CHARACTERIZATION OF NANOPARTICLES EMITTED DURING DRY CUTTING

Abstract

In spite of the multiple advantages ofnanomaterials, metallic particles emitted duringmanufacturing or handling of these materials can behazardous. Nanoparticles can be produced not only bynanotechnologies but also indirectly by other manufacturingprocesses used to shape nanomaterials or conventionalindustrials materials. These particles should be controlled inorder to protect health operator. Toxicologists are waitingfor data on nanoparticles emission from manufacturers toassess the impact of these particles on occupational healthand safety. Therefore, it is necessary to characterize fine andultrafine particles manufacturing processes. This paperinvestigates the size and shape distribution of nanoparticlesand the conditions that can limit their production duringmetal cutting processes. The equipments used include theMOUDI, the Scanning Mobility Particle Sizer Spectrometer(SMPS) and the Scanning electron microscope (SEM). Themetric used for evaluation includes the number, the particlemass, the concentration and the specific surface.Index Terms ⎯ Dry machining, aluminum alloy,Nanoparticle characterization, environment.