MICROSTRUCTURE EVOLUTION AND MECHANICAL PROPERTIES DURING COLD ROLLING AND REVERSE TRANSFORMATION IN FE-18 NI MARTENSITIC STEEL

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FALAKI TARAZKOUHI MOHAMMAD; JAFARIAN HAMID REZA; ABOUTALEBI MOHAMMAD REZA; GHORBANIAN ASHKAN; SHIRAZI HASSAN

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Journal: METALLURGICAL ENGINEERING Year:2017 | Volume:20 | Issue:3 (67) Page(s): 162-171

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Title

MICROSTRUCTURE EVOLUTION AND MECHANICAL PROPERTIES DURING COLD ROLLING AND REVERSE TRANSFORMATION IN FE-18 NI MARTENSITIC STEEL

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Keywords

GRAIN REFININGQ1

MARTENSITIC ALLOYQ2

AUSTENITE MEMORYQ2

COLD ROLLQ2

Abstract

In this study, the effect of COLD ROLLing on the reverse transformation in Fe-18Ni MARTENSITIC ALLOY were studied by means of microstructure development, tensile and hardness tests. One of promising way to obtain fine grained materials is using reverse martensitic transformation in specific in martensitic steels. In the present research, the studied alloy was subjected to different amount of COLD ROLLing consisting of 10, 20 and 50%. Then the COLD ROLLed samples was conducted to reverse transformation heat treatment at 700 C for different cycles. It is found that the 50% COLD ROLLed sample followed by reverse transformation at 7000 C for 0 second demonstrated considerable elongation and relatively high strength of 760 MPa and hardness of 270 HV. It should be noted that the starting material has strength of 620 MPa and hardness of 223 HV.

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APA: Copy

FALAKI TARAZKOUHI, MOHAMMAD, JAFARIAN, HAMID REZA, ABOUTALEBI, MOHAMMAD REZA, GHORBANIAN, ASHKAN, & SHIRAZI, HASSAN. (2017). MICROSTRUCTURE EVOLUTION AND MECHANICAL PROPERTIES DURING COLD ROLLING AND REVERSE TRANSFORMATION IN FE-18 NI MARTENSITIC STEEL. METALLURGICAL ENGINEERING, 20(3 (67) ), 162-171. SID. https://sid.ir/paper/112390/en

Vancouver: Copy

FALAKI TARAZKOUHI MOHAMMAD, JAFARIAN HAMID REZA, ABOUTALEBI MOHAMMAD REZA, GHORBANIAN ASHKAN, SHIRAZI HASSAN. MICROSTRUCTURE EVOLUTION AND MECHANICAL PROPERTIES DURING COLD ROLLING AND REVERSE TRANSFORMATION IN FE-18 NI MARTENSITIC STEEL. METALLURGICAL ENGINEERING[Internet]. 2017;20(3 (67) ):162-171. Available from: https://sid.ir/paper/112390/en

IEEE: Copy

MOHAMMAD FALAKI TARAZKOUHI, HAMID REZA JAFARIAN, MOHAMMAD REZA ABOUTALEBI, ASHKAN GHORBANIAN, and HASSAN SHIRAZI, “MICROSTRUCTURE EVOLUTION AND MECHANICAL PROPERTIES DURING COLD ROLLING AND REVERSE TRANSFORMATION IN FE-18 NI MARTENSITIC STEEL,” METALLURGICAL ENGINEERING, vol. 20, no. 3 (67) , pp. 162–171, 2017, [Online]. Available: https://sid.ir/paper/112390/en

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