A fractal approach to predict the oxidation and corrosion behavior of a grain boundary engineered low SFE high entropy alloy

Vikram, R.J.; Gaddam, Supreeth; Kalsar, Rajib; Acharya, Srijan; Suwas, Satyam

doi:10.1016/j.mtla.2019.100398

Cited by 13 publications

(2 citation statements)

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“…The difference in the grain size affects the strength-ductility synergy 120 . The increase in the volume fraction of intersecting twins in low SFE HEA after cross rolling and intermittent annealing due to destabilization of substructure has also been reported 118 . Therefore, it is clear that changing the strain path during rolling could enable the microstructure and strength-ductility combination to be tuned.…”

Section: Tuningthestrainpathmentioning

confidence: 68%

“…The elongated grain structure is developed by virtue of unidirectional rolling (UDR), whereas the lamellar structure fragmentation occurs by cross rolling. There are a few reports on difference in microstructure due to strain path change in HEA 41,117,118 . The variation in deformation microstructure gives rise to difference in the mechanical properties post-annealing.…”

Section: Tuningthestrainpathmentioning

confidence: 99%

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Strength–Ductility Synergy in High Entropy Alloys by Tuning the Thermo-Mechanical Process Parameters: A Comprehensive Review

2022

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IntroductionHigh Entropy Alloys (HEA) are the class of alloys having minimum of five principal elements with a concentration of constituent elements between 5 and 35 at% [1][2][3][4] . The microstructure, properties, and performance of HEA are driven by four core effects, i.e., high configurational entropy 1,5 , lattice distortion 3 , sluggish diffusion 6 , and cocktail effect 7 . Owing to these effects, HEA exhibit excellent tensile ductility, fracture toughness, corrosion resistance, and many other important properties of relevance [8][9][10][11][12][13] . The combination of desirable property attributes in HEAs makes these materials a perfect candidate for numerous applications, like in gas storage, in ion irradiation plants, and for biomedical implants [13][14][15] . The lower yield

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Section: Tuningthestrainpathmentioning

confidence: 68%

Section: Tuningthestrainpathmentioning

confidence: 99%