Microstructure Characteristics of Eutectoid Pearlitic Steel after Equal Channel Angular Pressing at Room Temperature

Jun Zhao; Hong Yan Zhai; Han Zhang; Xiang Nan Wu; Guo Xing Pang; Zhen Hua Wang

doi:10.4028/www.scientific.net/AMR.129-131.942

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 129-131Microstructure Characteristics of Eutectoid...

Microstructure Characteristics of Eutectoid Pearlitic Steel after Equal Channel Angular Pressing at Room Temperature

Abstract:

An ultrafine microduplex structure was successfully produced through equal channel angular pressing (ECAP) at ambient temperature. According to the morphological characteristics of cementite lamellas, the deformed pearlite consists of shear break lamella, locally thinned lamella and irregularly bent lamella. The proportion of locally thinned lamella and irregularly bent lamella has increased with the pass number of ECAP. In addition, the deformed pearlitic ferrite became a supersaturated solid solution of carbon due to the partial dissolution of cementite during ECAP.

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Periodical:

Advanced Materials Research (Volumes 129-131)

Pages:

942-946

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.129-131.942

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Online since:

August 2010

Authors:

Jun Zhao, Hong Yan Zhai, Han Zhang, Xiang Nan Wu, Guo Xing Pang, Zhen Hua Wang

Keywords:

Equal-Channel Angular Pressing (ECAP), Eutectoid Pearlitic Steel, Microstructure

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