2021
DOI: 10.1007/s40830-021-00349-8
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Effect of Al Content on Abnormal Grain Growth and Superelasticity in Fe–Mn–Al–Cr–Ni Shape Memory Alloys with Near-Zero Temperature-Dependence of Transformation Stress

Abstract: The solvus temperature of face-centered cubic (FCC) phase in 14,and 15) shape memory alloys with different Al contents, and their abnormal grain growth and superelasticity at various temperatures were evaluated. With increasing Al content, the solvus temperature of the FCC phase decreased and the FCC precipitates became finer. Whereas cyclic heat treatment induced abnormal grain growth (AGG) in all samples, large grains were obtained more easily in the alloys with higher Al content. The critical stress for mar… Show more

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Cited by 9 publications
(2 citation statements)
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“…The AGG can be induced by introducing subgrains through CHT in Fe-Mn-Al-Ni SMA. Consequently, Fe-Mn-Al-Ni SMA can also be prepared with large grains with CHT, as Cu-Al-Mn SMA [32][33][34][35][36].…”
Section: Introductionmentioning
confidence: 99%
“…The AGG can be induced by introducing subgrains through CHT in Fe-Mn-Al-Ni SMA. Consequently, Fe-Mn-Al-Ni SMA can also be prepared with large grains with CHT, as Cu-Al-Mn SMA [32][33][34][35][36].…”
Section: Introductionmentioning
confidence: 99%
“…However, a variation, e.g., of the chemical composition of the B2-particles, was generally not performed in a specific fashion, but by a simple variation of the Al content or an addition of new elements like Ti or Cr. [13,24,25] The present article aims to tackle the prevailing research gap by a targeted customization of the amount and composition of the B2 precipitates. This is performed based on CalPhaD (Calculation Figure 1.…”
Section: Introductionmentioning
confidence: 99%