dose dependence of irradiation hardening of binary Cutting

Dose dependence of irradiation hardening of binary ...

Dose dependence of irradiation hardening of binary ...

Oct 01, 2011 · Fig. 2 shows the dose dependence of the irradiation hardening of the Pure-Fe and Fe-based binary alloys after Fe 3+ irradiations at 290 °C. While the data scatter in nano-indentation tests was larger than that of typical micro-hardness tests, the trend of dose dependence was different among the several alloys.Cited by: 16Publish Year: 2011Author: Kiyohiro Yabuuchi, Hiroki Yano, Ryuta Kasada, Hirotatsu Kishimoto, Akihiko Kimurasp.info Dose dependence of irradiation hardening of binary ...Significant irradiation hardening was observed in the Fe–1Mn, Fe–1.5Mn and Fe–1Ni as well as in the Fe–1Cu, but not in the Pure-Fe, Fe–1Cr and Fe–1Mo, after irradiation to 1 dpa at 290 °C. The dose dependence of the irradiation hardening was well explained for all …sp.info Dose dependence of irradiation hardening of binary ...Oct 01, 2011 · Significant irradiation hardening was observed in the Fe-1Mn, Fe-1.5Mn and Fe-1Ni as well as in the Fe-1Cu, but not in the Pure-Fe, Fe-1Cr and Fe-1Mo, after irradiation to 1 dpa at 290 °C. The dose dependence of the irradiation hardening was well explained for all the alloys by the saturation fitting model.Cited by: 16Publish Year: 2011Author: Kiyohiro Yabuuchi, Hiroki Yano, Ryuta Kasada, Hirotatsu Kishimoto, Akihiko Kimurasp.info Dose dependence of irradiation hardening of binary ...Request PDF | Dose dependence of irradiation hardening of binary ferritic alloys irradiated with Fe 3+ ions | The effects of alloying elements on irradiation hardening behavior of various Fe-based ...

Effect of Heavy Ion Irradiation Dosage on the Hardness of ...


Effect of Heavy Ion Irradiation Dosage on the Hardness of ...

Specimens of the SA508-IV reactor pressure vessel (RPV) steel, containing 3.26 wt. % Ni and just 0.041 wt. % Cu, were irradiated at 290 °C to different displacement per atom (dpa) with 3.5 MeV Fe ions (Fe2+). Microstructure observation and nano-indentation hardness measurements were carried out. The Continuous Stiffness Measurement (CSM) of nano-indentation was used to obtain the …sp.info Size- and ion-dose-dependent microstructural evolution and ...May 25, 2019 · Under lower Φ, a nonmonotonically h-dependent irradiation hardening is evident and is associated with a transition from irradiation hardening at large h (≥10 nm) to softening at small h (<10 nm), and the maximum hardening occurs at a critical value of h ≈ 25 nm.sp.info Temperature-Dependent Irradiation-Induced Clustering in a ...Jul 18, 2021 · Irradiation dose rate is known to be an importance factor affecting the formation and evolution of solute clusters.[64,65] Generally, a low-dose rate (1.0 × 10 −5 dpa/s) can benefit the growth of clusters, while a high-dose rate (53.4 × 10 −5 dpa/s) can promote nucleation of clusters, but suppress their growth effectively.sp.info Xe Ion Irradiation-Induced Microstructural Evolution and ...The nickel-base superalloy Hastelloy N was irradiated using 1 MeV Xe 20+ and 7 MeV Xe 26+ ions with displacement damage ranging from 0.5 dPa to 10 dPa at room temperature (RT). The irradiated Ni-based superalloy was characterized with transmission electron microscopy (TEM), XRD, and nanoindenter to determine the changes in microstructural evolution and nanoindentation hardness.

Size-dependent microstructure evolution and hardness of He ...


Size-dependent microstructure evolution and hardness of He ...

Sep 09, 2019 · The results demonstrated that under ion dose of Φ = 1 × 10 16 ions·cm −2, the Nb/Zr C/CMLs manifested a h-dependent irradiation hardening behavior, while a transition from hardening to softening occurred with reducing h for the multilayers under Φ = 1 × 10 17 ions·cm −2.sp.info Ion-irradiation-induced microstructural modifications in ...Jul 01, 2017 · The dose dependence and temperature dependence of irradiation hardening in T91 are shown in Fig. 13, Fig. 14, respectively. For simplicity, only data at similar temperatures (∼573 K, 673 K, and 773 K) were shown in Fig. 13 and only data in the similar dose …sp.info Modeling of irradiation hardening of iron after low-dose ...Jul 14, 2014 · The exposure of metallic structural materials to irradiation environments results in significant performance degradation, which limits the extended operation of current generation light water reactors and restricts the design of advanced fission and fusion reactors [1–4].Irradiation hardening is the most prevailing degradation phenomena at low temperature (T irr < 0.3T m), routinely ...sp.info Hardening and microstructural evolution of A533b steels ...Dose dependence of irradiation hardening of binary ferritic alloys irradiated with Fe 3+ ions ... of a dislocation while cutting the precipitate can be calculated as a function of the energy of ...

(PDF) Modeling of neutron irradiation hardening of iron


(PDF) Modeling of neutron irradiation hardening of iron

researchers [12 – 19], which aimed to characterize the dose dependence of irradiation hardening and explain the results with respect to the plastic deformation and defect cluster accumulation ...sp.info IRRADIATION EFFECTS ON ZR-2.5NB IN POWER REACTORSJun 09, 2016 · The crack velocity increases with increase in strength due to irradiation hardening. Neutron irradiation produces damage in the crystal lattice of Zr-2.5Nb in the form of predominantly -type dislocation loops that harden the material. The hardening of matrix material affects the DHC velocity through changes in the crack-tip stress.sp.info (PDF) Modeling of irradiation hardening of iron after low ...Jul 14, 2014 · researchers [12 – 19], which aimed to characterize the dose dependence of irradiation hardening and e xplain the results with respect to the plastic deformation and …sp.info Effects of Transmutation Elements on Neutron Irradiation ...Irradiation hardening can be suppressed by Re addition up to 0.40dpa. However W-26Re alloys show significant hardening and embrittlement after irradiation to 2 11dpa because of irradiation induced precipitation of (ReW) or (Re 3W) phases.6) The results of this work show that 0 200 400 600 800 1000 0 ∆ Hv Os content, x/mass% JOYO W-5Re-xOs 1 ...

Irradiation resistance mechanism of the CoCrFeMnNi ...


Irradiation resistance mechanism of the CoCrFeMnNi ...

Jan 12, 2021 · Investigation of the dependence of the irradiation dose and irradiation temperature on the microstructural evolution in the CoCrFeMnNi HEA is very important to determine the reasons for its excellent irradiation resistance. In addition to irradiation with high-energy particles, plastic deformation also produces point defects.sp.info Effect of Ion Irradiation on Surface Microstructure and ...Nov 03, 2021 · A new type SA508-IV reactor pressure vessel steel was irradiated at 290 °C to 3 and 30 displacement per atom (dpa) with 3.5 MeV Fe2+ ions. The focused ion beam was used to cut the samples for the field emission transmission electron microscope (FE-TEM) after irradiation. The microstructure analysis under the scanning transmission electron microscope (STEM) mode of FE …sp.info QuBS | Free Full-Text | Irradiation Hardening Behavior of ...Dec 31, 2020 · A set of V–(4–8)Cr–(0–4)Ti alloys was fabricated to survey an optimum composition to reduce the radioactivity of V–Cr–Ti alloys. These alloys were subjected to nano-indenter tests before and after 2-MeV He-ion irradiation at 500 °C and 700 °C with 0.5 dpa at peak damage to investigate the effect of Cr and Ti addition and gas impurities for irradiation hardening behavior in V ...sp.info Evaluation of Irradiation Embrittlement of A508 Gr 4N and ...Jun 17, 2002 · The irradiation temperature dependence of embrittlement in A508 Gr 4N is nearly the same as other low copper low-alloy steels tested over a wide range of temperatures. The increase in Charpy transition temperature in A508 Gr 4N is due to radiation hardening, and the ratio of TTS to yield strength increase in 3 Ni steels is nearly identical to ...

Effect of Aluminum Ion Irradiation on Chemical and Phase ...


Effect of Aluminum Ion Irradiation on Chemical and Phase ...

Oct 26, 2021 · Commercial rolled AISI 321 stainless steel samples were irradiated with Al+ ions with an energy of 80 keV and fluence of 1017 ion/cm2. The effect of Al implantation on the chemical and phase composition of the steel surface layer was studied by X-ray electron spectroscopy and grazing beam mode of X-ray diffraction analysis. A thin surface layer down to a depth of 30 nm after Al+ ions ...sp.info Plastic instability behavior of bcc and hcp metals after ...The magnitude of the changes is dependent upon both neutron dose and irradiation temperature, with reductions in strain hardening capacity occurring most rapidly in the range 250–350°C.sp.info Coordinated Research Project “Accelerator Simulation …framework is the Fe-Cr binary alloy. The addition of chromium to iron influences significantly the response to irradiation [1]. For example, it has been shown that swelling in Fe-Cr is about one order of magnitude lower than in pure Fe for the same dose [2–6]. Even in the absence of irradiation, the Fe-Cr system exhibits a number of ...sp.info α′ formation kinetics and radiation induced segregation in ...Jun 06, 2019 · For instance, Pareige et al. 31 have reported that while α′ formation occurs in the case of neutron irradiation (with the dose rate of ~10 −7 dpa/sec), there is no α′ formation in the case ...

Prediction of yield stress in highly irradiated ferritic ...


Prediction of yield stress in highly irradiated ferritic ...

Jan 29, 2008 · The design of any fusion power plant requires information on the irradiation hardening of low-activation ferritic/martensitic steels beyond the range of most present measurements. Neural networks have been used by Kemp et al (J. Nucl. Mater. 348 311–28) to model the yield stress of some 1811 irradiated alloys. The same dataset has been used ...sp.info (PDF) Microstructures of Irradiated and Mechanically ...Figure 4 compares the dose dependence of visible defect cluster density measured by TEM in neutron-irradiated copper and nickel for irradiation temperatures near room temperature [18,20]. These irradiation temperatures are below the temperature where vacancy-type defect clusters become thermally unstable in Cu and nickel, also known as the ...sp.info Dislocation Density-Based Constitutive Model for the ...Apr 10, 2003 · Critical embrittling effects, e.g. increases in the ductile-to-brittle-transition-temperature, are associated with irradiation-induced increases in yield strength. In addition, fatigue-life and loading-rate effects on fracture can be related to the post-irradiation strain-hardening behavior of the steels.sp.info Publications | Materials Modeling and Development Group ...X.X. Hu, D.H. Xu, T.S. Byun, B.D. Wirth, 'Modeling of irradiation hardening of iron after low dose and low temperature neutron irradiation', Modelling and Simulation in …

Harte, A., Babu, R. P., Hirst, C. A. , Martin, T. L ...


Harte, A., Babu, R. P., Hirst, C. A. , Martin, T. L ...

properties such as irradiation-induced hardening [31,32]. As an analogue to neutron irradiation, we aim to assess the irradiation-induced precipitation in Zircaloy-2 after exposure to low dose proton irradiation. We observe nanoprecipitation in the matrix and use high resolution correlative techniques for their characterisation.

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