Often we encounter metal powders both in a life, and in industrial activity.
Usually we deal with powders which have sizes of particles tens or hundreds micron. Basically powders with particles in size more than 10 microns are used even in powder metallurgy. A human eye can see a point in 20 micron. The powders can have absolutely new characteristics.
Particles which have size from 1 to 100 nano meters usually identify like «nanoparticles».
The area of nano… Continue
Added by Julia Dvoretskaya on March 4, 2010 at 12:30pm —