Effects of Thermal Annealing and Pulsed Photon Processing on the Relaxation and Crystallization of Amorphous Fe–P–Si Alloys

Vavilova, V. V.; Иевлев, В. М.; Isaenko, A. P.; Kovneristyĭ, Yu. K.; Palii, N. A.; Тимофеев, В. Н.

doi:10.1023/b:inma.0000016090.36608.2f

Cited by 2 publications

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“…In the vast majority of studies of amorphous alloy crystallization, conventional heat treatment (HT) has been used. At the same time, results of a number of studies demonstrate effectiveness of short term expo sure (for a fraction of a second to several seconds) of amorphous alloys to broadband light of high power gas discharge lamps [2][3][4][5]. The activation of solid state processes by flash lamp processing (FLP) shows up as an increase in synthesis rate, reduction in phase formation temperatures, and smaller particle size of forming phases owing to the higher nucleation rate [6,7].…”

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confidence: 95%

Photoactivated nanocrystallization and hardness of Fe78P20Si2 alloy

et al. 2015

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The structural changes induced in an amorphous Fe 78 P 20 Si 2 alloy by heat treatment and lamp pro cessing have been compared using X ray diffraction. The results demonstrate that the main effect of the lamp processing is to increase the crystallization rate. Under nanoindentation conditions that do not lead to crys tallization under the action of a concentrated load (as verified by transmission electron microscopy), we have determined the hardness (8 ± 0.3 GPa) and Young's modulus (130 ± 10 GPa) of the amorphous alloy. Lamp processing conditions have been found that lead to the formation of an amorphous-nanocrystalline compos ite whose hardness is almost twice that of the parent amorphous alloy, without loss of plasticity.

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