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Article | REF: M2360 V2

Zirconium and hafnium metallurgy

Author: Pierre BARBERIS

Publication date: February 10, 2016, Review date: December 14, 2021

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8. Safety measures

Please refer to supplier data and to [M 580] . Powders, fine chips and sawdust or grinding residues present significant ignition and explosion risks. . Ignition with very low energy input (shock, spark, etc.) in air or oxygen is a direct function of the size and particle size distribution of the powder and its specific surface area: for example, powder with a diameter of 10 µm (or more generally < 100 µm) ignites very easily and can explode spontaneously if dispersed in air. Dry, coarse powder (0.1 to 1.5 mm in diameter), sponge fines and fine shavings (smaller than 1.5 mm) can ignite on contact...

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