首页> 外文会议>Thirty-Ninth Space Congress, Apr 30-May 3, 2002, Cape Canaveral, Florida >Robust Low Cost Liquid Rocket Combustion Chamber By Advanced Vacuum Plasma Process
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Robust Low Cost Liquid Rocket Combustion Chamber By Advanced Vacuum Plasma Process

机译:通过先进的真空等离子工艺制造的坚固耐用的低成本液体火箭燃烧室

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For the first time ever, a coating has remained adhered to the combustion liner through a hot firing test. While referred to as a coating, the VPS NiCrAlY is actually a functional gradient material (FGM), an integral part of the combustion liner with no bond line separating them. (8) While Cu-8Cr-4Nb performed at higher temperatures with greatly improved Low Cycle Fatigue over NARloy-Z, the VPS NiCrAlY FGM offered additional oxygen and blanching protection plus thermal barrier protection for lower operating temperature and longer operating life. The VPS Cu-8Cr-4Nb combustion liner with FGM "coating" was projected to produce a 100-mission life.
机译:有史以来第一次,涂层通过热烧制测试一直保持附着在燃烧衬套上。虽然被称为涂层,但VPS NiCrAlY实际上是一种功能梯度材料(FGM),是燃烧衬套的组成部分,没有将它们分开的粘合线。 (8)尽管Cu-8Cr-4Nb在更高的温度下运行,并且与NARloy-Z相比大大改善了低周疲劳性能,但VPS NiCrAlY FGM提供了额外的氧气和热烫保护以及热障保护,从而降低了工作温度,延长了使用寿命。预计带有FGM“涂层”的VPS Cu-8Cr-4Nb燃烧衬套的使用寿命为100次。

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