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SUMMARY:Design of an electronic circuit for controlling magneto-rheologica
 l fluids in shock absorbers-Angadjit Singh  - Angadjit Singh 
DTSTART:20121108T143000Z
DTEND:20121108T160000Z
UID:TALK41215@talks.cam.ac.uk
CONTACT:Kimberly Cole
DESCRIPTION:I will be giving a talk on Magneto-Rheological fluids (MR) and
  their applications. MR fluids were first invented in 1940 but have starte
 d gaining increased interest recently. Smart fluids such as MR fluids have
  lately been used in the automotive industry e.g. as shock absorbers and i
 n seismic dampers in earthquake prone areas. Audi also recently introduced
  their version of a shock absorber in their 2'nd generation Audi TT cars. 
 I will be presenting how these smart fluids are fabricated in the laborato
 ry and talk about their structural and magnetic properties as measured usi
 ng Electron microscopy (SEM\, TEM) and VSM magnetometry. MR fluids are dis
 persions of fine magnetically soft\, multi-domain particles. On applying a
 n external magnetic field on the fluid\, properties such as the 'Yield str
 ess' can change in milliseconds. This rapid change in behavior of the flui
 d can be exploited using an electronic feedback circuit mechanism\, which 
 I have built and will be discussing in detail along with many other auxili
 ary experiments. 
LOCATION:Mott Seminar Room\, Cavendish Laboratory
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