KR20160099567A - 크롬을 함유하는 코팅재 - Google Patents
크롬을 함유하는 코팅재 Download PDFInfo
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Abstract
Description
도 2는 실시예 1에 따른 체 분획이 45-100 ㎛인 본 발명에 따른 코팅재의 주사전자현미경 사진을 보여주고 있다.
도 3은 종래기술에 따른 체 분획이 < 45 ㎛인 전해 환원된 Cr 분말을 보여주고 있다.
도 4는 실시예 2에 따른 본 발명의 코팅제를 사용하여 강관에 증착한 본 발명에 따른 CGS Cr 코팅을 보여주고 있다.
도 5는 실시예 2에 따른 본 발명의 코팅재를 사용하여 AlMg3 관에 증착한 본 발명에 따른 CGS Cr 코팅의 주사전자현미경 사진을 보여주고 있다.
도 6은 실시예 4에 따른 (B형 장치를 사용하여 분무한) 본 발명의 코팅재를 사용하는 본 발명에 따른 CGS Cr 코팅의 주사전자현미경 사진을 보여주고 있다.
도 7은 실시예 6에 따라 종래기술의 분말을 사용하여 CGS Cr 코팅을 증착하기 위해 시도한 강철 기판의 주사전자현미경 사진을 보여주고 있다.
도 8은 실시예 6에 따라 본 발명의 코팅재를 사용하여 강철 기판에 증착한 본 발명에 따른 CGS Cr 코팅의 주사전자현미경 사진을 보여주고 있다.
도 9는 실시예 7에 따라 AlMg3 기판에 증착한 본 발명에 따른 코팅재를 사용하여 제조한 본 발명에 따른 CGS Cr-10 질량% Cr23C6 코팅의 주사전자현미경 사진을 보여주고 있다.
도 10은 실시예 7에 따라 AlMg3 기판에 증착한 본 발명에 따른 코팅재를 사용하여 제조한 본 발명에 따른 CGS Cr-50 질량% Cr23C6 코팅의 주사전자현미경 사진을 보여주고 있다.
도 11은 실시예 8에 따라 AlMg3 기판에 증착한 본 발명에 따른 코팅재를 사용하여 제조한 본 발명에 따른 CGS Cr-30 질량% Cu 코팅의 주사전자현미경 사진을 보여주고 있다.
도 12는 실시예 9에 따라 본 발명의 코팅 물질을 사용하여 제조한 APS Cr 분무 코팅의 주사전자현미경 사진을 보여주고 있다.
도 13은 실시예 14에 따라 AlMg3 기판에 증착한 본 발명에 따른 코팅재를 사용하여 제조한 본 발명에 따른 CGS Cr-Y2O3 코팅의 주사전자현미경 사진을 보여주고 있다.
본 발명에 따른 Cr분말 체 분획 < 45㎛ |
본 발명에 따른 Cr 분말 체 분획 45-100㎛ |
종래기술의 Cr 분말 체 분획 < 45㎛ |
|
d50 입도(㎛) | 26.9 | 74.5 | 35.4 |
나노경도 HIT 0.005/5/1/5(GPa) | 2.924 +/- 0.105 | 2.758 +/- 0.074 | 5.321 +/- 0.328 |
C 함량[㎍/g] | 114 | 123 | 87 |
O 함량[㎍/g] | 1064 | 971 | 736 |
Claims (28)
- Cr 함유 입자를 형성하는 Cr 함량이 > 95 질량%인 Cr이 풍부한 영역을 포함하되, 상기 Cr 함유 입자의 적어도 일부가 집합체 또는 응집체의 형태로 존재하는 것을 특징으로 하는 코팅재.
- Cr 함유 입자를 형성하는 Cr 함량이 > 95 질량%인 Cr이 풍부한 영역을 포함하되, Cr 함유 입자의 적어도 일부가 공극을 갖고 있는 것을 특징으로 하는 코팅재.
- Cr 함유 입자를 형성하는 Cr 함량이 > 95 질량%인 Cr이 풍부한 영역을 포함하되, 상기 Cr이 풍부한 영역이 평균 나노경도 HIT 0.005/5/1/5 ≤ 4 GPa를 갖는 것을 특징으로 하는 코팅재.
- Cr 함유 입자를 형성하는 Cr 함량이 > 95 질량%인 Cr이 풍부한 영역을 포함하되, 상기 Cr 함유 입자가 BET에 의해 측정한 평균 표면적 > 0.05 m2/g을 갖는 것을 특징으로 하는 코팅재.
- 제1항, 제2항 또는 제4항에 있어서, 상기 Cr이 풍부한 영역이 평균 나노경도 HIT 0.005/5/1/5 ≤ 4 GPa를 갖는 것을 특징으로 하는 코팅재.
- 제1항, 제3항 또는 제4항에 있어서, 상기 Cr 함유 입자의 적어도 일부가 공극을 갖고 있는 것을 특징으로 하는 코팅재.
- 제2항, 제3항 또는 제4항에 있어서, 상기 Cr 함유 입자의 적어도 일부가 집합체 또는 응집체의 형태로 존재하는 것을 특징으로 하는 코팅재.
- 제1항, 제2항 또는 제3항에 있어서, 상기 Cr 함유 입자가 BET에 의해 측정한 평균 표면적 > 0.05 m2/g을 갖는 것을 특징으로 하는 코팅재.
- 제1항 내지 제8항 중 어느 한 항에 있어서, 상기 코팅재가 분말 또는 과립 형태로 존재하는 것을 특징으로 하는 코팅재.
- 제1항 내지 제9항 중 어느 한 항에 있어서, 상기 Cr 함유 입자의 적어도 일부가 정량적 화상 분석에 의해 측정한 평균 공극률 > 10 부피%를 갖는 것을 특징으로 하는 코팅재.
- 제1항 내지 제10항 중 어느 한 항에 있어서, 상기 Cr 함유 입자의 표면의 적어도 일부 영역에 Cr보다 더 낮은 항복강도를 가진 재료가 도포되어 있는 것을 특징으로 하는 코팅재.
- 제1항 내지 제11항 중 어느 한 항에 있어서, 상기 Cr 함유 입자는 레이저 회절법에 의해 측정한 평균 입도/과립 크기 d50이 5 ㎛ < d50 < 150 ㎛인 것을 특징으로 하는 코팅재.
- 제1항 내지 제12항 중 어느 한 항에 있어서, 상기 코팅재가 경질 재료와 활제로 이루어진 군으로부터 선택되는 적어도 하나의 성분을 포함하는 것을 특징으로 하는 코팅재.
- 제1항 내지 제13항 중 어느 한 항에 있어서, 상기 코팅재가 적어도 하나의 추가 금속을 포함하거나 분말 혼합물의 구성성분인 것을 특징으로 하는 코팅재.
- 제14항에 있어서, 상기 분말 혼합물이 MCrAlY 합금의 조성을 갖는 것을 특징으로 하는 코팅재.
- 제1항 내지 제14항 중 어느 한 항에 있어서, 상기 Cr 함량이 > 50 질량%인 것을 특징으로 하는 코팅재.
- 제1항 내지 제16항 중 어느 한 항에 따른 코팅재를 사용하여 코팅을 제조하기 위한 방법.
- 제17항에 있어서, 상기 코팅재의 제조가 Cr 산화물과 Cr 수산화물로 이루어진 군으로부터 선택되는 적어도 하나의 화합물을 경우에 따라 첨가된 고체 탄소원과 함께 수소와 탄화수소의 적어도 일시적인 작용에 의해 환원시키는 것을 포함하는 것을 특징으로 하는 방법.
- 제17항 또는 제18항에 있어서, 상기 코팅을 용사 공정에 의해 제조하는 것을 특징으로 하는 방법.
- 제17항 내지 제19항 중 어느 한 항에 있어서, 상기 코팅을 저온 가스 분무에 의해 제조하는 것을 특징으로 하는 방법.
- 제20항에 있어서, 상기 방법이 적어도 하기 단계를 포함하는 것을 특징으로 하는 방법:
- 10 내지 100 bar의 압력과 상온 내지 1400℃의 온도를 가진 공정 가스를 제공하는 단계;
- 상기 공정 가스를 수렴-발산 노즐에서 가속하는 단계;
- 상기 수렴-발산 노즐의 전방, 내부 또는 후방에서 코팅재를 공정 가스 안으로 주입하는 단계; 및
- 상기 코팅재의 충격시 접착성 층을 기판 위에 형성하는 단계. - 제21항에 있어서, 상기 공정 가스가 질소 또는 질소가 풍부한 가스인 것을 특징으로 하는 방법.
- 제17항 내지 제19항 중 어느 한 항에 있어서, 상기 코팅을 고속 화염 분무 공정에 의해 제조하는 것을 특징으로 하는 방법.
- 제20항 내지 제23항 중 어느 한 항에 따른 방법에 의해 수득할 수 있는, Cr 함량 > 50 질량%, 평균 두께 > 20 ㎛ 및 적어도 부분적으로 변형된 Cr 함유 입자를 함유하는 미세 구조를 가진 코팅.
- 제24항에 있어서, 상기 변형된 Cr 함유 입자가 냉간 변형되는 것을 특징으로 하는 코팅.
- 제24항 또는 제25항에 있어서, 상기 입자의 적어도 일부가 층 표면에 평행한 방향으로 연장되어 있는 것을 특징으로 하는 코팅.
- 제26항에 있어서, 상기 입자가 평균 종횡비 > 1.3을 갖는 것을 특징으로 하는 코팅.
- 제24항 내지 제27항 중 어느 한 항에 있어서, 상기 변형 Cr 함유 입자가 평균 나노경도 HIT 0.005/5/1/5 > 4 GPa를 갖는 것을 특징으로 하는 코팅.
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ATGM458/2013 | 2013-12-20 | ||
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PCT/AT2014/000226 WO2015089534A2 (de) | 2013-12-20 | 2014-12-17 | Beschichtungsstoff |
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EP (1) | EP3083108B1 (ko) |
JP (1) | JP6694817B2 (ko) |
KR (1) | KR20160099567A (ko) |
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US11781223B2 (en) | 2021-06-16 | 2023-10-10 | The Boeing Company | Repair coating and method for repairing a damaged portion of a steel member |
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US20130220523A1 (en) * | 2012-02-29 | 2013-08-29 | c/o Chevron Corporation | Coating compositions, applications thereof, and methods of forming |
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US10837088B2 (en) | 2020-11-17 |
JP6694817B2 (ja) | 2020-05-20 |
EP3083108A2 (de) | 2016-10-26 |
RU2674050C1 (ru) | 2018-12-04 |
WO2015089534A2 (de) | 2015-06-25 |
EP3083108B1 (de) | 2022-06-22 |
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JP2017508870A (ja) | 2017-03-30 |
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