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一种新型燃烧室材料Haynes282合
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摘要
Haynes 282合是一种新开发的时效强化型燃烧室合,其设计思路是在保持一定数量的弥散强化相γ′相的基础上,通过调整Co、Mo、Ti和C元素,控制γ′相的组成、结构和析出速率,使合在650~950℃范围内保持了优异的高温强度和热稳定性,同时对焊接和冷加工性能进行了很好的平衡和优化。该合综合性能优异,是650~950℃范围内一种非常有应用前景的燃烧室合
Haynes 282 alloy is a newly developed aging strengthened superalloy used for combustion chamber.Its design is,based on a certain number of gamma-prime(γ'),by adjusting the Ti,Co,Mo and C elements to control the composition,structure and precipitation rate of γ' phase.The alloy has excellent strength and the thermal stability at 650 ~ 950 ℃range.It's welding and cold working properties were well balanced and optimized at the same time.This alloy with excellent comprehensive performance is a very promising combustion chamber alloy during temperature range of 650 ~ 950℃.
引文
[1]Pike L M.Development Of A Fabricable Gamma-Prime(γ')Strengthened Superalloy[C].Superalloy 2008,TMS,Warrendale,PA,2008:191~200.
    [2]Haynes 282 Alloy Bulletin,Kokomo,IN;http://www.haynesintl.com/pdf/h3173.pdf.
    [3]中国属学会高温材料分会.中国高温合手册[M].北京:中国标准出版社,2012.
    [4]Rowe M D.Ranking the Resistance of Wrought Superalloys to Strain-Age Cracking[J].Welding Journal,2006(85):27~34.

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