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本文研究高钨系列的铸造镍基高温合金。对比研究二种合金在850～1100℃范围内长期热暴露学基体组织和渗铝涂层组织的变化,并探讨其组织稳定性的机理。
This paper studies high-tungsten cast nickel-base superalloys. The changes of the microstructure and the microstructure of the aluminized coatings exposed to long-term heat exposure at 850 ~ 1100 ℃ were investigated by comparing the two alloys. The mechanism of the stability of the two alloys was also discussed.