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Precise Flow Stress Analysis for the Occurrence of Dynamic Ferritic Transformation and Dynamic Recrystallization of Austenite in Low Carbon Steel
고온 변형 곡선을 이용한 동적 재결정 해석과 동적 상변태의 조기 예측
Nokeun Park
박노근
Korean J. Met. Mater. 2018;56(11):779-786.   Published online 2018 Nov 5
DOI: https://doi.org/10.3365/KJMM.2018.56.11.779

Abstract
There have been previous attempts to observe the occurrence of dynamic ferritic transformation at temperatures even above Ae3 in a low-carbon steel, and not only in steels, but recently also in titanium alloys. In this study, a new approach is proposed that involves treating true stress-true strain curves in uniaxial..... More

                        
Hot Deformation Behavior of As-cast Low Nickel Fe-22Cr-9.5Mn-3.3Ni Austenite Steel
니켈감량 Fe-22Cr-9.5Mn-3.3Ni 오스테나이트강 주조재의 고온 변형성
Sang Yeon Ahn, Jae Sook Song, Sun Ig Hong
안상연, 송재숙, 홍순익
Korean J. Met. Mater. 2017;55(7):477-485.   Published online 2017 Jul 4
DOI: https://doi.org/10.3365/KJMM.2017.55.7.477

Abstract
The hot deformation behavior of as-cast and homogenized Fe-22Cr-9.5Mn-3.3Ni stainless steel was investigated over a temperature range between 600~1,250 ℃. The deformability of the as-cast Fe-22Cr-9.5Mn-3.3Ni steel decreased with increasing temperature up to 850 ℃, and then increased at temperatures between 900 and 1200 ℃ caused by dynamic recrystallization at..... More

      
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