On the Effect of Alloying Additions to the Ni-Cr-Al-Nb Dual-Superlattice Gamma-Gamma Prime-Gamma Double Prime Superalloys

On the Effect of Alloying Additions to the Ni-Cr-Al-Nb Dual-Superlattice Gamma-Gamma Prime-Gamma Double Prime Superalloys
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合金添加对Ni-Cr-Al-Nb双超晶格Gamma-Gamma Prime-Gamma双Prime高温合金的影响

DOI:
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发表时间:
2018
期刊:
影响因子:
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通讯作者:
H. Stone
H. Stone
中科院分区:
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文献类型:
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作者:
P. Mignanelli;N. Jones;M. Hardy;H. Stone

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最近的工作确定了一种新型的Ni-Cr-Al-Nb合金,其能够产生具有优异的显微组织稳定性和拉伸强度的γ-γ′-γ″双超晶格显微组织。在这项研究中,我们报告的效果添加合金元素,传统的分区到γ矩阵。重点研究了它们对双超晶格高温合金显微组织、硬度和晶格失配度的影响。这些研究结果表明,合理的合金化可以进一步提高双超晶格高温合金的性能和稳定性,与γ″相强化的其他合金相比,双超晶格高温合金具有显著提高高温性能的潜力。
Recent work has identified a novel Ni-Cr-Al-Nb alloy capable of generating a γ-γ′-γ″ dual-superlattice microstructure with excellent microstructural stability and tensile strength. In this study, we report on the effect of additions of alloying elements that traditionally partition to the γ matrix. Attention is focussed on their effects upon the microstructure, hardness and lattice misfit of dual-superlattice superalloys. The results obtained from these studies indicate that judicious alloying may further enhance the properties and stability of these dual-superlattice superalloys and that they offer the potential of greatly increased temperature capability compared to other alloys reinforced by γ″ precipitates.
DOI: 10.1007/s11661-014-2727-x
发表时间: 2015-03-01
影响因子: 2.8
作者:
Fleischmann, Ernst;Konrad, Christian;Glatzel, Uwe
通讯作者: Glatzel, Uwe