KR20070020225A - 탄화탄탈 피복 탄소재료 및 그 제조 방법 - Google Patents
탄화탄탈 피복 탄소재료 및 그 제조 방법 Download PDFInfo
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- KR20070020225A KR20070020225A KR1020067019705A KR20067019705A KR20070020225A KR 20070020225 A KR20070020225 A KR 20070020225A KR 1020067019705 A KR1020067019705 A KR 1020067019705A KR 20067019705 A KR20067019705 A KR 20067019705A KR 20070020225 A KR20070020225 A KR 20070020225A
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Abstract
Description
Claims (21)
- 탄소기재, 및 상기 탄소기재 상에 형성된 피복막을 포함하는 탄화탄탈 피복 탄소재료에 있어서, 상기 피복막은 탄화탄탈의 (220) 면에서 다른 밀러면들과 비교하여 특별하게 발달되는 탄화탄탈의 결정으로 이루어지고, 피복막의 X선 회절패턴에 있어서, 탄화탄탈의 (220) 면의 회절선이 최대의 회절 강도를 나타내는 것을 특징으로 하는 탄화탄탈 피복 탄소재료.
- 제 1 항에 있어서, 상기 피복막의 X선 회절패턴에 있어서, 상기 탄화탄탈의 (220) 면의 회절선의 반값폭은 0.2° 이하인 것을 특징으로 하는 탄화탄탈 피복 탄소재료.
- 제 1 항 또는 제 2 항에 있어서, 상기 피복막의 X선 회절패턴에서, 상기 탄화탄탈의 (220) 면의 회절선은, 2번째로 큰 회절선의 회절강도 보다 4 배 이상의 강도를 나타내는 것을 특징으로 하는 탄화탄탈 피복 탄소재료.
- 제 1 항 내지 제 3 항 중 어느 한 항에 있어서, 상기 피복막의 질소가스 투과율은 1O-6 ㎠/sec 이하인 것을 특징으로 하는 탄화탄탈 피복 탄소재료.
- 제 1 항 내지 제 4 항 중 어느 한 항에 있어서, 상기 피복막의 두께는 10 ~ 100㎛ 인 것을 특징으로 하는 탄화탄탈 피복 탄소재료.
- 탄소 기재 및 상기 탄소 기재 상에 형성된 피복막을 포함하는 탄화탄탈 피복 탄소재료의 제조방법에 있어서, 상기 피복막은 탄화탄탈 결정으로 이루어지고, 상기 피복막의 X선 회절패턴에 있어서, 탄화탄탈의 (220) 면의 회절선은 최대의 회절 강도를 나타내며, 1600 ~ 2400℃ 의 열처리로 피복막의 탄화탄탈의 결정성을 향상시키는 것을 특징으로 하는 탄화탄탈 피복 탄소재료의 제조방법.
- 탄소기재, 탄소기재 상에 형성되며 탄소와 탄탈을 포함하는 조성물로 이루어지는 중간층, 및 중간층 상에 형성된 탄화탄탈을 포함하는 조성물로 이루어지는 피복막을 포함하는 탄화탄탈 피복 탄소재료.
- 제 7 항에 있어서, 상기 중간층은 피복막 보다 불균일한 화학 조성분포를 갖는 것을 특징으로 하는 탄화탄탈 피복 탄소재료.
- 제 7 항 또는 제 8 항에 있어서, 상기 중간층은 피복막 보다 다공질인 것을 특징으로 하는 탄화탄탈 피복 탄소재료.
- 제 9 항에 있어서, 상기 중간층은 탄소기재의 표층부분을 탄화탄탈로 전화하 여 얻어진 다공질층인 것을 특징으로 하는 탄화탄탈 피복 탄소재료.
- 제 8 항에 있어서, 상기 중간층은 탄소기재의 표면의 기공에 탄화탄탈을 매설하여 얻어지는 층인 것을 특징으로 하는 탄화탄탈 피복 탄소재료.
- 제 7 항 내지 제 11 항 중 어느 한 항에 있어서, 상기 중간층은 농도구배를 갖는 경사재료층이며, 탄소기재 측에서 피복막측으로 탄소/탄탈의 원자비는 연속적 또는 단계적으로 낮아지는 것을 특징으로 하는 탄화탄탈 피복 탄소재료.
- 제 12 항에 있어서, 상기 경사재료층의 탄소/탄탈의 원자비의 최대값은 10 이상이고, 최소값은 0.8 ~ 1.2인 것을 특징으로 하는 탄화탄탈 피복 탄소재료.
- 제 7 항 내지 제 13 항 중 어느 한 항에 있어서, 상기 중간층의 두께는 1㎛ 이상인 것을 특징으로 하는 탄화탄탈 피복 탄소재료.
- 제 7 항 내지 제 14 항 중 어느 한 항에 있어서, 상기 피복막은 탄화탄탈의 화학 증착막인 것을 특징으로 하는 탄화탄탈 피복 탄소재료.
- 제 7 항 내지 제 15 항 중 어느 한 항에 있어서, 상기 피복막에 있어서의 탄소/탄탈의 원자비는 0.8 ~ 1.2인 것을 특징으로 하는 탄화탄탈 피복 탄소재료.
- 제 7 항 내지 제 16 항 중 어느 한 항에 있어서, 상기 피복막의 X선 회절패턴에서, 상기 탄화탄탈의 (220) 면의 회절선은, 최대 회절강도를 나타내는 것을 특징으로 하는 탄화탄탈 피복 탄소재료.
- 제 17 항에 있어서, 상기 피복막의 X선 회절패턴에서, 상기 탄화탄탈의 (220) 면의 회절선은, 2 번째로 큰 회절선의 회절강도의 4배 이상의 강도를 나타내는 것을 특징으로 하는 탄화탄탈 피복 탄소재료.
- 제 17 항 또는 제 18 항에 있어서, 상기 피복막의 X선 회절패턴에서, 상기 탄화탄탈의 (220) 면의 회절선의 반값폭은 0.2° 이하인 것을 특징으로 하는 탄화탄탈 피복 탄소재료.
- 제 17 항 내지 제 19 항 중 어느 한 항에 있어서, 상기 피복막은 탄화탄탈의 화학증착막을 1600~2000℃의 가열처리에 의해 얻어지는 것을 특징으로 하는 탄화탄탈 피복 탄소재료.
- 제 17 항 내지 제 20 항 중 어느 한 항에 있어서, 20℃ 에서 1000℃ 로 가열함으로써 측정되는 피복막의 열팽창계수는 6.9 × 10-6 ~ 7.8 × 10-6/K 인 것을 특 징으로 하는 탄화탄탈 피복 탄소재료.
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JPJP-P-2005-00255744 | 2005-09-02 | ||
JP2005255744A JP3779314B1 (ja) | 2005-02-14 | 2005-09-02 | 炭化タンタル被覆炭素材料およびその製造方法 |
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US (1) | US8216667B2 (ko) |
EP (1) | EP1852407B9 (ko) |
JP (1) | JP5275567B2 (ko) |
KR (1) | KR100835157B1 (ko) |
CA (2) | CA2723324A1 (ko) |
HK (1) | HK1105096A1 (ko) |
TW (1) | TWI324192B (ko) |
WO (1) | WO2006085635A1 (ko) |
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2006
- 2006-02-07 CA CA 2723324 patent/CA2723324A1/en not_active Abandoned
- 2006-02-07 EP EP20060713560 patent/EP1852407B9/en active Active
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- 2006-02-07 US US10/592,085 patent/US8216667B2/en active Active
- 2006-02-07 JP JP2006523476A patent/JP5275567B2/ja active Active
- 2006-02-07 WO PCT/JP2006/302418 patent/WO2006085635A1/ja active Application Filing
- 2006-02-07 KR KR1020067019705A patent/KR100835157B1/ko active IP Right Grant
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KR20170097463A (ko) * | 2016-02-18 | 2017-08-28 | 재단법인 포항산업과학연구원 | 염화탄탈륨 제조 방법 |
WO2017204536A1 (ko) * | 2016-05-25 | 2017-11-30 | 주식회사 티씨케이 | 탄화탄탈 다중코팅 재료 및 그 제조방법 |
WO2017204535A1 (ko) * | 2016-05-25 | 2017-11-30 | 주식회사 티씨케이 | 고경도 tac 코팅 탄소 재료 및 그 제조방법 |
WO2017204534A1 (ko) * | 2016-05-25 | 2017-11-30 | 주식회사 티씨케이 | 탄화탄탈 코팅 탄소 재료 |
US11279620B2 (en) | 2016-05-25 | 2022-03-22 | Tokai Carbon Korea Co., Ltd | Carbon material coated with tantalum carbide |
WO2018199676A1 (ko) * | 2017-04-28 | 2018-11-01 | 주식회사 티씨케이 | Tac를 포함하는 코팅층을 갖는 탄소 재료 및 그 제조방법 |
WO2018199680A1 (ko) * | 2017-04-28 | 2018-11-01 | 주식회사 티씨케이 | Tac를 포함하는 코팅층을 갖는 탄소 재료 및 그 제조방법 |
US10883170B2 (en) | 2017-04-28 | 2021-01-05 | Tokai Carbon Korea Co., Ltd | Carbon material having coating layer comprising tac, and method for producing said carbon material |
US11091833B2 (en) | 2017-04-28 | 2021-08-17 | Tokai Carbon Korea Co., Ltd | Carbon material having coating layer comprising TaC, and method for producing said carbon material |
KR20200074771A (ko) * | 2018-12-17 | 2020-06-25 | 주식회사 티씨케이 | 탄화탄탈 코팅 재료 |
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JPWO2006085635A1 (ja) | 2008-06-26 |
TWI324192B (en) | 2010-05-01 |
CA2559042C (en) | 2011-03-08 |
CA2723324A1 (en) | 2006-08-17 |
EP1852407B9 (en) | 2014-11-05 |
EP1852407A4 (en) | 2009-05-13 |
HK1105096A1 (en) | 2008-02-01 |
EP1852407B1 (en) | 2014-01-01 |
TW200636100A (en) | 2006-10-16 |
US20120040172A1 (en) | 2012-02-16 |
JP5275567B2 (ja) | 2013-08-28 |
EP1852407A1 (en) | 2007-11-07 |
WO2006085635A1 (ja) | 2006-08-17 |
US8216667B2 (en) | 2012-07-10 |
KR100835157B1 (ko) | 2008-06-09 |
CA2559042A1 (en) | 2006-08-17 |
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