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SUMMARY:Can we design fatigue-resistant alloys? - Mick Brown\, Cavendish L
 aboratory
DTSTART:20250508T140000Z
DTEND:20250508T150000Z
UID:TALK228427@talks.cam.ac.uk
CONTACT:Stephen Walley
DESCRIPTION:Better understanding of the origin and behaviour of fatigue cr
 acks should lead to improved engineering design and alloying strategies fo
 r structural metals. The surface stresses caused by persistent slip bands\
 , including a zone of infinite tensile stress at the edge of each band\, s
 eem an inevitable consequence of elastic non-linearity and hard to combat\
 , except perhaps by the present expensive methods of shot-peening or surfa
 ce removal.  But the underlying process of jog movement to eliminate screw
  dislocation dipoles should be susceptible to control.  It is important to
  understand better the main engineering problem: is design against persist
 ent slip the metallurgist's answer to crack-proof rotating machinery?
LOCATION:Seminar Room West\, Room A0.015\, Ray Dolby Centre\, Cavendish La
 boratory
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