Comparing cyclic tension-compression effects on CoCrFeMnNi high-entropy alloy and Ni-based superalloy

Tu Ngoc Lam, You Shiun Chou, Yao Jen Chang, Tsung Ruei Sui, An Chou Yeh, Stefanus Harjo, Soo Yeol Lee*, Jayant Jain, Bo Hong Lai, E-Wen Huang

*Corresponding author for this work

研究成果: Article同行評審

3 引文 斯高帕斯(Scopus)

摘要

An equal-molar CoCrFeMnNi, face-centered-cubic (fcc) high-entropy alloy (HEA) and a nickel-based superalloy are studied using in situ neutron diffraction experiments. With continuous measurements, the evolution of diffraction peaks is collected for microscopic lattice strain analyses. Cyclic hardening and softening are found in both metallic systems. However, as obtained from the diffraction-peak-width evolution, the underneath deformation mechanisms are quite different. The CoCrFeMnNi HEA exhibits distinct lattice strain and microstructure responses under tension-compression cyclic loadings.

原文English
文章編號420
頁數8
期刊Crystals
9
發行號8
DOIs
出版狀態Published - 八月 2019

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