Avoiding False Positive Asbestos Analysis in Polymer Matrix Composite Brake Linings

Paper #:
  • 2013-01-0493

Published:
  • 2013-04-08
DOI:
  • 10.4271/2013-01-0493
Citation:
Hinrichs, R. and Vasconcellos, M., "Avoiding False Positive Asbestos Analysis in Polymer Matrix Composite Brake Linings," SAE Technical Paper 2013-01-0493, 2013, doi:10.4271/2013-01-0493.
Pages:
6
Abstract:
Asbestos has been banned in many countries as industrial material, however the utilization of those fibers in brake linings results in friction properties that are so convenient, that linings containing them are still commercially available. To replace asbestos a large number of mineral phases is utilized in the formulation of polymer based friction material, and it is sometimes difficult to establish if they are present or not in finished brake pads and linings. Several clay minerals have been mistaken for asbestos because they present X-ray diffraction peaks that overlap with the diagnostic asbestos peak. A method to distinguish between the presence of regulated fiber minerals and allowed clay minerals in brake linings is presented using X-ray diffraction in association with a thermal treatment.
Access
Now
SAE MOBILUS Subscriber? You may already have access.
Buy
Select
Price
List
Download
$27.00
Mail
$27.00
Members save up to 40% off list price.
Share
HTML for Linking to Page
Page URL

Related Items

Training / Education
2013-04-09
Training / Education
2011-04-09
Training / Education
2013-04-09
Technical Paper / Journal Article
2010-04-12
Technical Paper / Journal Article
2011-04-12