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- Title
Single Goss grain growth by isothermal annealing in rolled Fe–Al–Ga–NbC sheets.
- Authors
Liu, Yang-Yang; Li, Ji-Heng; Li, Xiao-Long; Mu, Xing; Bao, Xiao-Qian; Gao, Xue-Xu
- Abstract
The (Fe82Al13.5Ga4.5)99.9(NbC)0.1 sheets with strong Goss texture and large magnetostriction were prepared by rolling and isothermal annealing processes. Single Goss grain growth was observed in sheets undergoing isothermal annealing at 1050 °C for 1 h using Ar as protecting gas. With annealing time increasing to 8 h at 1050 °C, a largest magnetostriction of 154 × 10−6 is obtained in sheet and a large λ// (the maximum magnetostriction with magnetic field parallel to rolling direction) of 160 × 10−6 along the rolling direction is also observed. The fact that a λ// of 160 × 10−6 along RD can be achieved with only 4.5 at% Ga in the Fe-18 at% (Al, Ga) sheet is of practical importance. Compared with previous studies in Fe–Al and Fe–Ga sheets, this paper provides a more efficient approach to prepare strong Goss textured sheets. In this way, a slow continuous heating process, sulfur-induced surface energy control and high-temperature annealing above 1200 °C are no more necessary. It shows a good prospect for industrial production of high-performance magnetostrictive alloy sheets.
- Publication
Rare Metals, 2023, Vol 42, Issue 10, p3537
- ISSN
1001-0521
- Publication type
Article
- DOI
10.1007/s12598-018-1120-0