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. 2019 Aug 23;5(8):eaaw2398. doi: 10.1126/sciadv.aaw2398

Fig. 3. Nanoparticle-enabled grain refinement in other materials systems.

Fig. 3

(A and B) FIB images of Al-10vol%TiB2 cast by furnace cooling (0.7 K/s) showing the distribution of TiB2 nanoparticles and ultrafine Al grains. (C) TEM image of Al-10vol%TiB2 (0.7 K/s) showing one ultrafine Al grain surrounded by TiB2 nanoparticles. (D) Al grain size distribution of Al-10vol%TiB2 (0.7 K/s). (E and F) SEM image of Zn-5vol%WC by air cooling (3.7 K/s). (G) FIB image of Zn-5vol%WC (3.7 K/s). (H) Zn grain size distribution of Zn-5vol%WC (3.7 K/s).