THE EFFECT OF HEAT TREATMENT ON MAGNETIC PROPERTIES OF FE78SI9B13 AMORPHOUS RIBBONS

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BAKHTIARI R.; JAZAYERI GHAREHBAGH A.; KIANI M.; BINESH B.

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Journal: Journal of Metallurgical and Materials Engineering Year:2012 | Volume:23 | Issue:2 Page(s): 1-10

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Title

THE EFFECT OF HEAT TREATMENT ON MAGNETIC PROPERTIES OF FE78SI9B13 AMORPHOUS RIBBONS

Author(s)

BAKHTIARI R. | JAZAYERI GHAREHBAGH A. | KIANI M. | BINESH B. | Issue Writer Certificate

Keywords

AMORPHOUSQ2

MELT SPINNINGQ2

RAPID SOLIDIFICATIONQ3

FE78SI9B13Q3

HEAT TREATMENTQ3

ANNEALINGQ2

MAGNETIC PROPERTIESQ3

CRYSTALLIZATIONQ2

Abstract

Residual stresses resulting from rapid quenching of molten metal in MELT SPINNING process can be removed by structural relaxation of samples at temperatures lower than the CRYSTALLIZATION temperature in order to improve the MAGNETIC PROPERTIES. In this research, AMORPHOUS Fe78Si9B13 ribbons (Metglas 2605S2 used in transformer cores) with the thickness of 26 mm were prepared by chill block MELT SPINNING. DTA measurements on the ribbons heated with the rate of 20 K/min showed that the starting CRYSTALLIZATION temperature is 535oC. The ribbons were then heat treated in a protective gas for 15 to 60 minutes at temperatures in the range of 300-560oC. XRD results revealed an AMORPHOUS structure for all the heat treated samples except for the samples annealed at 500 and 560oC in which the structure were consisted of three crystalline phases of a-Fe, Fe2B and Fe3B. The measurement of MAGNETIC PROPERTIES by Hysteresisgraph indicated that the saturation induction increases by an increase in the ANNEALING time and/or ANNEALING temperature. The best combination of MAGNETIC PROPERTIES was obtained after ANNEALING at 400oC for 15 minutes.

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APA: Copy

BAKHTIARI, R., JAZAYERI GHAREHBAGH, A., KIANI, M., & BINESH, B.. (2012). THE EFFECT OF HEAT TREATMENT ON MAGNETIC PROPERTIES OF FE₇₈SI₉B₁₃AMORPHOUS RIBBONS. JOURNAL OF METALLURGICAL AND MATERIALS ENGINEERING (JOURNAL OF SCHOOL OF ENGINEERING), 23(2), 1-10. SID. https://sid.ir/paper/196165/en

Vancouver: Copy

BAKHTIARI R., JAZAYERI GHAREHBAGH A., KIANI M., BINESH B.. THE EFFECT OF HEAT TREATMENT ON MAGNETIC PROPERTIES OF FE₇₈SI₉B₁₃AMORPHOUS RIBBONS. JOURNAL OF METALLURGICAL AND MATERIALS ENGINEERING (JOURNAL OF SCHOOL OF ENGINEERING)[Internet]. 2012;23(2):1-10. Available from: https://sid.ir/paper/196165/en

IEEE: Copy

R. BAKHTIARI, A. JAZAYERI GHAREHBAGH, M. KIANI, and B. BINESH, “THE EFFECT OF HEAT TREATMENT ON MAGNETIC PROPERTIES OF FE₇₈SI₉B₁₃AMORPHOUS RIBBONS,” JOURNAL OF METALLURGICAL AND MATERIALS ENGINEERING (JOURNAL OF SCHOOL OF ENGINEERING), vol. 23, no. 2, pp. 1–10, 2012, [Online]. Available: https://sid.ir/paper/196165/en

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