Electron microscopy observations of radiation damage in irradiated and annealed tungsten

Grzonka, J.; Ciupiński, Ł.; Smalc-Koziorοwska, Julita; Огородникова, О. В.; Mayer, M.; Kurzydłowski, Krzysztof J.

doi:10.1016/j.nimb.2014.07.043

Cited by 40 publications

(20 citation statements)

References 28 publications

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“…The mechanism of defects generation in such conditions can be studied by indirect techniques such as positron annihilation spectroscopy [4], which gives an insight into the type of generated defects. Some of the conclusions from these experiments were confirmed with microstructural TEM imaging like insitu radiation experiments [5] or post-mortem observations performed on irradiated specimens [6].…”

Section: Introductionsupporting

confidence: 53%

TEM investigation of the influence of dose rate on radiation damage and deuterium retention in tungsten

Chromiński

Ciupiński

Bazarnik

et al. 2019

Materials Characterization

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Section: Introductionsupporting

confidence: 53%

TEM investigation of the influence of dose rate on radiation damage and deuterium retention in tungsten

Chromiński

Ciupiński

Bazarnik

et al. 2019

Materials Characterization

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“…The microstructure evolution is quite sensitive to dpa up to 0.1 dpa level. Grzonka et al [28] suggested that the depth of the black band depends on the crystal orientation. In Fig.…”

Section: Resultsmentioning

confidence: 99%

Evaluation of helium effect on ion-irradiation hardening in pure tungsten by nano-indentation method

Zhang

Hasenhuetl

Yabuuchi

et al. 2016

Nuclear Materials and Energy

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a b s t r a c tAs-received and recrystallized pure tungsten (W) were irradiated with 6.4 MeV Fe 3 + up to 2 dpa with or without He + at 300 °C, 500 °C, 700 °C and 1000 °C respectively. Irradiation hardening was measured by the nano-indentation method. An equation to evaluate the bulk equivalent hardness was derived on the assumption that the geometrically necessary dislocation (GND) densities at an indentation depth were the same before and after irradiation. Ion-irradiation always induces hardening in both as-received and recrystallized W at all the experiment temperatures. In the case of single-beam irradiation, the recrystallized W exhibited higher hardening than as-received one. The effect of helium on the irradiation hardening is dependent on the material condition: as-received W showed an additional hardening by helium at all the irradiation temperatures, while in recrystallized W the hardening was not affected by helium below 700 °C.

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“…The impact of HI ions (M1) with sufficient incident energy (E0) can displace W atoms (M2) from their lattice sites, creating vacancies and nearby interstitial W atoms (Frenkel pairs). This collision process has been investigated both experimentally [25,26] and computationally [27][28][29][30]. Conservation of energy and momentum defines the kinetic energy transferred to the W atoms (E2) as:…”

Section: Introductionmentioning

confidence: 99%

Hydrogen atom-ion synergy in surface lattice modification at sub-threshold energy

et al. 2020

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Electron microscopy observations of radiation damage in irradiated and annealed tungsten

Cited by 40 publications

References 28 publications

TEM investigation of the influence of dose rate on radiation damage and deuterium retention in tungsten

TEM investigation of the influence of dose rate on radiation damage and deuterium retention in tungsten

Evaluation of helium effect on ion-irradiation hardening in pure tungsten by nano-indentation method

Hydrogen atom-ion synergy in surface lattice modification at sub-threshold energy

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