Acoustic Emission - Доклад по прочим предметам

 

Тезисы:

  • First works by acoustic emission method appeared in 70s.
  • Sources of an acoustic emission are divided into internal and external.
  • For example, acoustic emission caused by friction, blow, turbulent fluid and gas streams.
  • Analysis of all parameters allows to make judgement, regarding damage dynamics of material.
  • It is used effectively for undamaging control while testing and using articles.
  • It is physical nature causes expanding fields of application for the method in technology.
  • First ones are sources located on object’s surface.
  • For example, acts of plastic deformation, micro- and macro destruction and phase transformation.
  • Moscow State Technical University named after Bauman.
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