Phase and structural transformations in heat resistant intermetallide nickel-based alloy

O. G. Ospennikova; N. V. Petrushin; I. A. Treninkov; O. B. Timofeeva

doi:10.1134/S2075113316060137

Phase and structural transformations in heat resistant intermetallide nickel-based alloy

作者: Ospennikova O.G.¹, Petrushin N.V.¹, Treninkov I.A.¹, Timofeeva O.B.¹
隶属关系:
1. All-Russian Scientific Research Institute of Aviation Materials (VIAM)
期: 卷 7, 编号 6 (2016)
页面: 832-839
栏目: Metal Science. Metallurgy
URL: https://journals.rcsi.science/2075-1133/article/view/205831
DOI: https://doi.org/10.1134/S2075113316060137
ID: 205831

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详细

The paper studies single crystals of heat resistant intermetallide nickel-based alloy, microsegregation alloying elements within dendritic cells. The parameters of the lattices γ′ and γ phases are determined at room temperature by X-ray structural analysis. Alloying elements W, Cr, Mo and Co concentrate in the dendritic branches. It is shown that long-term (up to 690 h) creep tests in the temperature range of 1000–1200°C hardly change the phase composition of VIN3 alloy.