The Effect of Fe-Ion Irradiation on Hardness Changes in P92 Ferritic/Martensitic Steel

Jun Zhu; Yin Zhong Shen

doi:10.4028/www.scientific.net/AMM.446-447.418

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 446-447The Effect of Fe-Ion Irradiation on Hardness...

The Effect of Fe-Ion Irradiation on Hardness Changes in P92 Ferritic/Martensitic Steel

Abstract:

The irradiation-induced hardness change in a commercial P92 ferritic/martensitic steel has been investigated through 3.5MeV Fe-ions irradiations to a dose of 0.29dpa at room temperature, 673K and 973K combined with nanoindentation techniques. The results show that irradiation-induced hardening was observed at the room temperature, and softening occurred at 673K and 973K. The hardening at room temperature is ascribed to the crystal defects in the steel generated by Fe-ions irradiations. The softening at 673K and 973K may be caused by the recovery of the defects.

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Periodical:

Applied Mechanics and Materials (Volumes 446-447)

Pages:

418-421

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.446-447.418

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Online since:

November 2013

Authors:

Jun Zhu, Yin Zhong Shen

Keywords:

Elevated Temperature, Hardness, Irradiation, Nanoindentation, P92 Steel

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