# Fileset

[FeCrAl_3DAP_0.3dpa_20240628c_unmarked_圧縮.pdf](https://mdr.nims.go.jp/filesets/4d5d93fc-f6ab-43c6-93df-481c651dcc4d/download)

## Creator

Y. Abe, [T.T. Sasaki](https://orcid.org/0000-0002-5952-7638), S. Yamashita, N. Okubo, S. Ukai

## Rights

[Creative Commons BY-NC-ND Attribution-NonCommercial-NoDerivs 4.0 International](https://creativecommons.org/licenses/by-nc-nd/4.0/)

## Other metadata

[Systematic experimental and model-based evaluation of the synergistic effects of alloy composition and damage rate on the formation of Cr-rich precipitates in Fe–Cr–Al alloys under ion irradiation](https://mdr.nims.go.jp/datasets/c91ef8f1-535c-468a-9cdf-fc970a5cc7f9)

## Fulltext

350◦8 × 10−6 8 × 10−5 8 × 10−4α′α ◦> 1110−7 10−6◦6× 3×18µ−25◦µ3+◦µ8× 10−6 8× 10−5 8× 10−48× 10−5350◦ ± 10◦3+µµ27 + 54 2+ 54 2+54 + 54 +dmaxNminNCrRPNCrRP =nCrRPV≃nCrRPρQntotatom,nCrRPV ρ−3 α QntotatomRCrRPRCrRP =3√3nCrRPatom4πρQ,nCrRPatomfCrRPfCrRP =∑nCrRPatomntotatom,8 × 10−4NCrRPRCrRP fCrRPCCrRPCrρpρ = 0.54∗∗ρ = −0.34ρ = −0.24 ρ = −0.28ρ = −0.3ρ ≥ 0.8∗∗∗yi = β0+β1xi1+β2xi2+β3xi3+β12xi1xi2+β23xi2xi3+β31xi3xi1+β123xi1xi2xi3+ǫi,yi ixi1 xi2 xi3 ixi1xi2 xi2xi3xi3xi1 xi1xi2xi3 βǫip > 0.07R2adj = 0.89 p < 10−12+0.48∗∗∗−0.34∗∗∗ −0.35∗∗∗100× 1008 × 10−610−5300◦ 390◦ 475◦ 500◦◦◦ ◦◦α′α′α′éα′◦α′α′α′α′α′475◦α′α′Lx×Ly×LzNtotLxLyLzNtot106NCrRP1023−3RCrRPfCrRPCCrRPCr8×10−610.70.010.28.912.90.012.28.012.210.616.00.015.46.614.714.218.20.017.95.717.014.321.80.020.214.238.80.08×10−510.70.010.28.912.90.012.28.012.210.616.00.015.46.614.714.218.20.017.95.717.014.321.80.020.214.238.80.08×10−410.70.010.28.912.90.012.28.012.210.616.00.015.46.614.714.218.20.017.95.717.014.321.80.020.214.238.80.0Sample holder102030400 5 10 15Al composition (at.%)Cr composition (at.%)Data pointNeutron irradiationThis study3+10Cr−5Al12Cr−6Al15Cr−4Al15Cr−8Al17.5Cr−3Al12Cr−6Al15Cr−4Al17.5Cr−3Al17.5Cr−8Al21Cr−8Al12Cr−6Al15Cr−4Al15Cr−8Al17.5Cr−3Al15Cr−4Al17.5Cr−3Al0510150 5 10 15Nominal Al composition (at.%)Identified Al matrix composition (at.%)Dose rate (dpa/s) 8 × 10−68 × 10−58 × 10−4(a) Before correction10Cr−5Al12Cr−4.5Al12Cr−6Al15Cr−4Al17.5Cr−3Al40Cr10Cr−5Al 12Cr−6Al15Cr−4Al17.5Cr−3Al17.5Cr−8Al10Cr−5Al12Cr−4.5Al12Cr−6Al15Cr−4Al17.5Cr−3Al12Cr15Cr−4Al17.5Cr−3Al0510150 5 10 15Nominal Al composition (at.%)Corrected Al matrix composition (at.%)Dose rate (dpa/s) 8 × 10−68 × 10−58 × 10−4(b) After correcion(c) 8×10     dpa/s(b) 8×10     dpa/s(a) 8×10     dpa/s－6－5－4(d) thermal aging20 nm8×10−68×10−58×10−48×10−5xy8×10−6NCrRP RCrRP fCrRPCCrRPCr ×350◦10−3ρpp < 0.10p < 0.05 p < 0.01 p < 0.001100× 1000Al (at.%) 6–10Al (at.%) 10–16Al (at.%)1 10 100 1 10 100 1 10 1001022102310241025Dose (dpa)NCrRP (m−3)vs. dose(a) CrRP number density, NCrRP0Al (at.%) 6–10Al (at.%) 10–16Al (at.%)1 100 10000 1 100 10000 1 100 100001022102310241025Irradiation time (h)vs. irradiation time0Al (at.%) 6–10Al (at.%) 10–16Al (at.%)1 10 100 1 10 100 1 10 1001234Dose (dpa)RCrRP (nm)vs. dose(b) CrRP radius, RCrRP0Al (at.%) 6–10Al (at.%) 10–16Al (at.%)1 100 10000 1 100 10000 1 100 100001234Irradiation time (h)vs. irradiation time0Al (at.%) 6–10Al (at.%) 10–16Al (at.%)1 10 100 1 10 100 1 10 1000.02.55.07.510.0Dose (dpa)fCrRP (vol.%)vs. dose(c) CrRP volume fraction, fCrRP0Al (at.%) 6–10Al (at.%) 10–16Al (at.%)1 100 10000 1 100 10000 1 100 100000.02.55.07.510.0Irradiation time (h)vs. irradiation time0Al (at.%) 6–10Al (at.%) 10–16Al (at.%)1 10 100 1 10 100 1 10 100406080Dose (dpa)CCrCrRP (at.%)10−610−510−410−3Dose rate (dpa/s)vs. dose(d) Cr composition in CrRP, CCrCrRP0Al (at.%) 6–10Al (at.%) 10–16Al (at.%)1 100 10000 1 100 10000 1 100 10000406080Irradiation time (h)Cr matrix composition (at.%) 10 15 20vs. irradiation time350◦300◦350◦300◦390◦450◦475◦500◦