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Mo-Si-B Alloys: Developing a Revolutionary Turbine-Engine Material

机译:Mo-Si-B合金:开发革命性的涡轮发动机材料

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This article discusses three main points. First, ultrahigh-temperature materials offer a large return to the propulsion community and to the economy, but replacing Ni-based alloys is a very difficult problem for both technical and financial reasons. Second, the oxidation resistance of selected Mo-Si-B alloys and the prospects for combining this with useful structural properties are remarkable, given the nature of conventional Mo alloys; however, there are nagging issues associated with their low-temperature (~700℃) behavior. Third, further advances in the processing of such materials, together with assessments of their affordability and reliability, are vital for achieving a successful engineering technology.
机译:本文讨论了三个要点。首先,超高温材料为推进界和经济提供了巨大回报,但是由于技术和经济原因,替代镍基合金是一个非常困难的问题。第二,考虑到传统钼合金的性质,精选的钼硅硼合金的抗氧化性以及将其与有用的结构性能相结合的前景是显着的。但是,它们的低温(〜700℃)性能存在困扰。第三,这种材料加工的进一步进步,以及对它们的承受能力和可靠性的评估,对于获得成功的工程技术至关重要。

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