JP2007015913A5 - - Google Patents

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Publication number
JP2007015913A5
JP2007015913A5 JP2006158296A JP2006158296A JP2007015913A5 JP 2007015913 A5 JP2007015913 A5 JP 2007015913A5 JP 2006158296 A JP2006158296 A JP 2006158296A JP 2006158296 A JP2006158296 A JP 2006158296A JP 2007015913 A5 JP2007015913 A5 JP 2007015913A5
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JP
Japan
Prior art keywords
component
layer
bond coat
substrate
coat layer
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Application number
JP2006158296A
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English (en)
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JP5437555B2 (ja
JP2007015913A (ja
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Publication date
Priority claimed from US11/150,098 external-priority patent/US7442444B2/en
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Publication of JP2007015913A publication Critical patent/JP2007015913A/ja
Publication of JP2007015913A5 publication Critical patent/JP2007015913A5/ja
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Claims (10)

  1. 高温腐食性環境に曝されるガスタービンエンジン部品(10)であって、
    ケイ素含有基材(30)と、
    上記基材(30)上に設けられたボンドコート層(42)であって、三ケイ化チタン、三ケイ化クロム、二ケイ化ハフニウム、二ケイ化ガドリニウム、二ケイ化ランタン、ケイ化ネオジム、三ケイ化イッテルビウム、希土類の二ケイ化物及び三ケイ化物、又はこれらの親和性のある組合せからなる群から選択される金属ケイ化物からなるボンドコート層(42)と
    を含む部品(10)。
  2. 前記金属ケイ化物が2800°F(1537℃)以上の融点を有する、請求項1記載の部品(10)。
  3. 前記金属ケイ化物が3000°F(1648℃)以上の融点を有する、請求項2記載の部品(10)。
  4. 前記ボンドコート層(42)が基材(30)に隣接していて、0.5〜10ミル(13〜254μm)の厚さを有する、請求項1乃至請求項3のいずれか記載の部品(10)。
  5. 前記ボンドコート層(42)が基材(30)に隣接していて、1〜6ミル(25〜152μm)の厚さを有する、請求項4記載の部品(10)。
  6. 前記基材(30)が、ケイ素含有セラミック材料、ケイ素金属合金又はこれらの組合せを含む、請求項1乃至請求項5のいずれか記載の部品(10)。
  7. さらに、前記ボンドコート層(42)に隣接し、ボンドコート層(42)の上に設けられた環境障壁コーティング(50)を含む請求項1乃至請求項6のいずれか記載の部品(10)。
  8. 前記環境障壁層(50)が、アルカリ土類ケイ酸塩/アルミノケイ酸塩からなる外部蒸気耐性障壁層(74)を含む請求項7記載の部品(10)。
  9. 前記外部障壁層(74)がアルミノケイ酸バリウムストロンチウムからなる、請求項8記載の部品(10)。
  10. 前記環境障壁コーティング(50)が、(1)前記ボンドコート層(42)の上に設けられた内部シリカスケール層(58)、(2)前記内層(58)の上に設けられ、ムライト、又はムライトとアルミノケイ酸バリウムストロンチウム、ケイ酸イットリウムもしくはアルミノケイ酸カルシウムとの組合せを含む中間層(66)、及び(3)前記中間層(66)の上に設けられた外部障壁層(74)を含む、請求項8又は請求項9記載の部品(10)。
JP2006158296A 2005-06-13 2006-06-07 Ebcのためのシリコン含有基材の結合コートおよび同物を製造するプロセス Active JP5437555B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/150,098 2005-06-13
US11/150,098 US7442444B2 (en) 2005-06-13 2005-06-13 Bond coat for silicon-containing substrate for EBC and processes for preparing same

Publications (3)

Publication Number Publication Date
JP2007015913A JP2007015913A (ja) 2007-01-25
JP2007015913A5 true JP2007015913A5 (ja) 2009-07-16
JP5437555B2 JP5437555B2 (ja) 2014-03-12

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Application Number Title Priority Date Filing Date
JP2006158296A Active JP5437555B2 (ja) 2005-06-13 2006-06-07 Ebcのためのシリコン含有基材の結合コートおよび同物を製造するプロセス

Country Status (3)

Country Link
US (1) US7442444B2 (ja)
JP (1) JP5437555B2 (ja)
GB (1) GB2427204A (ja)

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