Dynamic tensile properties of reduced-activation ferritic steel F82H

Ryuta Kasada; Daiki Ishii; Masami Ando; Hiroyasu Tanigawa; Mitsuru Ohata; Satoshi Konishi

doi:10.1016/j.fusengdes.2015.05.001

Dynamic tensile properties of reduced-activation ferritic steel F82H

Ryuta Kasada, Daiki Ishii, Masami Ando, Hiroyasu Tanigawa, Mitsuru Ohata, Satoshi Konishi

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

The dynamic tensile properties of reduced-activation ferritic steel F82H was characterized by high-speed tensile tests over a strain-rate range of 0.01-1400 s^-1 at temperatures of 296 and 423 K. As a result, the tensile strength of the F82H steel appears to be sensitive to strain-rate. This is explained by the activation volume of gliding dislocation. The uniform elongation is also sensitive to strain-rate but true fracture strain is considered to be less sensitive. Zerilli-Armstrong bcc model is found adequate to describe the dependence of yield stress of F82H on temperature and strain-rate tested in the present study.

Original language	English
Pages (from-to)	146-151
Number of pages	6
Journal	Fusion Engineering and Design
Volume	100
DOIs	https://doi.org/10.1016/j.fusengdes.2015.05.001
Publication status	Published - 2015 Nov 1
Externally published	Yes

Keywords

Deformation
Dynamic tensile properties
High-speed tensile test
Reduced-activation ferritic steel

ASJC Scopus subject areas

Civil and Structural Engineering
Nuclear Energy and Engineering
Materials Science(all)
Mechanical Engineering

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10.1016/j.fusengdes.2015.05.001

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title = "Dynamic tensile properties of reduced-activation ferritic steel F82H",

abstract = "The dynamic tensile properties of reduced-activation ferritic steel F82H was characterized by high-speed tensile tests over a strain-rate range of 0.01-1400 s-1 at temperatures of 296 and 423 K. As a result, the tensile strength of the F82H steel appears to be sensitive to strain-rate. This is explained by the activation volume of gliding dislocation. The uniform elongation is also sensitive to strain-rate but true fracture strain is considered to be less sensitive. Zerilli-Armstrong bcc model is found adequate to describe the dependence of yield stress of F82H on temperature and strain-rate tested in the present study.",

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T1 - Dynamic tensile properties of reduced-activation ferritic steel F82H

AU - Kasada, Ryuta

AU - Ishii, Daiki

AU - Ando, Masami

AU - Tanigawa, Hiroyasu

AU - Ohata, Mitsuru

AU - Konishi, Satoshi

PY - 2015/11/1

Y1 - 2015/11/1

N2 - The dynamic tensile properties of reduced-activation ferritic steel F82H was characterized by high-speed tensile tests over a strain-rate range of 0.01-1400 s-1 at temperatures of 296 and 423 K. As a result, the tensile strength of the F82H steel appears to be sensitive to strain-rate. This is explained by the activation volume of gliding dislocation. The uniform elongation is also sensitive to strain-rate but true fracture strain is considered to be less sensitive. Zerilli-Armstrong bcc model is found adequate to describe the dependence of yield stress of F82H on temperature and strain-rate tested in the present study.

AB - The dynamic tensile properties of reduced-activation ferritic steel F82H was characterized by high-speed tensile tests over a strain-rate range of 0.01-1400 s-1 at temperatures of 296 and 423 K. As a result, the tensile strength of the F82H steel appears to be sensitive to strain-rate. This is explained by the activation volume of gliding dislocation. The uniform elongation is also sensitive to strain-rate but true fracture strain is considered to be less sensitive. Zerilli-Armstrong bcc model is found adequate to describe the dependence of yield stress of F82H on temperature and strain-rate tested in the present study.

KW - Deformation

KW - Dynamic tensile properties

KW - High-speed tensile test

KW - Reduced-activation ferritic steel

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Dynamic tensile properties of reduced-activation ferritic steel F82H

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Keywords

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