KR20200076830A - 합금 코팅강판 및 그 제조방법 - Google Patents
합금 코팅강판 및 그 제조방법 Download PDFInfo
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- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
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Abstract
Description
도 2는 본 발명의 일 실시예에 의한 합금 코팅강판에서 후처리층이 형성되기 전의 단면 모식도이다.
도 3은 본 발명의 실시예 1에 의한 합금 코팅강판의 엑스선회절 그래프를 나타낸 도면이다.
도 4는 본 발명의 실시예 2에 의한 합금 코팅강판의 엑스선회절 그래프를 나타낸 도면이다.
도 5는 본 발명의 실시예 1 및 실시예 2에 의한 백청 발생 사진을 나타낸 도면이다.
Claims (14)
- 강판;
상기 강판 상에 위치하는 Al-Mg-Si 합금층; 및
상기 Al-Mg-Si 합금층 상에 위치하는 후처리층;을 포함하고,
상기 후처리층은 올레핀계 수지를 포함하는 합금 코팅강판. - 제1항에 있어서,
상기 후처리층은,
크롬 화합물, 크롬프리 조성물 및 지르코늄계 킬레이트제 중에서 1종 이상을 더 포함하는 합금 코팅강판. - 제1항에 있어서,
상기 Al-Mg-Si 합금층은,
전체 100 중량%에 대하여, 30 중량% 이하의 Mg를 포함하는 합금 코팅강판. - 제3항에 있어서,
상기 Al-Mg-Si 합금층은,
Al-Mg 합금상 및 Mg-Si 합금상 중에서 1종 이상을 포함하는 합금 코팅강판. - 제4항에 있어서,
상기 Al-Mg 합금상은,
Al3Mg2 및 Al12Mg17 중에서 1종 이상을 포함하는 합금 코팅강판. - 제4항에 있어서,
상기 Mg-Si 합금상은,
Mg2Si를 포함하는 합금 코팅강판. - 제4항에 있어서,
상기 Al-Mg-Si 합금층에서 상기 Mg는 상기 Al-Mg 합금상으로 존재하거나, 상기 Mg-Si 합금상으로 존재하는 합금 코팅강판. - 제1항에 있어서,
상기 강판 및 상기 Al-Mg-Si 합금층 사이에 위치하는 Al-Fe-Si 합금층;을 더 포함하는 합금 코팅강판. - Al 및 Si를 포함하는 도금층이 형성된 도금강판을 마련하는 마련단계;
상기 도금층 상에 Mg가 포함된 Mg 코팅층을 형성시키는 코팅단계;
상기 Mg 코팅층이 형성된 도금강판을 열처리하여 상기 Mg를 상기 도금층으로 확산시키는 열처리단계; 및
상기 Mg의 확산으로 형성된 Al-Mg-Si 합금층 상에 후처리 용액을 도포하는 후처리단계;를 포함하고,
상기 후처리 용액은 올레핀계 수지를 포함하는 합금 코팅강판 제조방법. - 제9항에 있어서,
상기 마련단계에서,
상기 도금강판은 용융 알루미늄 도금강판인 합금 코팅강판 제조방법. - 제9항에 있어서,
상기 코팅단계에서,
물리기상증착(PVD)을 이용하여 상기 Mg 코팅층을 형성시키는 합금 코팅강판 제조방법. - 제9항에 있어서,
상기 열처리단계에서,
300 내지 450℃의 온도로 열처리하는 합금 코팅강판 제조방법. - 제9항에 있어서,
상기 열처리단계에서,
5 내지 600초 동안 열처리하는 합금 코팅강판 제조방법. - 제9항에 있어서,
상기 후처리단계에서,
상기 후처리 용액을 상기 Al-Mg-Si 합금층 상에 0.5 내지 2g/m2로 도포하는 합금 코팅강판 제조방법.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020180165654A KR20200076830A (ko) | 2018-12-19 | 2018-12-19 | 합금 코팅강판 및 그 제조방법 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020180165654A KR20200076830A (ko) | 2018-12-19 | 2018-12-19 | 합금 코팅강판 및 그 제조방법 |
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| Publication Number | Publication Date |
|---|---|
| KR20200076830A true KR20200076830A (ko) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020180165654A Ceased KR20200076830A (ko) | 2018-12-19 | 2018-12-19 | 합금 코팅강판 및 그 제조방법 |
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| Country | Link |
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| KR (1) | KR20200076830A (ko) |
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2018
- 2018-12-19 KR KR1020180165654A patent/KR20200076830A/ko not_active Ceased
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