Structure and properties of alloys vysokoentropiynyh A lx-CoCrFexNiV

V. F. Bashev, A. I Kushner

Abstract


In this study, the structure o f m ulti-vysokoen tropiynyh alloys A lxC oC rFexN iV (x = 1;2) in the as-cast condition (cooling rate ~ 102 К с -1). E stablished in the sim ultaneous form ation of the structure of disordered solid solutions w ith bcc lattice type and of ordered solid solutions related to the structural type B2. W ere obtained high values of m icrohardness and dislocation density.

Keywords


Structure; BCC; AT 2

References


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GOST Style Citations


1. Yeh J.W. Nanostructured high-entropy alloys with multiple principal elements: Novel alloy design concepts and outcomes/ J.W. Yeh, S.K. Chen, S.J. Lin, J.Y. Gan, T.S. Chin, T.T. Shun, C.H. Tsau, S.Y. Chang // Advanced Engineering Materials. -2004. -V.6. -Р.299-303.

2. Wu J.M. Adhesive wear behavior of AlxCoCrCuFeNi high-entropy alloys as a function of aluminum content/ J.M. Wu, S.J. Lin, J.W. Yeh, S.K. Chen, Y.S. Huang // Wear.-2006. -V.261. -Р.513-519.

3. Yeh J.W. Alloy Design Strategies and Future Trends in High-Entropy Al- loys/J.W. Yeh // JOM.- 2013.- V. 65. - P. 1759-1771.

4. Egami T. Irradiation Resistance of Multicomponent Alloys/ T. Egami, W. Guo, P.D. Rack, T. Nagase // Metallurgical and Materials Transactions A.- 2014, - V. 45, -P. 180-183.

5. Tsai. M.H. Physical Properties of High Entropy Alloys/M.H. Tsai// Entropy. 2013, -15, P. 5338 - 5345.

6. Соболь О.В. О воспроизводимости однофазного структурного состояния многоэлементной высокоэнтропийной системы Ti-V-Zr-Nb-Hf и высокотвердых нитридов на ее основе при их формировании вакуумно-дуговым методом/О.В. Соболь, А.А. Андреев, В.Ф. Горбань, Н.А. Крапивка, В.А. Столбовой, И.В. Сердюк, В.Е. Фильчиков//Письма в ЖТФ.-2012.-т.38, вып. 13. -с.41-48.

7. Zhang Y. Solid-Solution Phase Formation Rules for Multi-component Alloys/ Y. Zhang, Y.J. Zhou, J.P.Lin, G.L. Chen, P.C. Liaw//Advanced Engineering Materials.-2008. -V.10, Iss. 6. -Р. 534-538.

8. Zhang Y. Alloy Design and Properties Optimization of High-Entropy Alloys/ Y. Zhang, X.Yang, P.K. Liaw//J0M.-2012. -V.64, Iss. 7. -Р. 830-838.

9. Guo.S. Phase stability in high entropy alloys: Formation of solid-solution phase or amorphous phase/S. Guo, C.T.Liu// Progress in Natural Science: Materials In- ternational.-2011.-V. 21, Iss. 6, -P. 433-446.

10. Guo.S. Effect of valence electron concentration on stability of fcc or bcc phase in high entropy alloys /S. Guo, C. Ng, J.Lu, C.T.Liu// Journal of Applied Phys- ics.-2011.-V. 109, Iss. 10, -P. 103505-1-103505-5.

11. Li W .K Advanced Structural Inorganic Chemistry/W.K. Li, G.D. Zhou, T.C.W. Mak. -New York: Oxford University Press, 2008. -688 p.

12. Takeuchi A. Classification of Bulk Metallic Glasses by Atomic Size Difference, Heat of Mixing and Period of Constituent Elements and Its Application to Characterization of the Main Alloying Element/A. Takeuchi, A. Inoue// Materials Transactions.-2005. -V. 46, № 12. -P. 2817-2829.

13. Sriharitha R. Phase formation in mechanically alloyed AlxCoCrCuFeNi (x = 0.45, 1, 2.5, 5) high entropy alloys/ R. Sriharitha, B. S. Murty, R. S. Kottada// Intermetallics. -2013. -V.32. -P. 119-126.

14. Singh A.K. On the formation of disordered solid solutions in multi-component alloys/ A.K. Singh, A. Subramaniam// Journal of Alloys and Compounds. 2014. -V.587. -P. 113-119.



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