JP2012121055A - 大気接合用ろう材、接合体、および、集電材料 - Google Patents
大気接合用ろう材、接合体、および、集電材料 Download PDFInfo
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Abstract
【解決手段】大気接合用ろう材は、Ag、B、および、Siを必須成分として含有し、Ag以外の構成元素の体積比の合計が50%超90%以下に設定され、Ag以外の構成元素の含有量のなかにSiが占める割合が体積比で22%超に設定され、Ag以外の構成元の含有量のなかにBが占める割合が体積比で14%超に設定されている。たとえば図4から判るように、本発明試料の高温保持後の接合試験片の接合層13では、比較試料の高温保持後の接合試験片で観察された空孔16(図6)が観察されず、ろう材が十分に溶融しており、長時間の高温保持後でも良好な気密性が維持されていることを確認した。
【選択図】図4
Description
本発明の試料作製で用いることができる大気接合用ろう材の形態としては、たとえば金属混合粉末を有機溶剤や有機バインダー等によりペーストとした形態や、合金粉末ペーストや、箔、ゾルゲル等の各種形態が挙げられ、特に限定されるものではない。
まず、接合後の接合試験片10について、金属部材11の開口面11Aを閉塞し、金属部材11内部を真空排気して、ヘリウムリーク試験を行った。次いで、大気中において、加熱温度を800℃に設定し、接合試験片10を100時間保持した後に、そのような高温保持後の接合試験片10について、上記と同様にヘリウムリーク試験を行った。その結果を表1に示す。試験結果について、表1では、ヘリウムが検出されなかったものを“○”、ヘリウムが検出されたものを“×”と表記している。接合後の接合試験片10の試験でヘリウムが検出されたものは、高温保持後の接合試験片10について試験を行わなかった。また、試料4および比較試料2については、接合試験片10を中央部で切断し、接合層13を含む接合部を観察した。
Claims (9)
- Ag、B、および、Siを必須成分として含有し、
Ag以外の構成元素の体積比の合計が50%超90%以下に設定され、
Ag以外の前記構成元素の含有量のなかにSiが占める割合が体積比で22%超に設定され、
Ag以外の前記構成元素の含有量のなかにBが占める割合が体積比で14%超に設定されていることを特徴とする大気接合用ろう材。 - Ge、Cr、Al、Ti、Zr、および、Hfのうちの少なくとも一種が添加成分として添加され、
Ag以外の構成元素の含有量のなかに前記添加成分が占める割合が体積比で64%未満に設定されていることを特徴とする請求項1に記載の大気接合用ろう材。 - 部材同士の接合に適用された場合、その接合で構成元素のうちの少なくとも1種を含む酸化物が形成されることを特徴とする請求項1または2に記載の大気接合用ろう材。
- 部材同士の接合に適用された場合、その接合で構成元素のうちの少なくとも2種を含む複合酸化物が形成されることを特徴とする請求項1〜3のいずれかに記載の大気接合用ろう材。
- 大気中において650℃以上850℃以下の融点を有することを特徴とする請求項1〜4のいずれかに記載の大気接合用ろう材。
- 請求項1〜5のいずれかに記載の大気接合用ろう材を用いて接合された金属部材同士、セラミックス部材同士、あるいは、金属部材とセラミックス部材からなるとともに、ガスシール性を有することを特徴とする接合体。
- 燃料電池用あるいは固体酸化物型燃料電池用として使用されることを特徴とする請求項6に記載の接合体。
- 請求項1〜5のいずれかに記載の大気接合用ろう材を用いて接合された金属部材同士、セラミックス部材同士、あるいは、金属部材とセラミックス部材からなるとともに、電気伝導性を有することを特徴とする集電材料。
- 燃料電池用あるいは固体酸化物型燃料電池用として使用されることを特徴とする請求項8に記載の集電材料。
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010274643A JP5645307B2 (ja) | 2010-12-09 | 2010-12-09 | 大気接合用ろう材、接合体、および、集電材料 |
| EP11846727.3A EP2650077A4 (en) | 2010-12-09 | 2011-12-01 | BRASURE MATERIAL FOR ATMOSPHERE BONDING, BRAZED OBJECT, AND CURRENT COLLECTOR MATERIAL |
| PCT/JP2011/078360 WO2012077733A1 (ja) | 2010-12-09 | 2011-12-01 | 大気接合用ろう材、接合体、および、集電材料 |
| KR1020137017785A KR20130136505A (ko) | 2010-12-09 | 2011-12-01 | 대기 접합용 납재, 접합체 및 집전 재료 |
| CN201180058996.6A CN103249520B (zh) | 2010-12-09 | 2011-12-01 | 大气接合用钎料、接合体以及集电材料 |
| US13/991,504 US20130260285A1 (en) | 2010-12-09 | 2011-12-01 | Brazing material for bonding in atmosphere, bonded article, and current collecting material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010274643A JP5645307B2 (ja) | 2010-12-09 | 2010-12-09 | 大気接合用ろう材、接合体、および、集電材料 |
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| Publication Number | Publication Date |
|---|---|
| JP2012121055A true JP2012121055A (ja) | 2012-06-28 |
| JP5645307B2 JP5645307B2 (ja) | 2014-12-24 |
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| JP2010274643A Active JP5645307B2 (ja) | 2010-12-09 | 2010-12-09 | 大気接合用ろう材、接合体、および、集電材料 |
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| US (1) | US20130260285A1 (ja) |
| EP (1) | EP2650077A4 (ja) |
| JP (1) | JP5645307B2 (ja) |
| KR (1) | KR20130136505A (ja) |
| CN (1) | CN103249520B (ja) |
| WO (1) | WO2012077733A1 (ja) |
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| US10335881B2 (en) | 2012-03-28 | 2019-07-02 | Alfa Laval Corporate Ab | Coating concept |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20130136505A (ko) | 2013-12-12 |
| EP2650077A1 (en) | 2013-10-16 |
| WO2012077733A1 (ja) | 2012-06-14 |
| JP5645307B2 (ja) | 2014-12-24 |
| EP2650077A4 (en) | 2015-10-21 |
| CN103249520A (zh) | 2013-08-14 |
| CN103249520B (zh) | 2016-01-20 |
| US20130260285A1 (en) | 2013-10-03 |
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