KR890004385B1 - Stainless steel-copper board joint of coffin - Google Patents

Stainless steel-copper board joint of coffin Download PDF

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Publication number
KR890004385B1
KR890004385B1 KR1019860010364A KR860010364A KR890004385B1 KR 890004385 B1 KR890004385 B1 KR 890004385B1 KR 1019860010364 A KR1019860010364 A KR 1019860010364A KR 860010364 A KR860010364 A KR 860010364A KR 890004385 B1 KR890004385 B1 KR 890004385B1
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South Korea
Prior art keywords
stainless steel
copper
plate
sides
coffin
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KR1019860010364A
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Korean (ko)
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KR880007229A (en
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이동녕
김동길
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한재은
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Publication of KR890004385B1 publication Critical patent/KR890004385B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic

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  • Pressure Welding/Diffusion-Bonding (AREA)
  • Laminated Bodies (AREA)

Abstract

A stainless steel-copper-stainless steel laminated plate has an advantage of combining the anti-corrosive characteristics of stainless steel, and the electric and thermal conductivity of copper. The manufacturing method of the laminated plate comprises laminating copper sheet between two stainless steel sheets, welding the sides of the copper layer in argon gas with stainless steel strip, heating the plate at temperature range 1083≰C-1150≰C, melting point of copper, in electric furnace, and hot rolling at 950≰C after cooling in air.

Description

스텐레스 강-구리-스텐레스 강 복합판재의 제조방법Manufacturing method of stainless steel-copper-stainless steel composite sheet

제1도는 본 발명의 복합 판재를 제조 하기 위해 양측변을 용접 처리한 적층소재의 단면도.1 is a cross-sectional view of a laminated material welded to both sides to produce a composite plate of the present invention.

제2도는 스텐레스 강-구리-스텐레스 강 복팝판재의 유동곡선을 나타낸 그래프.2 is a graph showing the flow curve of the stainless steel-copper-stainless steel sheet material.

제3도는 실시예의 스텐레스 강과 구리의 접합 상태의 사진.3 is a photograph of the bonding state of the stainless steel and copper of the embodiment.

본 발명의 2종의 금속판을 용융 압착하여 복합 판재를 제조하는 스텐레스 강-구리-스텐레스 강 복합판재의 제조 방법에 관한 것이다.The present invention relates to a method for producing a stainless steel-copper-stainless steel composite sheet obtained by melting and pressing two metal sheets of the present invention to produce a composite sheet.

종래에는 소폭의 스텐레스 강-구리-스텐레스 강의 복합 판재를 제조하는 방법으로 양재료 사이를 경납땜으로 접합하였으나 접착 면적의 넓은 판재인 경우에는 용재 없이 접합되기 어렵고 판면전체를 균일하게 접합할 수 없으며 경납재와 용재의 가격이 비싸기 때문에 경제성이 없는 결점이 있었다.Conventionally, a method of manufacturing a composite plate of a narrow stainless steel-copper-stainless steel is brazed between both materials. However, in the case of a wide plate having a large adhesive area, it is difficult to join without the material and the entire plate cannot be uniformly bonded. Because of the high price of lead and brazing materials, there was a lack of economic feasibility.

또 압연 접합하는 방법도 있으나 스텐레스강판의 크롬산화피막을 제거하기 위하여 금속 플래싱을 하여 사전처리 하거나 표면을 닉켈 도금하여 활성화 하여야 하며 압연 조건 역시 까다로운 단점이 있었다.There is also a method of rolling bonding, but in order to remove the chromium oxide film of the stainless steel sheet, metal flashing should be pretreated or nickel plated to activate the surface.

본 발명은 이와 같은 단점을 해결하기 위하여 구리판을 스텐레스 강판에 직접 용착시켜 구리판과 스텐레스 강판을 접합하는 스텐레스 강-구리-스텐레스 강의 복합 판재의 제조 방법을 제공하는데 목적이 있다.The present invention is to provide a method for producing a composite plate of stainless steel-copper-stainless steel in which a copper plate is directly welded to a stainless steel sheet to bond the copper plate and the stainless steel sheet to solve the above disadvantages.

본 발명의 또 다른 목적은 내식성이 우수하고 표면 변색이 잘 안되고 강도와 성형성이 우수한 스텐레스 강판의 특성과 전기 전도도와 열전도도가 우수한 구리의 특성을 겸비한 합금판재 즉 스텐레스 강-구리-스텐레스 강의 적층으로 되는 복합판재의 제조 방법을 제공하는 것이다.It is another object of the present invention to laminate an alloy sheet material, that is, stainless steel-copper-stainless steel, which has excellent corrosion resistance, poor surface discoloration, excellent strength and formability, and an alloy sheet material having copper and excellent electrical and thermal conductivity. It is to provide a method for producing a composite plate.

본 발명의 제조 방법을 도면에 따라 상세히 설명하면 다음과 같다.Referring to the manufacturing method of the present invention in detail as follows.

도면에서 보는 바와 같이 두개의 스텐레스 강판(1)(2)사이에 구리판(3)을 끼워 넣은 다음 그 양측변을 스텐레스 강대(4)(4')를 대고 스텐레스 강 용접봉으로 용접(5)(5')한 후 이것을 가열로 속에 세워서 넣고 구리의 용융점인 1083℃ 이상 1150℃고온으로 가열하여 구리판이 반용융상태가 되도록 하여 스텐레스 강과 구리의 경도가 비슷하여 가장 압연 조건이 좋은 950℃에서 연간압연하여 스텐레스 강판과 구리판의 사이가 더 일층 견고하게 접합되도록 하는 것이다.As shown in the drawing, a copper plate 3 is sandwiched between two stainless steel sheets 1 and 2, and then the sides are welded with stainless steel welding rods 5 and 5 to the stainless steel strips 4 and 4 '. After putting it up in a heating furnace, it is heated to a melting point of copper from 1083 ℃ to 1150 ℃ and the copper sheet is semi-melted. The stainless steel plate and the copper plate are to be more firmly bonded.

본 발명의 특징은 상기와 같이 구리의 용융점보다 약간 높은 온도까지 접합 용판재의 온도를 높임으로서 반용융 상태와 구리가 이 보다 용융점이 높은 스텐레스 강판이 고열로 달아 있는 상태에서 압연 용착하게 하는 것이다.A feature of the present invention is to increase the temperature of the joining plate material to a temperature slightly higher than the melting point of copper as described above, so that the semi-melt state and the stainless steel sheet having a higher melting point than that of copper are rolled and welded in high heat.

따라서 스텐레스 강판과 구리간에는 구리-스텐레스 강의 합금층이 엷게 형성되어 금속과 금속이 용착되는 것이므로 가장 견고하게 접합되는 효과가 있고 경고하고 표면이 미려한 스텐레스 강의 장점과 전기 전도도와 열전도도가 우수한 구리의 장점을 겸비한 판재를 얻을 수 있어 전기용품재료 및 주방기기용품재료로 널리 사용된다.Therefore, the alloy layer of copper-stainless steel is thinly formed between the stainless steel sheet and the copper, so that the metal and the metal are welded. It is widely used as an electric appliance material and a kitchen utensil material as it can obtain a plate having both.

본 발명의 실시예를 설명하면 다음과 같다.An embodiment of the present invention will be described as follows.

[실시예 1]Example 1

두께 3㎜의 No304 스텐레스 강판을 가로 150㎜ 세로 100㎜ 크기로 절단하여 세제로 세척한 다음 트리클로로에틸렌으로 탈지하였다.The No304 stainless steel plate having a thickness of 3 mm was cut into a size of 150 mm long and 100 mm long, washed with detergent, and degreased with trichloroethylene.

이와 같이 탈지한 스텐레스 강판 사이에 같은 방법으로 탈지한 6㎜두께의 구리판을 끼워 넣은 후 제1도와 같이 양측변을 스텐레스 강 용접봅으로 알곤 용접하였다.A copper plate of 6 mm thickness degreased in the same manner was sandwiched between the stainless steel sheets thus degreased, and then welded to both sides with a stainless steel welding bob as shown in FIG.

이와 같이 사전 처리한 것을 전기로에 세워서 넣고 1100℃에서 15분내지 20분 동안 가열한 뒤 공냉하였다.The pretreatment as such was placed upright in an electric furnace and heated at 1100 ° C. for 15 to 20 minutes, followed by air cooling.

이것을 950℃에서 매회 20%씩 총 80%압연하여 최종 판 두께 2.4㎜의 스텐레스 강-구리-스텐레스 강의 복합 판재를 얻었다.This was rolled at 80% by 20% each time at 950 ° C. to obtain a composite sheet of stainless steel-copper-stainless steel with a final sheet thickness of 2.4 mm.

[실시예 2]Example 2

가열온도를 1150℃로 하는 것외에는 다른 조건을 모두 제1실시예와 동일하게 하여 동일한 복합판재를 얻었다.The same composite plate material was obtained by carrying out other conditions similar to Example 1 except having made heating temperature 1150 degreeC.

[실시예 3]Example 3

스텐레스 강판 두께를 3㎜, 구리판의 두께를 9㎜로한 것외는 다른 조건을 모두 제2실시예와 동일하게 하여 동일한 성질과 특성의 판재를 얻었다.Except having made the stainless steel plate thickness 3mm and the copper plate thickness 9mm, all other conditions were carried out similarly to Example 2, and the board | plate material of the same property and characteristic was obtained.

Claims (1)

두개의 스텐레스 강판(1)(2)사이에 구리판(3)을 삽입 적층하여 구리판(3)의 양측변에는 스텐레스강대(4)(4')를 덧 대어서 양측변을 스텐레스 강 용접봉으로 알곤 용접(5)(5')하여 양측변을 접합한 후 전기 가열로 속에서 구리의 용융 적임 1083℃ 내지 1150℃로 가열하여 상온에서 공냉후 950℃에서 열간압연하는 것을특징으로 하는 스텐레스 강-구리-스텐레스 강 복합 판재의 제조 방법.A copper plate 3 is inserted and laminated between two stainless steel sheets 1 and 2, and a stainless steel strip 4 and 4 'is attached to both sides of the copper plate 3 to weld both sides with a stainless steel welding rod. 5) (5 ') After joining the two sides, it is suitable for melting of copper in electric heating furnace. Heated from 1083 ℃ to 1150 ℃, air-cooled at room temperature and hot rolled at 950 ℃. Method for manufacturing steel composite sheet.
KR1019860010364A 1986-12-04 1986-12-04 Stainless steel-copper board joint of coffin KR890004385B1 (en)

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KR1019860010364A KR890004385B1 (en) 1986-12-04 1986-12-04 Stainless steel-copper board joint of coffin

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KR1019860010364A KR890004385B1 (en) 1986-12-04 1986-12-04 Stainless steel-copper board joint of coffin

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KR890004385B1 true KR890004385B1 (en) 1989-11-03

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101279112B1 (en) * 2011-09-26 2013-06-26 충남대학교산학협력단 A manufacturing method of clad plate using the precipitation hardening cu alloys as the insert bonding materials and the clad plat obtained using the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101279112B1 (en) * 2011-09-26 2013-06-26 충남대학교산학협력단 A manufacturing method of clad plate using the precipitation hardening cu alloys as the insert bonding materials and the clad plat obtained using the same

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KR880007229A (en) 1988-08-26

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