KR20170103030A - 복합 재료의 용접 공정 및 그로부터 제조된 제품 - Google Patents
복합 재료의 용접 공정 및 그로부터 제조된 제품 Download PDFInfo
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- KR20170103030A KR20170103030A KR1020177024347A KR20177024347A KR20170103030A KR 20170103030 A KR20170103030 A KR 20170103030A KR 1020177024347 A KR1020177024347 A KR 1020177024347A KR 20177024347 A KR20177024347 A KR 20177024347A KR 20170103030 A KR20170103030 A KR 20170103030A
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- welding
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
- F16B5/08—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of welds or the like
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- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/10—Spot welding; Stitch welding
- B23K11/11—Spot welding
- B23K11/115—Spot welding by means of two electrodes placed opposite one another on both sides of the welded parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/002—Resistance welding; Severing by resistance heating specially adapted for particular articles or work
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- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/16—Resistance welding; Severing by resistance heating taking account of the properties of the material to be welded
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- B23K26/244—Overlap seam welding
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- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by any single one of main groups B23K1/00 - B23K28/00
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- Engineering & Computer Science (AREA)
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Abstract
Description
도 2a는 심재 층에 사용된 금속섬유를 도시한 현미경 사진이다.
도 2b, 2c, 2d, 2e, 2f, 2g, 2h, 2i, 및 2는 하나 이상의 수직면을 갖는 섬유의 단면을 도시한 도면(섬유의 길이를 가로지르는 방향)이다.
도 3 금속 섬유 및 중합체를 포함하는 심재 층을 나타낸 현미경 사진이다.
도 4 두 금속 층, 금속 섬유, 및 중합체를 포함하는 경량 복합물을 나타내는 현미경 사진이다.
도 5는 용접 전류 범위 약 2.0 kA 이상을 갖는 아연도금 금속에 용접된 경량의 복합 재료에 대한, 용접 버튼 크기(mm 단위)와 용접 전류(kA 단위)의 관계를 나타낸 그래프이다.
도 6은 용접 전류 범위 약 2.0 kA 이상을 갖는 도금되지 않은 심가공 강판에 용접된 경량의 복합 재료에 대한, 용접 버튼 크기( mm 단위)와 용접 전류(kA 단위)의 관계를 나타낸 그래프이다.
도 7은 용접 전류 범위 약 1.5 kA 이상(예를 들어, 약 1.7 kA)을 갖는 아연도금 금속에 용접된 경량의 복합 재료에 대한, 용접 버튼 크기(mm 단위)와 용접 전류(kA 단위)의 관계를 나타낸 그래프이다.
도 8 용접 전류 범위 약 1.5 kA 이상(예를 들어, 약 1.7 kA)을 갖는 용융 아연도금 금속에 용접된 경량의 복합 재료에 대한, 용접 버튼 크기(mm 단위)와 용접 전류(kA 단위)의 관계를 나타낸 그래프이다.
도 9a 및 9b는 다른 시간에서 용접 공정 중의 용접 스택의 단면의 일부를 나타낸 것이다.
도 10은 저항 용접 장치를 나타낸 도면이다.
14: 첫 번째 금속 층
14': 두 번째 금속 층
16: 중합체 층
18: 중합체 상
20: 충진제 상
Claims (20)
- 기재 재료와 복합 재료를 접촉시키는 단계를 포함하는 용접 공정에 있어서,
복합재료는 한쌍의 서로 떨어진 강철 시트와 그 시트 사이의 심재 층을 포함하고;
심재 층의 부피는 전체 복합 재료 부피의 25 부피 % 이상이고;
심재 층은 심재층의 두께로 연장된 하나 이상의 섬유 덩어리에 배열된 다수의 강철 섬유를 포함하여 강철 시트와 전기적으로 통하고;
강철 섬유는 섬유 길이에 직교하는 사각형의 단면을 가지고, 1 x 10-5 ㎟ 내지 2.5 x 10-2 ㎟ 의 단면적을 갖는 것을 특징으로 하는 용접 공정. - 제 1항에 있어서, 상기 공정은 2.5 kA 내지 25 kA의 용접 전류를 기재 및 복합 재료에 적용하여 기재와 복합 재료를 용접시켜, 1 ㎟ 이상의 용접 버튼 을 얻는 것을 특징으로 하는 공정.
- 제 1 항 또는 제 2 항에 있어서, 금속 섬유의 농도는 복합 재료의 심재 층의 전체 부피를 기준으로 10 부피% 내지 30 부피%인 것을 특징으로 하는 공정.
- 제 1 항 내지 제 3 항 중의 어느 한 항에 있어서, 복합 재료는 복합 재료를 0.8 mm 두께의 냉간 압연강에 용접하기 위한 가공창을 가지고, 가공창은 용접 전류 범위 1.2 내지 3.5 kA로 특정되는 것을 특징으로 하는 공정.
- 제 1 항 내지 제 4 항 중의 어느 한 항에 있어서, 기재의 정동작 저항에 대한 복합 재료의 정동작 저항의 비율이 2 내지 30인 것을 특징으로 하는 공정.
- 제 1 항 내지 제 5 항 중의 어느 한 항에 있어서, 심재 층은 폴리올레핀, 폴리아미드, 폴리에스테르, 폴리에테르, 폴리스티렌, 아크릴로니트릴을 포함하는 중합체, 아크릴산을 포함하는 중합체, 아크릴래이트를 포함하는 중합체, 폴리이미드, 폴리카보네이트, 이오노머, 및 상기 중합체 하나 이상을 포함하는 공중합체로 구성된 그룹으로부터 선택된 하나 이상의 중합체를 포함하는 중합체 매트릭스를 포함하는 것을 특징으로 하는 공정.
- 제 1 항 내지 제 6 항 중의 어느 한 항에 있어서, 금속 섬유는 일반적으로 사각형의 단면을 갖는 것을 특징으로 하는 공정.
- 제 1 항 내지 제 7 항 중의 어느 한 항에 있어서, 복합 재료의 두께는 0.4 내지 4 mm인 것을 특징으로 하는 공정.
- 제 1 항 내지 제 8 항 중의 어느 한 항에 있어서, 공정은 첫 번째 용접 단계 동안 용접 전류를 기재 및 복합 재료에 부가하는 단계 및 두 번째 용접 단계 동안 다른 용접 전류를 기재 및 복합 재료에 부가하는 단계를 포함하는 다단계 용접 공정을 사용하여, 복합 재료와 기재 사이에 용접이 형성되도록 하는 것을 특징으로 하는 공정.
- 제 9 항에 있어서, 복합 재료는 1 mm 이상의 두께를 갖는 것을 특징으로 하는 공정.
- 제 9 항 또는 제 10 항에 있어서, 다단계 용접 공정에 의해 형성된 용접은 복합 재료와 기재 사이에 이미 형성된 다른 용접으로부터 200 mm 이하로 떨어져 위치하는 것을 특징으로 하는 공정.
- 제 1 항 내지 제 11 항 중의 어느 한 항에 있어서, 복합 재료는 스탬프된 모양을 갖는 것을 특징으로 하는 공정.
- 제 1 항 내지 제 12 항 중의 어느 한 항에 있어서, 복합 재료의 두께 방향을 통하는 정동작 저항은 복합 재료의 금속 시트와 동일한 금속으로 만들어지고 복합 재료와 동일한 두께를 갖는 단일 재료의 정동작 저항의 2 배 이상 큰 것을 특징으로 하는 공정.
- 제 13 항에 있어서, 저항 스폿 용접 동안 금속 방출이 일어나지 않도록 용접 전류는 충분히 낮고 용접 시간은 충분히 짧은 것을 특징으로 하는 공정.
- 제 1 항 내지 제 14 항 중의 어느 한 항에 있어서, 복합 재료의 금속 시트 쌍의 합해진 두께는 0.6 mm 이하이고 복합 재료 전체 두께의 75% 이하인 것을 특징으로 하는 공정.
- 제 1 항 내지 제 15 항 중의 어느 한 항에 있어서, 공정은 용접 스택의 한 표면을 접촉하는 첫 번째 전극 및 용접 스택의 다른 표면을 접촉하는 두 번째 전극을 포함하는 한 쌍의 전극을 사용하여 기재를 포함하는 용접 스택을 저항 스폿 용접하는 단계를 포함하고; 저항 스폿 용접 단계는 첫 번째 전극의 표면의 50% 이상의 용접 버튼 크기를 갖도록 첫 번째 및 두 번째 전극 사이에 충분한 시간 동안 충분한 전류를 통과시키는 것을 특징으로 하는 공정.
- 제 1 항 내지 제 16 항 중의 어느 한 항에 있어서, i) 심재 층의 부피는 복합 재료 전체 부피의 25 부피% 이상;이고 ii) 복합 재료를 복합재료와 동일한 두께의 냉간 압연강 기재에 용접하기 위한 용접 전류 범위는 단일 강철 시트를 냉간 압연강 기재에 용접하기 위한 용접 전류 범위보다 크도록 심재 층의 금속 섬유의 농도는 충분히 낮고, 단일 강철 시트의 두께는 복합재료의 두 강철 시트의 전체 두께와 거의 동일한 것을 특징으로 하는 공정.
- 제 1 항 내지 제 17 항 중의 어느 한 항에 있어서, 심재 층은 10 부피% 내지 약 30 부피% 금속 섬유를 포함하고, 금속 섬유는 섬유 길이에 가로방향으로 일반적으로 사각형의 단면을 가지고, 그 단면적은 8 x 10-5 ㎟ 이상이어서, 각각 면 직경 3.8 mm를 갖는 두 전극 사이에서 약 2200 kN의 부하를 걸어 약 25 mm 및 길이 25 mm의 시료를 사용하여 측정할 때 복합 재료의 정동작 저항은 1.5 밀리옴 이하가 되는 것을 특징으로 하는 공정.
- 제 1 항 내지 제 18 항 중의 어느 한 항의 방법에 의해 제조된 용접 이음.
- i) 복합 재료; ii) 강철 기재; 및 iii) a) 2㎟ 이상 크기의 용접 버튼; b) 1 kN 이상의 인장 강도; 또는 c) 금속 방출이 없는 용접으로 특정되는, 용접 이음을 포함하는, 제 1 항 내지 제 18 항 중의 어느 한 항의 방법에 의해 제조된 용접된 제품
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2010
- 2010-12-27 KR KR1020127019948A patent/KR101774911B1/ko not_active Expired - Fee Related
- 2010-12-27 CN CN201080064854.6A patent/CN102844141B/zh not_active Expired - Fee Related
- 2010-12-27 EP EP10841620.7A patent/EP2519376B1/en active Active
- 2010-12-27 CA CA2822748A patent/CA2822748C/en active Active
- 2010-12-27 KR KR1020177024347A patent/KR20170103030A/ko not_active Ceased
- 2010-12-27 US US12/978,974 patent/US8796580B2/en active Active
- 2010-12-27 WO PCT/US2010/062138 patent/WO2011082128A1/en not_active Ceased
- 2010-12-27 JP JP2012546253A patent/JP5911019B2/ja not_active Expired - Fee Related
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2014
- 2014-06-04 US US14/295,822 patent/US9239068B2/en active Active
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2016
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- 2016-03-09 JP JP2016046176A patent/JP2016165896A/ja active Pending
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2018
- 2018-02-06 JP JP2018019696A patent/JP2018108735A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN102844141B (zh) | 2016-05-25 |
| EP2519376B1 (en) | 2020-11-25 |
| JP5911019B2 (ja) | 2016-04-27 |
| CN102844141A (zh) | 2012-12-26 |
| CA2822748C (en) | 2021-06-01 |
| US9239068B2 (en) | 2016-01-19 |
| EP2519376A1 (en) | 2012-11-07 |
| US20160222999A1 (en) | 2016-08-04 |
| CA2822748A1 (en) | 2011-07-07 |
| JP2018108735A (ja) | 2018-07-12 |
| US20140286699A1 (en) | 2014-09-25 |
| JP2013515613A (ja) | 2013-05-09 |
| EP2519376A4 (en) | 2017-11-08 |
| KR101774911B1 (ko) | 2017-09-05 |
| JP2016165896A (ja) | 2016-09-15 |
| US20110188927A1 (en) | 2011-08-04 |
| WO2011082128A1 (en) | 2011-07-07 |
| US8796580B2 (en) | 2014-08-05 |
| WO2011082128A8 (en) | 2011-09-01 |
| KR20120125982A (ko) | 2012-11-19 |
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