Magnetic investigation of strain induced martensite evolution
Publish place: 1st International and 6th Joint Conference of Iranian Society of Metallurgical Engineers and the scientific community of Casting
Publish Year: 1391
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
IMES06_250
تاریخ نمایه سازی: 8 بهمن 1391
Abstract:
In this work the magnetic properties of AISI 304L austenitic stainless steel was subjected by using the magnetic induction with different working frequencies. For this purpose a sheet rolled from 10 to 80% reduction at 0ᵒC was used. Then, by using Eddy current instrument at frequencies from 50 to 10000 Hz, magnetic behavior was studied. The results were made of two parts: (1) linear part where the reduction was lower than 10%, more non-magnetic transformation (Ɣ→ɛ) occurs in this region, (2) Exponential Rise to Max curve where the sudden increase in formation of ά-martensite (Ɣ→ά) and disappearing of ɛ-martensite occurs, lead to a sharp increase in permeability. Also an obvious relation between parameters of the function that fitted with it and structural changes was found
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Authors
R. Surkialiabad
Materials Group, Engineering Faculty, Ferdowsi University of Mashhad, Mashhad ۹۱۷۷۹۴۸۹۷۴, Iran
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