2011
DOI: 10.1016/j.jeurceramsoc.2011.01.002
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Microstructural changes induced by low energy heavy ion irradiation in titanium silicon carbide

Abstract: Low energy ion irradiation was used to investigate the microstructural modifications induced in Ti 3 SiC 2 by nuclear collisions. Characterization of the microstructure of the pristine sample by electron back-scatter diffraction (EBSD) shows a strong texturing of TiSi 2 , which is a common secondary phase present in Ti 3 SiC 2 . A methodology based on atomic force microscopy (AFM) was developed to measure the volume swelling induced by ion irradiation, and it was validated on irradiated silicon carbide. The sw… Show more

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Cited by 51 publications
(60 citation statements)
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“…It narrows when further increasing the temperature. These results suggest that the recovery of the MAX phase structure is almost total at 800 • C, in good agreement with recent work on Ti 3 Si 1−x Al x C 2 [7] and Ti 3 SiC 2 [10]. The lattice parameter after recovery (c r =18.50Å) is closer to the theoretical value for a powder (c t =18.501Å) [68] than the value at the initial state (c i =18.56Å).…”
Section: Post-irradiation Annealingsupporting
confidence: 92%
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“…It narrows when further increasing the temperature. These results suggest that the recovery of the MAX phase structure is almost total at 800 • C, in good agreement with recent work on Ti 3 Si 1−x Al x C 2 [7] and Ti 3 SiC 2 [10]. The lattice parameter after recovery (c r =18.50Å) is closer to the theoretical value for a powder (c t =18.501Å) [68] than the value at the initial state (c i =18.56Å).…”
Section: Post-irradiation Annealingsupporting
confidence: 92%
“…There are only few studies about the behavior of MAX phases under ion irradiation, almost exclusively focused on Ti 3 AC 2 (A = Si, Si 1−x Al x , Al) [7,8,9,10,11,12,13,14,15], in addition to (Ti 0.95 Zr 0.05 ) 3 SiC 2 [16] and (Ti,Al)N/Ti 2 AlN x multilayers [17]. They highlight a strong tolerance to damage induced by ion irradiation and a retained crystalline structure, to the exception of Cr 2 AlC and Cr 2 GeC, which amorphize at moderate fluence (10 13 -10 14 Xe.cm −2 ) [18].…”
Section: Introductionmentioning
confidence: 99%
“…No hill is evidenced by AFM for these two irradiation conditions. Note that the grain boundary revealing (Figure 8a) is due to an anisotropic swelling induced by the nuclear collisions [30]. ( Figure 9) confirm the absence of hills noticed by AFM (Figure 8).…”
Section: Effect Of Ion Fluence On the Hill Formationsupporting
confidence: 74%
“…The measure of the microstrain yield was conducted by evaluating the broadening of the (1 0 4) peak of Ti 3 SiC 2 (the most intense isolated peak), and by considering that the crystallite size is large enough not to induce broadening; this consideration is motivated by observations made by Electron Back-Scatter Diffraction (EBSD), which allowed us to highlight a crystallite size greater than 1 lm [29].…”
Section: Characterization Techniquesmentioning
confidence: 99%
“…In particular, the plasticity of Ti 3 SiC 2 at room temperature may be explained by its nanolamellar structure, which confers to Ti 3 SiC 2 material a propensity to delaminate under the effect of mechanical stress [22][23][24]. However, if the behavior of this material has already been studied under various conditions more or less extreme [20,21,[25][26][27][28], except few articles related to Ti 3 SiC 2 that were recently published [29][30][31][32], and others related to Ti 3 (Si,Al)C 2 [33][34][35][36], no study has been conducted on the irradiation behavior of Ti 3 SiC 2 .…”
Section: Introductionmentioning
confidence: 99%