JP2020513326A - 非線形孔を有する鋳造構成要素を製造するための一体型鋳造コアシェル構造 - Google Patents
非線形孔を有する鋳造構成要素を製造するための一体型鋳造コアシェル構造 Download PDFInfo
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Abstract
Description
Claims (20)
- セラミック型を製造する方法であって、
(a)加工物の硬化部分を液体セラミックフォトポリマーと接触させるステップと、
(b)前記硬化部分に隣接する前記液体セラミックフォトポリマーの一部に、前記液体セラミックフォトポリマーに接触する窓を通して光照射するステップと、
(c)前記未硬化の液体セラミックフォトポリマーから前記加工物を取り出すステップと、
(d)セラミック型が形成されるまでステップ(a)〜(c)を繰り返すステップと、を含み、
前記セラミック型が、
(1)コア部分およびシェル部分であって、前記コア部分と前記シェル部分との間に少なくとも1つのキャビティを有し、前記キャビティが、前記セラミック型の鋳造および除去の際に鋳造構成要素の形状を画定するように適合される、コア部分およびシェル部分と、
(2)前記コア部分および前記シェル部分を接合する複数のフィラメントであって、各フィラメントが前記コアとシェルとの間に架かり、前記型の除去の際に前記鋳造構成要素内に孔を画定し、少なくとも1つのフィラメントが、非線形形状および0.01〜2mm2の範囲の断面積を有する部分を少なくとも有する、複数のフィラメントと、
を備える、方法。 - 前記方法が、ステップ(d)の後に、(e)前記鋳造構成要素を形成するために鋳型に液体金属を注入し、前記液体金属を凝固させるステップを含む、請求項1に記載の方法。
- 前記方法が、ステップ(e)の後に、(f)前記鋳造構成要素から前記型を除去するステップを含む、請求項2に記載の方法。
- 前記鋳造構成要素から前記型を除去するステップが、機械力と化学的浸出との組み合わせを含む、請求項3に記載の方法。
- 前記非線形形状が、前記型の除去の際に「S」字形の孔を形成する、請求項1に記載の方法。
- 前記孔が20°未満の角度で前記表面を出る、請求項1に記載の方法。
- 前記孔が5°〜15°の範囲の角度で前記表面を出る、請求項1に記載の方法。
- 鋳造構成要素の製造方法であって、
(a)前記鋳造構成要素を形成するために液体金属をセラミック鋳型に注入し、前記液体金属を凝固させるステップであって、前記セラミック鋳型が、
(1)コア部分およびシェル部分であって、前記コア部分と前記シェル部分との間に少なくとも1つのキャビティを有し、前記キャビティが、前記セラミック鋳型の鋳造および除去の際に鋳造構成要素の形状を画定するように適合される、コア部分およびシェル部分と、
(2)前記コア部分および前記シェル部分を接合する複数のフィラメントであって、各フィラメントが前記コアとシェルとの間に架かり、前記鋳造構成要素内に孔を画定し、少なくとも1つのフィラメントが、非線形形状および0.01〜2mm2の範囲の断面積を有する部分を少なくとも有する、複数のフィラメントと、
を含むステップと、
(b)前記鋳造構成要素の前記孔を通して前記セラミックコアの少なくとも一部を浸出させることにより前記鋳造構成要素から前記セラミック鋳型を除去するステップと、
を含む、方法。 - 前記鋳造構成要素から前記セラミック鋳型を除去するステップが、機械力と化学的浸出との組み合わせを含む、請求項8に記載の方法。
- 前記非線形形状が、前記型の除去の際に「S」字形の孔を形成する、請求項8に記載の方法。
- 前記孔が20°未満の範囲の角度で前記表面を出る、請求項8に記載の方法。
- コア部分およびシェル部分であって、前記コア部分と前記シェル部分との間に少なくとも1つのキャビティを有し、前記キャビティが、セラミック鋳型の鋳造および除去の際に鋳造構成要素の形状を画定するように適合されるコア部分およびシェル部分と、
前記コア部分および前記シェル部分を接合する複数のフィラメントであって、各フィラメントが前記コアとシェルとの間に架かり、前記鋳造構成要素内に孔を画定し、少なくとも1つのフィラメントが、非線形形状および0.01〜2mm2の範囲の断面積を有する部分を少なくとも有する、複数のフィラメントと
を備える、セラミック鋳型。 - 前記非線形形状が、前記型の除去の際に「S」字形の孔を形成する、請求項12に記載の方法。
- 前記孔が20°未満の角度で前記表面を出る、請求項12に記載の方法。
- 前記孔が5°〜15°の範囲の角度で前記表面を出る、請求項12に記載の方法。
- 内部キャビティおよび外側表面と、前記内部キャビティと外側表面との間の流体連通を提供する複数の冷却孔と、を有し、前記複数の冷却孔が、非線形形状および0.01〜2mm2の範囲の断面積を有する部分を少なくとも有する、単結晶金属タービン翼または固定子。
- 前記非線形形状が、前記型の除去の際に「S」字形の孔を形成する、請求項16に記載の単結晶金属タービン翼または固定子。
- 前記孔が20°未満の角度で前記表面を出る、請求項16に記載の単結晶金属タービン翼または固定子。
- 前記孔が5°〜15°の範囲の角度で前記表面を出る、請求項16に記載の単結晶金属タービン翼または固定子。
- 前記単結晶金属が超合金である、請求項16に記載の単結晶金属タービン翼または固定子。
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PCT/US2017/057944 WO2018111407A1 (en) | 2016-12-13 | 2017-10-24 | Integrated casting core-shell structure for making cast component with non-linear holes |
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CN110072651A (zh) | 2019-07-30 |
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