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Mechanism of Austenite Evolution During Deformation of Ultra-High Carbon Steel 被引量:1

Mechanism of Austenite Evolution During Deformation of Ultra-High Carbon Steel
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摘要 The mechanism of transformation of austenite to cementite and pearlite during the deformation of ultra-high carbon steel was discussed. The results indicate that the pearlite and cementite can be induced by deformation between Acm to Arcm The transformation during deformation is still considered as a diffusion-controlled process. With the increase of time and reduction, the pearlite fraction increased. At the beginning of the transformation, the pearlite was lamelliform. When the rate of reduction was increased to 70%, some of the induced lamellar pearlite was broken up under deformation. The mechanism of transformation of austenite to cementite and pearlite during the deformation of ultra-high carbon steel was discussed. The results indicate that the pearlite and cementite can be induced by deformation between Acm to Arcm The transformation during deformation is still considered as a diffusion-controlled process. With the increase of time and reduction, the pearlite fraction increased. At the beginning of the transformation, the pearlite was lamelliform. When the rate of reduction was increased to 70%, some of the induced lamellar pearlite was broken up under deformation.
出处 《Journal of Iron and Steel Research International》 SCIE EI CAS CSCD 2008年第3期42-46,共5页
关键词 ultra-high carbon steel microstructure DEFORMATION TRANSFORMATION ultra-high carbon steel microstructure deformation transformation
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