할 수 있으며, 또한 균일하게 금속이 도포됨으로서 우수한 금속 표면을 갖는 메탈라이징을 이용할 뿐만 아니라 금속과 비금속 간의 접착성을 높일 수 있는 장점이 있다.As described above, the present invention can be metallized by a simple process at a low cost without using a high cost and a complicated process as in the conventional method, and not only uses a metallizing having an excellent metal surface by uniformly applying the metal. There is an advantage to increase the adhesion between the metal and the non-metal.
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