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Chinese Journal of Mechanical Engineering

Table 3 Properties of Al2O3 nanoparticles

From: Tribological Performance of Different Concentrations of Al2O3 Nanofluids on Minimum Quantity Lubrication Milling

Properties

Value

Particle shape

Sphere

Purity (%)

99.9

Average particle size (nm)

70

Apparent density (g/cm3)

0.33

Specific surface area (m2/g)

30.21

Thermal conductivity (W/m·K)

36

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