NDLI: Comparison on Tensile Characteristics of Plain C–Mn Steel with Ultrafine Grained Ferrite/Cementite Microstructure and Coarse Grained Ferrite/Pearlite Microstructure

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Comparison on Tensile Characteristics of Plain C–Mn Steel with Ultrafine Grained Ferrite/Cementite Microstructure and Coarse Grained Ferrite/Pearlite Microstructure

Content Provider	MDPI
Author	Tian, Yan Zhao, Mingchun Liu, Wenjian Zhang, Jimou Zhang, Min Li, Hongying Yin, Dengfeng Atrens, Andrej
Copyright Year	2021
Description	This work investigated the tensile characteristics of plain C–Mn steel with an ultrafine grained ferrite/cementite (UGF/C) microstructure and coarse-grained ferrite/pearlite (CGF/P) microstructure. The tensile tests were performed at temperatures between 77 K and 323 K. The lower yield and the ultimate tensile strengths were significantly increased when the microstructure was changed from the CGF/P to the UGF/C microstructures, but the total elongation and the uniform elongation decreased. A microstructural change from the CGF/P microstructure to the UGF/C microstructure had an influence on the athermal component of the lower yield and the ultimate tensile strengths but not on the thermal component. The UGF/C microstructure with a higher carbon content provided a higher strength without losing ductility because cementite particles restrained necking.
Starting Page	2309
e-ISSN	19961944
DOI	10.3390/ma14092309
Journal	Materials
Issue Number	9
Volume Number	14
Language	English
Publisher	MDPI
Publisher Date	2021-04-29
Access Restriction	Open
Subject Keyword	Materials Characterization and Testing of Materials Plain C–mn Steel Tensile Property Strength Ductility Grain Size
Content Type	Text
Resource Type	Article

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