KR20170076694A - 다층 pvd 코팅을 포함하는 절삭 공구 - Google Patents
다층 pvd 코팅을 포함하는 절삭 공구 Download PDFInfo
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Abstract
Description
Claims (14)
- 경질 금속, 서멧, 세라믹, 강 또는 고속도강으로 이루어진 기재, 및
PVD 법을 이용하여 적용되고 1 ㎛ 내지 20 ㎛ 의 총 두께를 갖는 다층 코팅을 포함하는 공구로서,
상기 다층 코팅은 접착층 및 상기 접착층 상에 직접 성막된 내마모 보호층을 포함하고,
상기 접착층은 음극 진공 아크 기상 증착 (아크 PVD) 에 의해 성막되고, 다층 디자인을 갖고, 하나 위에 다른 하나가 직접 배치된 상기 접착층의 층들은 상이한 조성을 갖고, 상기 접착층의 다중 층들은 Ti, V, Cr, Zr, Nb, Mo, Ru, Hf, Ta, W, Al, Si, Y, Li 및 B 로부터 선택된 적어도 2 개의 상이한 금속들의 카바이드, 나이트라이드, 옥사이드, 카보나이트라이드, 옥시카바이드, 카복시나이트라이드, 및 그의 고용체로부터 각각 형성되고,
상기 내마모 보호층은 고전력 충격 마그네트론 스퍼터링 (HIPIMS) 에 의해 성막되고, 단층 또는 다층 디자인을 갖고, 상기 내마모 보호층의 하나 이상의 층들은 Ti, V, Cr, Zr, Nb, Mo, Ru, Hf, Ta, W, Al, Si, Y, Li 및 B 로부터 선택된 적어도 2 개의 상이한 금속들의 카바이드, 나이트라이드, 옥사이드, 카보나이트라이드, 옥시카바이드, 카복시나이트라이드, 및 그의 고용체로부터 각각 형성되는, 공구. - 제 1 항에 있어서,
상기 접착층의 층들은 Ti, Al, Si, 및 Cr 으로부터 선택된 적어도 2 개의 상이한 금속들의 나이트라이드 또는 카보나이트라이드, 바람직하게는 AlCrN, AlCrSiN, TiAlN, TiAlSiN, 및 TiSiN, 특히 바람직하게는 TiAlN 으로부터 각각 형성되는 것을 특징으로 하는 공구. - 제 1 항 또는 제 2 항에 있어서,
상기 다층 접착층은 하나 위에 다른 하나가 배치된 적어도 4 개, 바람직하게는 적어도 10 개 그리고 300 개 이하, 바람직하게는 100 개 이하, 특히 바람직하게는 50 개 이하의 층을 갖는 것을 특징으로 하는 공구. - 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,
상기 다층 접착층 내에서, 비커스 경도가 상기 기재로부터 상기 내마모 보호층으로의 방향으로 기재 표면에 수직으로 증가하고, 상기 다층 접착층 내의 비커스 경도는 1800 HV 내지 3500 HV, 바람직하게는 2000 HV 내지 3300 HV 인 것을 특징으로 하는 공구. - 제 1 항 내지 제 4 항 중 어느 한 항에 있어서,
상기 다층 접착층 내에서, 탄성 계수 (E 계수 / 영률) 가 상기 기재로부터 상기 내마모 보호층으로의 방향으로 기재 표면에 수직으로 증가하고, 상기 다층 접착층 내의 탄성 계수 (E 계수) 의 값이 380 GPa 내지 550 GPa, 바람직하게는 420 GPa 내지 500 GPa 인 것을 특징으로 하는 공구. - 제 1 항 내지 제 5 항 중 어느 한 항에 있어서,
기재 표면에 수직한 다층 접착층은 0.01 ㎛ 내지 1 ㎛, 바람직하게는 0.05 ㎛ 내지 0.6 ㎛, 특히 바람직하게는 0.1 ㎛ 내지 0.4 ㎛ 의 두께를 갖고, 그리고/또는 단층 또는 다층 내마모 보호층은 0.4 ㎛ 내지 20 ㎛, 바람직하게는 1 ㎛ 내지 10 ㎛, 특히 바람직하게는 1.5 ㎛ 내지 5 ㎛ 의 두께를 갖는 것을 특징으로 하는 공구. - 제 1 항 내지 제 6 항 중 어느 한 항에 있어서,
상기 다층 접착층의 두께에 대한 단층 또는 다층 내마모 보호층의 두께의 비가 적어도 2.0, 바람직하게는 적어도 2.3, 특히 바람직하게는 적어도 3.5, 매우 특히 바람직하게는 적어도 4.0 인 것을 특징으로 하는 공구. - 제 1 항 내지 제 7 항 중 어느 한 항에 있어서,
상기 다층 접착층의 층들은 상이한 조성을 갖는 티타늄 알루미늄 나이트라이드의 교호 층들을 포함하고,
(30 내지 36):(70 내지 64) 의 Ti:Al 비의 층들이 (40 내지 60):(60 내지 40), 바람직하게는 (47 내지 53):(53 내지 47) 의 Ti:Al 비를 갖는 층들과 교호하는 것을 특징으로 하는 공구. - 제 1 항 내지 제 8 항 중 어느 한 항에 있어서,
내마모 보호 코팅은 다층이고, 하나 위에 다른 하나가 배치된 적어도 2, 4 또는 10 개의 층들 그리고 하나 위에 다른 하나가 배치된 50 개, 100 개 또는 300 개 이하의 층들을 갖는 것을 특징으로 하는 공구. - 제 1 항 내지 제 9 항 중 어느 한 항에 있어서,
상기 기재와 상기 접착층 사이에 적어도 하나의 다른 경질 재료 층, 바람직하게는 TiN 또는 금속 Ti 층이 제공되고, 그리고/또는 상기 내마모 보호 코팅 위에 적어도 하나의 다른 경질 재료 층, 바람직하게는 TiN, TiCN, ZrN 의 하나 이상의 장식층이 제공되는 것을 특징으로 하는 공구. - 피복 공구의 제조 방법으로서,
PVD 프로세스에 의해 1 ㎛ 내지 20 ㎛ 의 전체 두께를 갖는 다층 코팅을 경질 금속, 서멧, 세라믹, 강 또는 고속도강의 베이스 보디에 적용하는 단계로서, 상기 다층 코팅은 접착층 및 상기 접착층 바로 위에 성막된 내마모 보호층을 포함하는, 상기 적용하는 단계를 포함하고,
상기 접착층은 다층 디자인을 갖도록 반응성 또는 비반응성 음극 진공 아크 기상 증착 (아크 PVD) 에 의해 성막되고, 하나 위에 다른 하나가 직접 각각 배치된 상기 접착층의 2 개의 층들은 상이한 조성을 갖고, 상기 접착층의 다중 층들은 Ti, V, Cr, Zr, Nb, Mo, Ru, Hf, Ta, W, Al, Si, Y, Li 및 B 로부터 선택된 적어도 2 개의 상이한 금속들의 카바이드, 나이트라이드, 옥사이드, 카보나이트라이드, 옥시카바이드, 카복시나이트라이드, 및 그의 고용체로부터 형성되고,
상기 내마모 보호층은 단층 또는 다층 디자인을 갖도록 고전력 충격 마그네트론 스퍼터링 (HIPIMS) 에 의해 성막되고, 상기 내마모 보호층의 하나 이상의 층들은 Ti, V, Cr, Zr, Nb, Mo, Ru, Hf, Ta, W, Al, Si, Y, Li 및 B 로부터 선택된 적어도 2 개의 상이한 금속들의 카바이드, 나이트라이드, 옥사이드, 카보나이트라이드, 옥시카바이드, 카복시나이트라이드, 및 그의 고용체로부터 각각 형성되는, 피복 공구의 제조 방법. - 제 11 항에 있어서,
상기 접착층의 층들은 Ti, Al, Si, 및 Cr 로부터 선택된 적어도 2 개의 상이한 금속들의 나이트라이드 또는 카보나이트라이드로부터, 바람직하게는 AlCrN, AlCrSiN, TiAlN, TiAlSiN, 및 TiSiN 로부터, 특히 바람직하게는 TiAlN 로부터 각각 형성되는 것을 특징으로 하는, 피복 공구의 제조 방법. - 제 11 항 또는 제 12 항에 있어서,
다층 접착층은 하나 위에 다른 하나가 배치된 적어도 4 개, 바람직하게는 적어도 10 개 그리고 300 개 이하, 바람직하게는 100 개 이하, 특히 바람직하게는 50 개 이하의 층들을 갖는 것을 특징으로 하는, 피복 공구의 제조 방법. - 제 11 항 내지 제 13 항 중 어느 한 항에 있어서,
다층 접착층의 성막을 위한 성막 파라미터는, 상기 다층 접착층 내에서, 비커스 경도가 기재로부터 상기 내마모 보호층으로의 방향으로 기재 표면에 수직으로 증가하도록 변화되고, 상기 다층 접착층 내의 비커스 경도는 1800 HV 내지 3500 HV, 바람직하게는 2000 HV 내지 3300 HV 이고,
상기 다층 접착층의 성막 중에 변화되는 상기 성막 파라미터는 적어도 바이어스 전위를 포함하는 것을 특징으로 하는, 피복 공구의 제조 방법.
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| Application Number | Priority Date | Filing Date | Title |
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| EP14191910.0A EP3018233A1 (de) | 2014-11-05 | 2014-11-05 | Schneidwerkzeug mit mehrlagiger PVD-Beschichtung |
| EP14191910.0 | 2014-11-05 | ||
| PCT/EP2015/074277 WO2016071104A1 (de) | 2014-11-05 | 2015-10-20 | Schneidwerkzeug mit mehrlagiger pvd-beschichtung |
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| Publication Number | Publication Date |
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| KR20170076694A true KR20170076694A (ko) | 2017-07-04 |
| KR102421534B1 KR102421534B1 (ko) | 2022-07-14 |
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| US (2) | US20180223436A1 (ko) |
| EP (2) | EP3018233A1 (ko) |
| JP (1) | JP6854241B2 (ko) |
| KR (1) | KR102421534B1 (ko) |
| CN (1) | CN107075692A (ko) |
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| Publication number | Publication date |
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| EP3018233A1 (de) | 2016-05-11 |
| JP6854241B2 (ja) | 2021-04-07 |
| JP2018501408A (ja) | 2018-01-18 |
| KR102421534B1 (ko) | 2022-07-14 |
| US20200255953A1 (en) | 2020-08-13 |
| US20180223436A1 (en) | 2018-08-09 |
| EP3215651A1 (de) | 2017-09-13 |
| CN107075692A (zh) | 2017-08-18 |
| EP3215651B1 (de) | 2021-12-15 |
| WO2016071104A1 (de) | 2016-05-12 |
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