Table 1 Summary of different length and time scales in this study

From: In-operando high-speed microscopy and thermometry of reaction propagation and sintering in a nanocomposite

Length scale of flame propagation

Length scale of sintering

Time scale of sintering

Propagation rate

Flame front thickness: ~30 µm

Sintering zone: ~30 µm

Sintering time: ~170 µs

Spatial propagation rate of reactive sintering: ~50 cm s−1

Cooling zone: ~60 µm

Sintered size: ~20 µm

Cooling time: ~265 µs

Burning rate of the macro film: ~3.3 cm s−1

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