JP2016108660A - コーティング構造、熱交換器、および熱交換器の製造方法 - Google Patents
コーティング構造、熱交換器、および熱交換器の製造方法 Download PDFInfo
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- JP2016108660A JP2016108660A JP2015215172A JP2015215172A JP2016108660A JP 2016108660 A JP2016108660 A JP 2016108660A JP 2015215172 A JP2015215172 A JP 2015215172A JP 2015215172 A JP2015215172 A JP 2015215172A JP 2016108660 A JP2016108660 A JP 2016108660A
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- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 3
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Abstract
Description
以下、本発明の第1実施形態について図1および図2に基づいて説明する。本実施形態では、本発明のコーティング構造を、内燃機関の排気が流通する排気管に適用した例を説明する。
次に、本発明の第2実施形態について図5に基づいて説明する。本第2実施形態は、上記第1実施形態と比較して、下地2の構成が異なるものである。
本実施形態では、第1、第2実施形態と異なる部分について説明する。本実施形態では、耐食性が必要な製品として冷却系や空調装置の熱交換器に上述のコーティング構造を適用した例について説明する。
本発明は上述の実施形態に限定されることなく、本発明の趣旨を逸脱しない範囲内で、例えば以下のように種々変形可能である。
2 下地
3 絶縁膜
Claims (14)
- 金属製の基材(1)と、
前記基材(1)上に形成される下地(2)と、
前記下地(2)上に形成されるとともに、互いに異なる材質からなる複数の膜(31、32)を交互に積層することで構成された絶縁膜(3)とを備え、
前記下地(2)は、前記基材(1)上で起こる表面化学反応を用いたコーティング方法以外の方法により形成されており、
前記下地(2)のうち、前記基材(1)と接触する部位は、アモルファスであることを特徴とするコーティング構造。 - 前記絶縁膜(3)を構成する前記複数の膜(31、32)のうち、少なくとも1つの膜(31)は、アモルファスであることを特徴とする請求項1に記載のコーティング構造。
- 前記下地(2)のうち、前記絶縁膜(3)と接触する部位は、アモルファスであることを特徴とする請求項1または2に記載のコーティング構造。
- 前記絶縁膜(3)のうち、前記下地(2)と接触する部位は、アモルファスであることを特徴とする請求項1ないし3のいずれか1つに記載のコーティング構造。
- 前記下地(2)の厚さ(D)は、100nm以上であることを特徴とする請求項1ないし4のいずれか1つに記載のコーティング構造。
- 前記絶縁膜(3)のうち、前記下地(2)と反対側の最外側部位は、アモルファスであり、かつ、絶縁性を有する材質から構成されていることを特徴とする請求項1ないし5のいずれか1つに記載のコーティング構造。
- 前記基材(1)は、ステンレスまたはアルミニウムで形成されており、
前記下地(2)は、炭化ケイ素または酸化アルミニウムで形成されていることを特徴とする請求項1ないし6のいずれか1つに記載のコーティング構造。 - 前記基材(1)は、ステンレスで形成されており、
前記基材(1)の表面には、クロム、マンガンおよび酸素の少なくとも1つを含有する表面層(20)が形成されており、
前記表面層(20)の厚さは、10nm以上であることを特徴とする請求項1ないし7のいずれか1つに記載のコーティング構造。 - 前記絶縁膜(3)は、原子層堆積法によって形成されていることを特徴とする請求項1ないし8のいずれか1つに記載のコーティング構造。
- 金属製の基材(1)と、
前記基材(1)上に形成される下地(2)と、
前記下地(2)上に形成されるとともに、互いに異なる材質からなる複数の膜(31、32)を交互に積層することで構成された絶縁膜(3)とを備え、
前記下地(2)のうち、前記基材(1)と接触する部位は、シリコン化合物によって構成されていることを特徴とする熱交換器。 - 前記シリコン化合物は、アモルファスであることを特徴とする請求項10に記載の熱交換器。
- 前記シリコン化合物は、SiC、SiN、SiCN、SiO、SiONのうちの少なくとも1つであるか、または、複数を含んだ混合物であることを特徴とする請求項10または11に記載の熱交換器。
- 前記基材(1)は、互いにろう付けされた複数の部材(110〜180)によって構成されていることを特徴とする請求項10ないし12のいずれか1つに記載の熱交換器。
- 金属製の基材(1)を用意する工程と、
前記基材(1)の上に下地(2)を形成する工程と、
原子層堆積法によって、前記下地(2)の上に、互いに異なる材質からなる複数の膜(31、32)を交互に積層することで絶縁膜(3)を形成する工程と、
を含み、
前記下地(2)を形成する工程では、前記下地(2)のうち前記基材(1)と接触する部位がシリコン化合物となるように前記下地(2)を形成し、前記基材(1)の表面に異物(4)が付着している場合は前記異物(4)の表面全体を被覆可能な厚さになるように前記下地(2)を形成することを特徴とする熱交換器の製造方法。
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US15/531,197 US20170327943A1 (en) | 2014-12-02 | 2015-11-24 | Coating structure, heat exchanger, and method for manufacturing heat exchanger |
KR1020177013453A KR20170070219A (ko) | 2014-12-02 | 2015-11-24 | 코팅 구조, 열교환기 및 열교환기의 제조 방법 |
PCT/JP2015/005826 WO2016088329A1 (ja) | 2014-12-02 | 2015-11-24 | コーティング構造、熱交換器、および熱交換器の製造方法 |
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