Numerical relationship between hardness and microstructure of JLF-1 steel after cyclic deformation | Zendy

Li Huai-Lin | Zendy; Wen Tao Yang | Zendy; Yang Qifa | Zendy

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Numerical relationship between hardness and microstructure of JLF-1 steel after cyclic deformation

Author(s) -

Li Huai-Lin,

Wen Tao Yang,

Yang Qifa

Publication year - 2009

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.58.338

Subject(s) - lath , materials science , microstructure , martensite , vickers hardness test , dislocation , softening , transmission electron microscopy , deformation (meteorology) , indentation hardness , composite material , nanotechnology

The cyclic softening of a reduced-activation ferritic/martensitic steel, JLF-1, is one of main problems for application. The microstructure of JLF-1 steel after cyclic deformation is analysed by transmission electron microscope and the Vickers hardness is tested. Based on the dislocation theory, the numerical relationship between change in hardness and microstructure of JLF-1 dislocation density, lath width and dislocation cell size is given.

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