Boron Nitride Particle Size determination
Boron Nitride Particle Size determination
(OP)
Hello
I have cBN in a high viscous polymer. I am looking for a method to measure the particle size of the BN. I have planned to mill the mixture in a roll mill for BN size reduction. I would like to know a best/quick method to determine the BN particle size. Any addtional inputs are welcome...
thanks
I have cBN in a high viscous polymer. I am looking for a method to measure the particle size of the BN. I have planned to mill the mixture in a roll mill for BN size reduction. I would like to know a best/quick method to determine the BN particle size. Any addtional inputs are welcome...
thanks





RE: Boron Nitride Particle Size determination
There are sieves used for quantifying powder sizes.
Or for truly accurate measurements, you could take some of the particles and view them under a microscope (optical stereomicroscope or Scanning Electron Microscope).
Regards,
Cory
Please see FAQ731-376 for tips on how to make the best use of Eng-Tips Fora.
RE: Boron Nitride Particle Size determination
Good luck.
RE: Boron Nitride Particle Size determination
You can calculate if you lost material through the sieve by calcs from weight of retained filtrate vs weight expected from the SG of the original compound.
If the particle is so small that you lose filler through the sieve, you will then need the more sophisticated methods.
Regards
eng-tips, by professional engineers for professional engineers
Please see FAQ731-376 for tips on how to make the best use of Eng-Tips Fora.
RE: Boron Nitride Particle Size determination
http://www.precisiongage-tool.com/GrndGage.pdf
RE: Boron Nitride Particle Size determination
Regards
eng-tips, by professional engineers for professional engineers
Please see FAQ731-376 for tips on how to make the best use of Eng-Tips Fora.
RE: Boron Nitride Particle Size determination
1. Cubic BN in high viscous theroplastic polymer solution (Dissolved in solvent)
2. I'm little concerned with the hegman gage,the orientation of the particles will have an effect to give wrong results.
Any other methods...
Thanks
RE: Boron Nitride Particle Size determination
RE: Boron Nitride Particle Size determination
RE: Boron Nitride Particle Size determination
There are several different types of particle counters on the market and many labs that can perform the analysis for you.
http:/