JP2012183585A - 固定金属フランジおよびその金属フランジを作製する方法 - Google Patents
固定金属フランジおよびその金属フランジを作製する方法 Download PDFInfo
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Abstract
【解決手段】本発明はフランジ付き金属物品を作製する方法を提供する。その方法は、(a)第1のろう付け化合物を金属物品の第1の部分に付着するステップと、(b)金属物品の第1の部分をある長さの拘束用金属部材で巻くステップと、(c)金属物品、拘束用金属部材および第1のろう付け化合物の組立体を第1のろう付け化合物の固相線温度を超える温度、典型的には約300℃から約2500℃の範囲の温度まで加熱して、フランジ付き金属物品を製造するステップとを含み、その方法では金属物品が熱膨張係数CTE1を有し、拘束用金属部材が熱膨張係数CTE2を有し、CTE1がCTE2よりも大きい。本発明はさらに、高膨張金属と低膨張脆弱材料の間の熱膨張の不一致を最小化する金属フランジを提供する。
【選択図】図1
Description
実施例
材料:直径5インチおよび壁厚0.25インチの脆弱な低膨張アルミナチューブがセラミック構成要素として使用された。セラミック構成要素に直接接合される高膨張金属物品は、大体同じ直径(5インチ)の厚さ0.035インチのINCONEL(登録商標)625チューブであった。直径0.015インチを有する長さ30フィートのモリブデン線(Rembar Co.)が拘束用金属部材として使用され、厚さ0.002インチ、幅0.5インチおよび長さ16インチを有する99.99%の金箔(Williams Advanced Materials)が第1のろう付け化合物として使用された。PALCUSIL10(Morgan Technical Ceramics−Wesgo Metals Division)が第2のろう付け化合物として使用された。
厚さ約0.035インチを有するINCONEL(登録商標)625シートが円筒形状に巻かれ、継ぎ目が溶接されて直径約4.85インチを有するチューブを製造した。金属プラグがチューブ端部に挿入されて、チューブの丸みを維持し、回転軸の周りの担体をもたらした。金箔の第1のろう付け化合物はチューブ端部の外側面に仮付け溶接された。直径0.015インチを有する長さ30フィートのモリブデン線が、金箔の第1のろう付け化合物の頂部に手で巻かれた。モリブデン線の複数回のターンがチューブの周りに作製され、各ターン(巻回)は隣接するターンに近接または接触し、第1のろう付け化合物に接触した。次いで、モリブデン線の端部は、一体に捩じられてターンを定位置に保持し、結果として生じた組立体が真空炉内に配置され、1107℃の温度で1分間加熱されて、フランジ付き金属物品を形成した。そのような加熱手順は金基ろう付け化合物を使用するときに典型的なものである。フランジ付き金属物品はフランジ領域内とその周辺で均一なろう付け化合物流を示した。
比較例1:拘束用金属部材のないろう付け
対照実験として、実施例1および2で採用されたようなインコネル625チューブが拘束用金属部材の存在しないセラミックチューブにろう付けされたが、その結果セラミックチューブはろう付け熱処理中に損傷した。この結果はろう付けステップ中にセラミック内に誘発された応力がセラミックの強度を超えるであろうと予測した分析と一致する。比較例1の結果は実施例2で得られた結果と全く対照的であり、実施例2では、室温での物品のセラミック部分内の残留応力は十分に低かったので、セラミックが損傷する前にかなりの追加の引張負荷を重ねることが可能であった。
10 加熱後の金属フランジ
12 セラミック物品
14 金属物品
16 端部/金属物品の第1の部分
18 第1のろう付け化合物
20 拘束用金属部材
22 インコネルパイプの内側面
24 インコネルパイプの上面
26 パイプ上面24と巻かれた部分の頂部の間の間隙
28 加熱後の円筒のフレア状部分
30 第2のろう付け化合物
32 セラミック構成要素12に接合されたフランジ付き金属構成要素10(拘束用金属部材20の単一の層を含む)を含む物品の部分
34 セラミック構成要素12に接合されたフランジ付き金属構成要素10(拘束用金属部材20の複数の層を含む)を含む物品の部分
36 フランジ付き金属物品/セラミック物品12に接合されたフランジ付き金属物品10を含む物品
Claims (10)
- フランジ付き金属物品(10)を作製する方法であって、
(a)第1のろう付け化合物(18)を金属物品(14)の第1の部分(16)に付着するステップと、
(b)前記金属物品の前記第1の部分(16)をある長さの拘束用金属部材(20)で巻くステップと、
(c)前記金属物品(14)、前記拘束用金属部材(20)および前記第1のろう付け化合物(18)の組立体を前記ろう付け化合物の固相線温度を超える温度まで加熱して、フランジ付き金属物品(10)を製造するステップと
を含み、
前記金属物品(14)が熱膨張係数CTE1を有し、前記拘束用金属部材(20)が熱膨張係数CTE2を有し、CTE1がCTE2よりも大きい方法。 - CTE1がCTE2よりも少なくとも10%大きい、請求項1記載の方法。
- 前記金属物品が1つまたは複数の超合金を含む、請求項1記載の方法。
- 前記超合金が、ニッケル基超合金、鉄基超合金、コバルト基超合金、およびそれらの2つ以上の組合せからなる群から選択される、請求項3記載の方法。
- 前記金属物品(10)が円筒である、請求項1記載の方法。
- 前記第1のろう付け化合物(18)が、金基ろう付け化合物、銅基ろう付け化合物、銀基ろう付け化合物、プラチナ基ろう付け化合物、パラジウム基ろう付け化合物、チタニウム基ろう付け化合物、バナジウム基ろう付け化合物、ニッケル基ろう付け化合物、およびそれらの組合せからなる群から選択される、請求項1記載の方法。
- 前記拘束用金属部材(20)が、ハフニウム部材、ジルコニウム部材、クロム部材、ニッケル部材、鉄部材、モリブデン部材、ニオブ部材、およびそれらの2つ以上の組合せからなる群から選択される、請求項1記載の方法。
- (a)セラミック構成要素(20)に接合されたフランジ付き金属構成要素(10)であり、モリブデン線(20)で巻かれており、ニッケル、鉄、コバルト、およびクロムの1つまたは複数を含む、フランジ付き金属構成要素(10)と、
(b)前記フランジ付き金属構成要素(10)および前記モリブデン線(20)の面に接触する第1のろう付け化合物(18)と
を含むフランジ付き物品(36)であって、
前記フランジ付き金属構成要素(10)が熱膨張係数CTE1を有し、前記モリブデン線が熱膨張係数CTE2を有し、CTE1がCTE2よりも少なくとも100%大きい、フランジ付き物品(36)。 - 前記フランジ付き金属構成要素(10)が前記モリブデン線(20)の複数の層を含む、請求項8記載のフランジ付き金属物品(36)。
- セラミック構成要素(12)に接合されたフランジ付き金属構成要素(10)を含む物品(36)を作製する方法であって、
(a)第1のろう付け化合物(18)を金属物品の第1の部分(16)に付着するステップと、
(b)前記金属物品の前記第1の部分をある長さの拘束用金属部材(20)で巻くステップと、
(c)前記金属物品(10)、前記拘束用金属部材(20)および前記第1のろう付け化合物(18)の組立体を前記第1のろう付け化合物(18)の固相線温度を超える温度まで加熱して、フランジ付き金属物品(36)を製造するステップであり、前記金属物品(14)が熱膨張係数CTE1を有し、前記拘束用金属部材(20)が熱膨張係数CTE2を有し、CTE1がCTE2よりも大きいステップと、
(d)前記フランジ付き金属物品(36)のフランジ付き部分(10)を第2のろう付け化合物(30)およびセラミック物品(12)に接触させるステップであり、前記第2のろう付け化合物が前記金属物品の前記フランジ付き部分と前記セラミック物品の間に配置されるようになっているステップと、
(e)前記フランジ付き金属物品、前記第2のろう付け化合物および前記セラミック物品の組立体を前記第2のろう付け化合物の固相線温度を超える温度まで加熱して、前記セラミック構成要素に接合された前記フランジ付き金属構成要素を含む物品を製造するステップと
を含む方法。
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| US13/032,315 | 2011-02-22 | ||
| US13/032,315 US20120214016A1 (en) | 2011-02-22 | 2011-02-22 | Constrained metal flanges and methods for making the same |
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| US (1) | US20120214016A1 (ja) |
| EP (1) | EP2492029B1 (ja) |
| JP (1) | JP2012183585A (ja) |
| KR (1) | KR20120097464A (ja) |
| CN (1) | CN102672357B (ja) |
| AU (1) | AU2012200974B2 (ja) |
| CA (1) | CA2768120A1 (ja) |
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| WO2016051902A1 (ja) * | 2014-09-30 | 2016-04-07 | 株式会社リアリティ・デンタル・ラボラトリー | インプラント上部構造 |
| JP2017514137A (ja) * | 2014-04-24 | 2017-06-01 | トライアンフTriumf | モリブデンに粒子ビームを照射するためのターゲット系 |
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|---|---|---|---|---|
| US8960525B2 (en) * | 2013-01-31 | 2015-02-24 | General Electric Company | Brazing process and plate assembly |
| US10782016B2 (en) * | 2015-03-12 | 2020-09-22 | General Electric Technology Gmbh | System and method for reducing emissions in a chemical looping combustion system |
| CN107175421B (zh) * | 2017-07-06 | 2019-06-11 | 武汉理工大学 | 一种预压应力双金属离心浇铸复合管端部法兰的焊接工艺 |
| CN111001890A (zh) * | 2019-12-16 | 2020-04-14 | 中国电子科技集团公司第四十三研究所 | 一种减小异质材料焊接变形的方法 |
| EP3845971B1 (fr) * | 2019-12-31 | 2024-04-17 | Nivarox-FAR S.A. | Procede de fabrication de ressort spiral pour mouvement d'horlogerie |
| KR102506712B1 (ko) * | 2021-02-03 | 2023-03-07 | 주식회사 오성테크 | 금형공구강 접합방법과 이와 같은 방법에 의해 제조된 금형 |
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| Publication number | Publication date |
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| CA2768120A1 (en) | 2012-08-22 |
| CN102672357A (zh) | 2012-09-19 |
| KR20120097464A (ko) | 2012-09-04 |
| US20120214016A1 (en) | 2012-08-23 |
| EP2492029A1 (en) | 2012-08-29 |
| RU2012106763A (ru) | 2013-08-27 |
| AU2012200974B2 (en) | 2016-09-15 |
| EP2492029B1 (en) | 2013-12-18 |
| RU2591867C2 (ru) | 2016-07-20 |
| IN2012DE00427A (ja) | 2015-06-05 |
| CN102672357B (zh) | 2016-04-20 |
| AU2012200974A1 (en) | 2012-09-06 |
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