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Grain size distribution vs. area fraction obtained from SEM-EBSD analyses of cookware heated at 250 °C for 2 h produced by different suppliers: (a) PTFE Manuf-1; (b) Granite Manuf-4; (c)PTFE Manuf-2; (d) Granite Manuf-5; (e) PTFE Manuf-3; (f) Granite Manuf-6.
