Phase transformations in ion irradiated Ti-6242s alloys

Plumton, D.L.; Kulcinski, G.L.; Dodd, R.A.

doi:10.1016/0022-3115(87)90038-9

Cited by 7 publications

(3 citation statements)

References 11 publications

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“…phase of Ti6-4 alloy. After irradiation at 700 °C , the presence of precipitates was not detected and dislocations seemed to pre dominate in the material [9,[11][12][13]. Table 1 collects irradiation conditions for neutron, proton and heavy ion experiments on Ti6-4 alloy from the literature, and main features of the microstructure observed in each case.…”

Section: Introductionmentioning

confidence: 99%

Evolution of defects in Ti6-4 under Ti2+ ion irradiation: Focus on radiation-induced precipitates

Doriot

Jouanny

Malaplate

et al. 2018

Journal of Nuclear Materials

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• Irradiation-induced precipitates were observed after ion irradiation for both irradiation temperatures at 300 °C and 430 °C. • A probable mechanism for the distribution of vanadium-rich � precipitates is the heterogeneous nucleation. • The nucleation of precipitates is dominated by the Radiation Induced Segregation (RIS) phenomenon at 430 °C. • The influence of rising the irradiation temperature from 300 °C to 430 °C appears very modest for -type loops in Ti6-4.

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Section: Introductionmentioning

confidence: 99%

Evolution of defects in Ti6-4 under Ti2+ ion irradiation: Focus on radiation-induced precipitates

Doriot

Jouanny

Malaplate

et al. 2018

Journal of Nuclear Materials

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“…It was nevertheless mentioned that for heavy ion irradiations (2.1 to 32 dpa) at temperature ranging from 450°C to 700°C, some authors observed V-rich phase precipitation in the phase of Ti6-4 alloy (ions Al 3+ 9 MeV). But at 700°C the presence of precipitates is not detected and only dislocations seem to dominate the material [6,7,8,9]. The objective of this work is to study in more details the effect of two irradiation parameters: temperature and dose, on two species of titanium: CP Ti grade 2 and Ti6-4.…”

Section: Introductionmentioning

confidence: 99%

Evolution of Defects in two Titanium Alloys Under Ti²⁺Ion Irradiation

Jouanny

Dehmas

Doriot

et al. 2016

Proceedings of the 13th World Conference on Titanium

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The goal of this study was to understand the microstructural evolution of two industrial titanium alloys (grade 2 and 5) under irradiation in order to derive information for potential application in nuclear industry especially for internals in nuclear reactors. Ion irradiation conditions were chosen to obtain a homogeneous damage profile of a few dpa over 500 nm depth in six hours (corresponding to one irradiation day). The influence of both the dose and temperature was taken into account. A special attention paid to counting defects revealed an evolution with the dose, the temperature and the nature of the material. After 0.6 and 3 dpa irradiations at 450°C, using the JANNuS-Saclay facility, TEM characterization showed that a thin precipitation of rich vanadium -phase occured in the -phase of Ti6-4, in addition to the loops present in both materials.

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“…(Figure 2). Ion irradiation has been used to simulate irradiation damage in oxides and metals for use in nuclear waste, thermal reactors[1, 2], fast reactor [3], and nuclear fusion applications [4][5][6]. Unfortunately, the damage profile resulting from ion implantation is limited in both spatial resolutions by the beam optics and in depth by the beam energy and atomic mass of the ion species and the specimen.…”

Section: Rapid Displacement Damage Through High Temperautre Ion Irradmentioning

confidence: 99%

Fast neutron environments.

Buchheit¹,

Kotula²,

Lu³

et al. 2011

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The goal of this LDRD project is to develop a rapid first-order experimental procedure for the testing of advanced cladding materials that may be considered for generation IV nuclear reactors. In order to investigate this, a technique was developed to expose the coupons of potential materials to high displacement damage at elevated temperatures to simulate the neutron environment expected in Generation IV reactors. This was completed through a high temperature high-energy heavy-ion implantation. The mechanical properties of the ion irradiated region were tested by either micropillar compression or nanoindentation to determine the local properties, as a function of the implantation dose and exposure temperature. In order to directly compare the microstructural evolution and property degradation from the accelerated testing and classical neutron testing, 316L, 409, and 420 stainless steels were tested. In addition, two sets of diffusion couples from 316L and HT9 stainless steels with various refractory metals. This study has shown that if the ion irradiation size scale is taken into consideration when developing and analyzing the mechanical property data, significant insight into the structural properties of the potential cladding materials can be gained in about a week. 4 ACKNOWLEDGMENTSThe authors would like to thank Dan Buller and Stuart Van Deusen for their time and expertise needed to complete the high temperature ion implantations. The authors would also like to thank Stuart Maloy, Andrew T. Nelson, and Osman Anderoglu for the many useful discussions and for supplying the HT9 steel used to produce the diffusion couples. The authors would also like to

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Phase transformations in ion irradiated Ti-6242s alloys

Cited by 7 publications

References 11 publications

Evolution of defects in Ti6-4 under Ti2+ ion irradiation: Focus on radiation-induced precipitates

Evolution of defects in Ti6-4 under Ti2+ ion irradiation: Focus on radiation-induced precipitates

Evolution of Defects in two Titanium Alloys Under Ti²⁺Ion Irradiation

Fast neutron environments.

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Phase transformations in ion irradiated Ti-6242s alloys

Cited by 7 publications

References 11 publications

Evolution of defects in Ti6-4 under Ti2+ ion irradiation: Focus on radiation-induced precipitates

Evolution of defects in Ti6-4 under Ti2+ ion irradiation: Focus on radiation-induced precipitates

Evolution of Defects in two Titanium Alloys Under Ti2+Ion Irradiation

Fast neutron environments.

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Evolution of Defects in two Titanium Alloys Under Ti²⁺Ion Irradiation