DETERMINATION OF DELTA FERRITE CONTENT AND MORPHOLOGY IN 431 AISI MARTENSITIC STAINLESS STEEL

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RAMEZANI MOVAFFAGH M.; NADERI M.; SOLTANI M.A.; BARADARAN R.

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Paper Information

Journal: METALLURGICAL ENGINEERING Year:2014 | Volume:17 | Issue:54 Page(s): 18-23

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Title

DETERMINATION OF DELTA FERRITE CONTENT AND MORPHOLOGY IN 431 AISI MARTENSITIC STAINLESS STEEL

Author(s)

RAMEZANI MOVAFFAGH M. | NADERI M. | SOLTANI M.A. | BARADARAN R. | Issue Writer Certificate

Keywords

DELTA FERRITE PHASEQ2

DILATOMETRYQ2

MARTENSITIC STAINLESS STEELQ2

Abstract

This research focused on formation of DELTA FERRITE PHASE in AISI 431 MARTENSITIC STAINLESS STEEL by dilatometric instrument. The paper aims to determine an optimum temperature and soaking time according to the morphology and percentage of Delta phase, in order to have a better prediction of the steel’s mechanical and thermo-mechanical properties. Heating treatments were performed under temperatures from 1050oC to 1250oC and two time periods, 5 and 10 minutes. The dilatometric curves results show that temperature of Martensitic start transformation decreases with increasing of soaking temperature and time. The content of DELTA FERRITE PHASE decreases when temperature is below of 1100oC then increases to 14 percent of volume fraction and morphology of this phase is lathy ferrite that changes to vormecular or island shape by increasing of temperature.

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APA: Copy

RAMEZANI MOVAFFAGH, M., NADERI, M., SOLTANI, M.A., & BARADARAN, R.. (2014). DETERMINATION OF DELTA FERRITE CONTENT AND MORPHOLOGY IN 431 AISI MARTENSITIC STAINLESS STEEL. METALLURGICAL ENGINEERING, 17(54 ), 18-23. SID. https://sid.ir/paper/112383/en

Vancouver: Copy

RAMEZANI MOVAFFAGH M., NADERI M., SOLTANI M.A., BARADARAN R.. DETERMINATION OF DELTA FERRITE CONTENT AND MORPHOLOGY IN 431 AISI MARTENSITIC STAINLESS STEEL. METALLURGICAL ENGINEERING[Internet]. 2014;17(54 ):18-23. Available from: https://sid.ir/paper/112383/en

IEEE: Copy

M. RAMEZANI MOVAFFAGH, M. NADERI, M.A. SOLTANI, and R. BARADARAN, “DETERMINATION OF DELTA FERRITE CONTENT AND MORPHOLOGY IN 431 AISI MARTENSITIC STAINLESS STEEL,” METALLURGICAL ENGINEERING, vol. 17, no. 54 , pp. 18–23, 2014, [Online]. Available: https://sid.ir/paper/112383/en

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